State Trunkline Highway System

M-12 marker

M-7 marker

M-76 marker

M-28 marker

Highway markers from different years for former M-12 (1919), former M-7 (1926), former M-76 (1948), and current M-28
System information
Maintained by MDOT
Length5,976.147 mi[1] (9,617.676 km)
Plus 14.775 mi [1] (23.778 km) of special routes and 24.079 mi [1] (38.751 km) of unsigned connectors
FormedMay 13, 1913,[2] signed by July 1, 1919[3]
Highway names
StateM-nn
Special Routes:
  • Alternate M-nn (Alt. M-nn or M-nnA)
  • Business M-nn (Bus. M-nn)
  • Bypass M-nn (Byp. M-nn)
  • Connector M-nn (Conn. M-nn)
  • Truck M-nn (Truck M-nn)
System links

The state trunkline highways in the US state of Michigan are the segments of the State Trunkline Highway System maintained by the Michigan Department of Transportation and numbered with the "M-" prefix officially.

Mainline highways

Number Length (mi)[1] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
M-1 21.48834.582 Adams Avenue in DetroitBL I-75/Bus. US 24 in Pontiac 01970-01-011970[4]current Woodward Avenue
M-2 Never assigned May have been assigned to service drives along I-96 in Livonia, but not marked on official state maps as such
M-3 7.80712.564 US 25 in DetroitUS 16 in Detroit 01937-01-011937[5]01939-01-011939[6] Became M-39 (now Schaefer Highway)
M-3 26.68542.945 Randolph & Broadway streets in DetroitI-94 and M-29 in Chesterfield Township 01973-01-011973[7]current Gratiot Avenue
M-4 St. IgnaceDeTour Village 01936-01-011936[8]01939-01-011939[9] Became M-39, now M-134
M-4 4.6877.543 SouthfieldWest Bloomfield Township 01979-01-011979[10]01986-01-011986[11] Northwestern Highway; now part of M-10
M-5 CedarvilleSault Ste. Marie 01933-01-011933[12]01939-01-011939[13] Became M-129
M-5 27.89044.885 Pontiac Trail in Commerce TownshipCass Avenue in Detroit[14] 01977-01-011977[15]current Grand River Avenue
M-6 PhoenixEagle River 01926-01-011926[16]01938-01-011938[17] Became M-111 (now part of M-26)
M-6 I-96 in NoviI-94 in Roseville 01970-01-14197001979-01-011979[18] Signed along the service drives for the eastern section of I-696[19]
M-6 19.69631.698 I-196 near HudsonvilleI-96 near Cascade 02001-01-012001[20]current Paul B. Henry Freeway, South Beltline Freeway
M-7 34.05954.813 Three RiversColdwater 01927-01-011927[21]01940-01-011940[22] Replaced by M-86
M-8 5.4918.837 I-96 in DetroitConant Avenue near Hamtramck 01993-01-011993[23]current Davison Freeway; built in the 1940s as the first urban, depressed freeway in the world
M-9 PhoenixEagle Harbor 01927-01-01192701929-01-011929 Replaced by M-64 (became M-129, later became part of M-26; now a local road)
M-9 Ohio state lineLansing 01929-01-011929[24]01940-01-011940[25] Replaced by M-99
M-10 Ohio state line south of ErieMackinaw City 01919-01-011919[26]01926-01-011926[27] Replaced by US 24, US 112, US 10, and US 23
M-10 US 10 in FlintUS 10 in Flint 01928-01-011928[24]01942-01-011942[28] Replaced by Bus. US 10
M-10 22.88136.823 M-3 & BS I-375 in DetroitOrchard Lake Road in West Bloomfield 01986-01-011986current John C. Lodge Freeway, Northwestern Highway
M-11 Indiana state line in Grand BeachMackinaw City 01919-01-011919[26]01926-01-011926[27] Replaced by US 12 and US 31
M-11 NapoleonSaline 01926-01-011926[16]01954-01-011954[29] Manchester to Saline became part of an extension of M-92 (now M-52); rest given to local control
M-11 20.84033.539 I-96 in MarneI-96 in Cascade 01961-01-011961[30]current
M-12 406.63654.41 IronwoodSault Ste. Marie 01919-01-011919[31]01926-01-011926[16] Replaced by US 2,[27] M-69 and what is now M-95
M-13 Fife LakePetoskey 01919-01-011919[26]01926-01-011926[16] Replaced by M-131 (now US 131)
M-13 BrockwayFort Gratiot 01927-01-011927[21]01931-01-011931[32] Replaced by M-136
M-13 73.339118.028 I-69 in LennonUS 23 in Standish 01932-01-01c.1932[33]current
M-14 Ohio State line near WaldronJackson 01919-01-011919[26]01931-01-011931[34] Replaced by US 127
M-14 Battle CreekEdmore 01931-01-011931[35]01942-01-011942[36] Replaced by a reroute of M-66
M-14 22.25035.808 I-94 near Ann ArborI-96/I-275 in Livonia 01956-01-011956[37]current
M-15 Wisconsin State line near MenomineeCopper Harbor 01919-01-011919[31]01926-01-011926[21] Replaced by US 41
M-15 73.664118.551 US 24 in ClarkstonM-25 in Bay City 01926-01-011926[21]current
M-16 MuskegonDetroit 01919-01-011919[26]01926-01-011926[16] Replaced by US 16
M-17 6.39010.284 US 23 and BL I-94 in Ann ArborUS 12 in Ypsilanti 01919-01-011919[26]current
M-18 77.530124.772 US 10 near North BradleyM-72 & F-97 near Luzerne 01919-01-011919[26]current
M-19 85.626137.802 I-94 near New HavenM-142 near Bad Axe 01919-01-011919[26]current
M-20 LudingtonBay City 01919-01-011919[26]01926-01-011926[16] Replaced by US 10
M-20 132.435213.133 US 31 in New EraUS 10 in Midland 01926-01-011926[16]current
M-21 99.322159.843 M-37/M-44 in Grand RapidsI-475 in Flint 01919-01-011919[26]current
M-22 116.651187.732 US 31 near ManisteeUS 31/M-37/M-72 in Traverse City 01919-01-011919[26]current Leelanau Scenic Heritage Route
M-23 01919-01-011919[26]01926-01-011926[27] Replaced by US 112, now US 12
M-24 MuskegonSaginaw 01919-01-011919[26]01926-01-011926[27] Replaced by M-20 and US 10 (one part now M-47)
M-24 75.691121.813 I-75 & BL I-75 in Auburn HillsM-25 in Unionville 01926-01-011926[21]current Extension of US 24
M-25 SkandiaSault Ste. Marie 01919-01-011919[31]01926-01-011926[21] Replaced by an extension of M-28
M-25 147.638237.600 BL I-69/BL I-94 in Port HuronI-75/US 23 & US 10 in Bay City 01933-01-011933[38]current Extension of US 25 (now decommissioned)
M-26 96.355155.068 US 45 in RocklandUS 41 in Copper Harbor 01919-01-011919[31]current
M-27 01919-01-011919[26]01926-01-011926[16] Replaced by M-29 (one part now M-25), M-51 (now M-136, Wildcat Road, M-90, and Old M-51), and M-83 (this section now M-142)
M-27 16.76326.977 I-75 near Indian RiverUS 23 and C-66 in Cheboygan 01961-01-011961[39]current Formerly part of US 27
M-28 290.373467.310 US 2 in WakefieldM-129 in Dafter Township 01919-01-011919[31]current Longest state trunkline excluding Interstate or US Highways
M-29 Indiana state line south of ColdwaterLansing 01919-01-011919[26]01926-01-011926[27] Replaced by US 27
M-29 41.63467.003 I-94 & M-3 in Chesterfield TownshipBL I-94 in Marysville 01926-01-011926[16]current
M-30 65.465105.356 US 10 in SanfordBL I-75/M-55 in West Branch 01919-01-011919[26]current
M-31 166.910268.616 M-21 in Port HuronM-20 in Bay City 01919-01-011919[26]01926-01-011926[16] Replaced by M-29 (this section now M-25) and M-83 (this section now M-142)
M-32 100.003160.939 M-66 in East JordanUS 23 in Alpena 01919-01-011919[26]current
M-33 121.858196.111 I-75 in AlgerM-27 near Cheboygan 01919-01-011919[26]current
M-34 28.93846.571 M-99 near OsseoBus. US 223 in Adrian 01919-01-011919[26]current
M-35 128.388206.620 US 41 in MenomineeUS 41/M-28 in Negaunee Township 01919-01-011919[31]current
M-36 M-21 in AtticaM-53 in Burnside 01919-01-011919[26]01930-01-011930[35]
M-36 43.29869.681 US 127 in MasonUS 23 in Whitmore Lake 01930-01-011930[35]current
M-37 221.892357.101 I-94 & BL I-94 in Battle CreekCul-de-sac at Old Mission Point 01919-01-011919[26]current
M-38 US 23 in BridgeportM-53 in Marlette 01919-01-011919[26]01961-01-011961[40]
M-38 42.22567.955 US 45 & M-64 in OntonagonUS 41 in Baraga 01968-01-011968[41]current Formerly part of M-35
M-39 WoodburyLansing 01919-01-011919[26]01937-01-011937[42] Became an extension of M-43
M-39 7.80712.564 US 25 in DetroitUS 16 in Detroit 01939-01-011939[43]01959-01-011959[44]
M-39 17.00627.369 Lafayette Boulevard in Lincoln ParkM-10 in Southfield 01959-01-011959[44]current Southfield Freeway, Southfield Highway; roadway continues as Southfield Road at northern end
M-40 74.266119.520 UnionHolland 01919-01-011919[26]current
M-41 38.161.3 M-24 in HoltonM-11 in Hart 01919-01-011919[26]01926-01-011926[16] Replaced in part by M-20, now M-120
M-42 10.33916.639 Bus. US 131 in MantonM-66 near Lake City 01919-01-011919[26]current
M-43 136.723220.034 BL I-196 in South HavenI-96 in Webberville 01919-01-011919[26]current
M-44 37.46360.291 M-11 and M-37 in KentwoodM-66 near Ionia 01919-01-011919[26]current
M-45 Wisconsin border south of KingsfordHumboldt Township 01919-01-011919[31]01934-01-011934[45] Renumbered to M-95 because of designation of US 45 in Michigan
M-45 24.43439.323 US 31 in AgnewI-196 in Grand Rapids 01964-01-011964[46]current Lake Michigan Drive
M-46 199.190320.565 Muskegon Avenue in MuskegonM-25 in Port Sanilac 01919-01-011919[26]current Trans-peninsular highway
M-47 14.32823.059 M-46 near ShieldsUS 10 near Midland 01919-01-011919[26]current
M-48 43.72370.365 I-75 in RudyardM-134 in DeTour Village 01919-01-011919[26]current
M-49 US 127 in MasonUS 23 in Whitmore Lake 01919-01-011919[26]01930-01-011930[35] Replaced by M-36
M-49 25.48041.006 SR 49 near Columbia, OHM-99 in Litchfield 01930-01-011930[35]current
M-50 138.072222.205 I-96 near LowellUS 24 in Monroe 01919-01-011919[26]current
M-51 HollandGrand Rapids 01919-01-011919[26]01926-01-011926[16] Replaced by an extension of M-21 (this section now M-121)
M-51 M-46 in CarsonvilleM-142 in Harbor Beach 01926-01-011926[16]01965-01-011965[47]
M-51 40.40565.026 SR 933 at Indiana state line near South Bend, INI-94 near Paw Paw 01971-01-011971[48]current
M-52 127.300204.869 SR 109 at Ohio state lineM-46 near Saginaw 01919-01-011919[26]current
M-53 120.980194.698 M-3 in DetroitM-25 in Port Austin 01919-01-011919[26]current
M-54 Grand RapidsBaldwin 01919-01-011919[26]01926-01-011926[21] Transferred to an extension of M-37
M-54 1.2702.044 WIS 77 at IronwoodUS 2 in Ironwood 01934-01-011934[49]01942-01-011942[50] transferred to Business US 2
M-54 30.27648.724 I-75 in Grand BlancI-75/US 23 in Birch Run 01962-01-011962[51]current
M-55 150.944242.921 US 31 in ManisteeUS 23 in Tawas City 01919-01-011919[26]current Trans-peninsular highway
M-56 16.42626.435 US 24 in MonroeUS 24/US 25 near Flat Rock 01919-01-011919[26]01957-01-011957[52]
M-56 12.72620.481 M-13 & M-21 near LennonI-69/M-21 in Flint 01971-01-011971[53]01984-01-011984[54] Replaced by M-21
M-57 16.42626.435 Boyne FallsClarion 01919-01-011919[26]01926-01-011926[16] Replaced by M-75
M-57 1.1321.822 WIS 57 in Breitung TownshipUS 2 in Quinnesec 01927-01-011927[21]01928-01-011928[55] Transferred to an extension of US 141
M-57 105.377169.588 US 131 near RockfordM-15 near Otisville 01930-01-011930[35]current
M-58 Indiana state line south of NilesSt. Joseph 01919-01-011919[26]01926-01-011926[27] Replaced by US 31
M-58 US 10 in PontiacUS 10 in Pontiac 01930-01-011930[56]01961-01-011961[57] Replaced by reroute of US 10 (now US 24 and Business US 24)
M-58 5.1088.221 M-47 near ShieldsI-675 in Saginaw 01971-01-011971[58]current
M-59 60.51497.388 I-96 near HowellI-94 near Mount Clemens 01919-01-011919[26]current
M-60 104.224167.732 US 12 near NilesI-94 & BL I-94 near Jackson 01919-01-011919[26]current
M-61 62.276100.224 M-115 near MarionUS 23 in Standish 01919-01-011919[26]current
M-62 28.32945.591 SR 23 near Granger, INM-140 near Eau Claire 01924-01-01c.1924[59]current
M-63 US 131 in Le RoyM-37 west of Luther 01919-01-011919[26]01961-01-011961[60]
M-63 16.14125.976 M-139 near ScottdaleI-196/US 31 near Lake Michigan Beach 01986-01-011986[61]current Formerly part of US 33
M-64 Ohio State LineLansing 01919-01-011919[26]01929-01-011929[24] Replaced by M-9 (now M-99)
M-64 PhoenixEagle Harbor 01929-01-011929[24]01930-01-011930[35] Replaced by M-129 (later became part of M-26; now a local road)
M-64 63.765102.620 CTH-B near Presque Isle, WIUS 45 & M-38 in Ontonagon 01930-01-011930[35]current
M-65 Ohio State LineFlint 01919-01-011919[26]01926-01-011926[27] Replaced by US 23
M-65 103.176166.046 US 23 near OmerUS 23 near Rogers City 01930-01-011930[35]current
M-66 266.399428.728 SR 9 near SturgisUS 31 in Charlevoix 01919-01-011919[26]current
M-67 12.04419.383 US 41 in TrenaryM-94 in Chatham 01919-01-011919[31]current
M-68 14.23522.909 M-26 in RocklandOntonagon 01919-01-011919[31]01927-01-011927[21] Replaced by M-35 (this section now part of US 45)
M-68 53.39085.923 US 31 in AlansonBus. US 23 in Rogers City 01936-01-011936[62]current
M-69 55.28088.965 WIS 69 at Wisconsin state lineM-28 in Covington 01919-01-011919[31]01926-01-011926[27] Replaced by US 2 and US 102 (now part of US 141)
M-69 65.260105.026 US 2/US 141 in Crystal FallsUS 2/US 41 near Bark River 01926-01-011926[27]current
M-70 22.135.6 M-76 near SterlingM-55 near Prescott 01919-01-011919[26]01960-01-011960[63]
M-71 10.53016.946 M-21 in OwossoI-69 in Durand 01919-01-011919[26]current
M-72 156.552251.946 M-22 in EmpireUS 23 in Harrisville 01919-01-011919[26]current Trans-peninsular highway
M-73 8.17113.150 STH-55 near Iron RiverUS 2 near Iron River 01919-01-011919[31]current
M-74 18.429.6 M-66 near PioneerM-55 near Merritt 01919-01-011919[26]01939-01-011939[64]
M-75 2.7934.495 Wisconsin state line in Breitung TownshipM-12 in Iron Mountain 01919-01-01191901926-01-011926 Replaced by an extension of M-45 (now M-95)
M-75 11.76818.939 US 131 in Boyne FallsUS 131 in Walloon Lake 01927-01-011927[21]current
M-76 61.18798.471 US 23 in StandishUS 27 near Grayling 01919-01-011919[26]01973-01-011973[65] Replaced by I-75
M-77 42.60268.561 US 2 in Blaney ParkH-58 in Grand Marais 01919-01-011919[31]current
M-78 10.74417.291 M-66 near Battle CreekI-69 near Olivet 01919-01-011919[26]current
M-79 24.89040.057 M-37 near HastingsBL I-69/M-50 in Charlotte 01919-01-011919[26]current
M-80 AdrianSomerset 01919-01-011919[26]01926-01-011926[27] Replaced by US 127 (now US 223)
M-80 M-18 in BeavertonM-30 in Billings 01927-01-011927[16]01939-01-011939[66]
M-80 7.91712.741 I-75 & H-63 near KinrossM-129 near Kincheloe 01994-01-011994[67]current
M-81 45.63673.444 M-13 in SaginawM-53 near Cass City 01919-01-011919[26]current
M-82 M-25 near NewberryEight Mile Corner 01919-01-011919[31]01926-01-011926[16] Replaced by M-48
M-82 31.49250.681 M-120 near FremontUS 131 near Howard City 01926-01-011926[16]current
M-83 MohawkGay 01919-01-011919[31]01926-01-011926[16]
M-83 Harbor Beach 01926-01-011926[24]01939-01-011939[68] Renumbered M-142
M-83 14.67223.612 I-75/US 23 in Birch RunM-15 near Richville 01929-01-011929[24]current
M-84 GarnetMcLeods Corner southeast of Newberry 01919-01-011919[31]01926-01-011926[16] Replaced by M-48
M-84 M-81 near ReeseM-29 in Unionville 01926-01-011926[16]01930-01-011930[69] Replaced by M-83
M-84 14.71023.673 M-58 in SaginawM-25 in Bay City 01960-01-011960[70]current
M-85 M-66 (now M-91)Stanton 01919-01-011919[26]01930-01-011930[35] Replaced by M-57
M-85 MayvilleCaro 01930-01-011930[35]01941-01-011941[71] Replaced by M-24
M-85 21.88235.216 I-75 near RockwoodGriswold Street in Detroit 01956-01-011956[72]current Fort Street
M-86 Six LakesRemus 01921-01-011921[73]01924-01-011924[59] Replaced by M-66
M-86 OrleansWoods Corners 01924-01-011924[59]01929-01-011929[24] Replaced by M-44
M-86 34.05954.813 Bus. US 131/M-60 in Three RiversUS 12 near Coldwater 01940-01-011940[22]current Replaced M-7
M-87 11.56418.610 Bus. US 23 in FentonUS 10 in Holly 01919-01-011919[26]01960-01-011960[74]
M-88 26.21542.189 US 31 in EastportUS 131 & C-38 in Mancelona 01919-01-011919[26]current
M-89 61.15398.416 I-196/US 31 near GangesBL I-94 in Battle Creek 01919-01-011919[26]current
M-90 16.55326.639 M-45 near SagolaFoster City 01919-01-011919[31]01927-01-011927[21] Replaced by M-69
M-90 44.17871.098 M-24 near North BranchM-25 in Lexington 01927-01-011927[21]current
M-91 M-15 in MemomineeCedar River 01919-01-011919[31]01927-01-011927[21] Replaced by M-35
M-91 US 23 in Rogers CityCR 646 near Huron Beach 01927-01-011927[21]01940-01-011940[75] Replaced by US 23
M-91 24.46439.371 M-44 near BeldingM-46 in Lakeview 01942-01-011942[76]current
M-92 36.63958.965 SR 109 near ClintonUS 12 in Stockbridge 01919-01-011919[26]01962-01-011962[77] Replaced by M-52
M-93 11.81019.006 Camp GraylingHartwick Pines State Park 01919-01-011919[26]current
M-94 86.983139.986 M-553 near K.I. SawyerUS 2 in Manistique 01927-01-01c.1927[21]current
M-95 5.1478.283 M-68 in OnawayOnaway State Park 01919-01-011919[26]01934-01-011934[78] Replaced by M-211
M-95 55.16288.775 CTH-N at Aurora, WIUS 41/M-28 in Humboldt Township 01934-01-011934[45]current Leif Erickson Highway; replaced M-45
M-96 33.37953.718 BS I-94 in KalamazooBL I-94 in Marshall 01926-01-011926[16]current
M-97 17.16927.631 M-3 in DetroitM-59 near Mount Clemens 01929-01-011929[79]current
M-98 16.226.1 US 2 near GermfaskM-28 near McMillan 01919-01-011919[31]01960-01-011960[80] Now H-33 and H-44
M-99 US 31 in MuskegonHart 01919-01-011919[26]01929-01-011929[24]
M-99 US 2 in GulliverPort Inland 01931-01-011931[32]01939-01-011939[81]
M-99 86.058138.497 SR 15 near Pioneer, OHI-496 & Capitol Loop in Lansing 01940-01-011940[25]current Replaced M-9
M-100 12.46020.052 I-69 near PottervilleI-96 near Grand Ledge 01927-01-011927[21]current
M-101 1.221.96 MillersburgUS 23 near Millersburg
M-102 20.80433.481 M-5 on the LivoniaFarmington Hills city lineI-94 in Harper Woods 01928-01-01c.1928[55]current 8 Mile Road
M-103 SR 13 near Bristol, INUS 12 in White Pigeon 01932-01-011932[82]01960-01-01c.1960[83] Replaced by US 131
M-103 3.0554.917 SR 15 near Bristol, INUS 12 in Mottville 01960-01-01c.1960[83]current Replaced part of US 131
M-104 M-47 at PittsburgDeWitt 01927-01-011927[21]01939-01-011939[84]
M-104 7.67712.355 US 31 in FerrysburgI-96 near Nunica 01940-01-011940[85]current Replaced part of US 16
M-105 3.5485.710 M-53 near Bad AxeM-83 near Elkton 01928-01-011928[55]01939-01-011939[86]
M-106 27.04143.518 BL I-94/Bus. US 127/M-50 in JacksonM-36 near Gregory 01928-01-011928[55]current
M-107 9.57615.411 Lake of the CloudsM-64 in Silver City 01935-01-011935[87]02008-01-012008[88]
M-108 Three-legged highway in Mackinaw City 01928-01-011928[55]01957-01-011957[89] Connected the State Highway Ferry Docks with the Fort Michilimackinac State Historic Park and US 31
M-108 1.0691.720 I-75 near Mackinaw CityMichigan Welcome Center in Mackinaw City 01960-01-011960[90]02010-01-012010[91]
M-109 6.83110.993 M-22 near EmpireM-22 in Glen Arbor 01929-01-01c.1929[24]current Leelanau Scenic Heritage Route; runs through the Sleeping Bear Dunes National Lakeshore
M-110 1.7152.760 US 31 in ParkdaleOrchard Beach State Park 01927-01-011927[92]02003-01-012003[93]
M-111 Bay CityBay City State Park 01928-01-01192801938-01-011938
M-111 PhoenixEagle River 01939-01-01193901940-01-011940
M-112 8.7014.00 YpsilantiDearborn 01942-01-011942[94]01956-01-011956[95] Replaced by I-94
M-113 16.57326.672 M-37 near HannahUS 131 in Walton Junction 01927-01-011927[21]current
M-114 13.45421.652 Paris TownshipComstock Park 01929-01-01c.1929[56]01945-01-011945[96] Former bypass routing around Grand Rapids; trunkline had three legs at the time of its decommissioning with an east–west branch in Comstock Park
M-115 96.432155.192 Bus. US 10/Bus. US 127 in ClareM-22 in Frankfort 01929-01-011929[24]current
M-116 7.01811.294 US 10 in LudingtonLudington State Park 01928-01-011928[55]current
M-117 14.47923.302 US 2 in EngadineM-28 near Newberry 01941-01-011941[97]current
M-118 10.24716.491 M-40/M-89 in AlleganUS 131 near Martin 01929-01-011929[24]01988-01-011988[98] Replaced by M-222
M-119 M-40 in Paw PawUS 12 near Mottville 01930-01-011930[56]01971-01-011971[48] Replaced by M-40
M-119 27.54844.334 US 31 near Bay ViewC-66/C-77 in Cross Village 01979-01-011979[99]current Formerly the northern end of M-131
M-120 US 16 in LansingLansing 01930-01-011930[100]01939-01-011939[101] Replaced by M-174
M-120 SR 120 on the Michigan–Indiana state lineSR 120 on the Michigan–Ohio state line 01939-01-011939[102]01961-01-011961[103]
M-120 27.90144.902 Bus. US 31 in MuskegonM-20 in Hesperia 01969-01-011969[104]current Once was part of M-20
M-121 01933-01-011933[105]01935-01-011935[106]
M-121 5.7009.173 I-69 near Bishop Airport in FlintM-54 in Burton 01935-01-011935[107]02003-01-012003[108] Bristol Road; provided access to Bishop International Airport and a truck bypass route from I-69 to General Motors plants near I-75
M-121 12.76320.540 Main Street in ZeelandI-196 in Grandville 02007-01-012007[109]current Once was part of M-21; Chicago Drive
M-122 1.0681.719 US 2 in St. IgnaceState Ferry Dock in St. Ignace 01929-01-011929[56]01957-01-011957[110] Former route from US 2 to state ferry docks for service from St. Ignace to Mackinaw City; ferry service ended after the Mackinac Bridge was opened in 1957.
M-123 96.071154.611 I-75 near St. IgnaceM-28 near Newberry 01936-01-011936[111]current Tahquamenon Scenic Heritage Route
M-124 7.73112.442 M-50 in BrooklynUS 12 in Springville 01929-01-011929[24]current
M-125 ThompsonUS 2 01931-01-011931[112][113]01936-01-011936[114]
M-125 7 Mile Road in Bay CountyUS 23 01938-01-011938[115]01956-01-01c.1956[116]
M-125 19.48031.350 Detroit Avenue near Toledo, OHUS 24 near Monroe 01974-01-011974[117]current Former routing of US 25
M-126 11.9419.22 Muskegon HeightsNunica 01934-01-011934[118]01940-01-011940[119] Replaced by US 16
M-129 MareniscoLake Gogebic State Park 01926-01-01192601930-01-011930 Replaced by M-64
M-129 PhoenixCopper Harbor 01930-01-01193001935-01-011935 Replaced by M-26 (portions now a local road)
M-129 33.22353.467 M-134 in CedarvilleBS I-75 in Sault Ste. Marie 01939-01-011939[13]current Follows the Michigan Meridian
M-130 9.1114.66 US 23/M-50 in Raisinville TownshipUS 24 in Monroe 01930-01-011930[24]01955-01-011955[120]
M-131 27.54844.334 US 31 in BayviewC-66/C-77 in Cross Village 01926-01-011926[16]01979-01-011979[99] Replaced by M-119
M-132 7.4712.02 Main Street in DexterUS 12 in Ann Arbor 01929-01-011929[24]01960-01-011960[121]
M-134 M-66 near McBainProsper Road in Falmouth 01929-01-011929[24]01938-01-011938[17]
M-134 50.23380.842 I-75 near St. IgnaceDrummond 01939-01-011939[9]current Includes the Drummond Island Ferry across the DeTour Passage
M-135 18.229.3 US 2 near Gould CityM-28 near McMillan 01928-01-01c.1928[24]01960-01-011960[80] Now H-33
M-136 17.03327.412 M-19 in BrockwayM-25 in Port Huron 01931-01-011931[32][112]current
M-137 2.8844.641 Interlochen State ParkUS 31 in Interlochen 01930-01-011930[69]02020-06-012020[122] Returned to local control; formerly connected to Interlochen Center for the Arts and Interlochen State Park
M-138 20.14132.414 M-15 near MungerM-24 near Akron 01931-01-011931[32][112]current
M-139 26.48742.627 US 12 near NilesBL I-94 in Benton Harbor 01931-01-011931[32][112]current
M-140 37.20559.876 M-139 near NilesI-196/US 31 & BL I-196 near South Haven 01931-01-01c.1931[112][123]current
M-142 M-55 and M-66 near Lake CityLake City Experiment Station at Call Road near Lake City 01929-01-011929[32][112]01939-01-011939[124] now Jennings Road
M-142 39.18663.064 M-25 in Bay PortM-25 in Harbor Beach 01939-01-011939[68]current
M-143 US 27 near CheboyganCheboygan State Park 01931-01-011931[113]01960-01-011960[125] Lincoln Avenue
M-143 0.9361.506 LansingEast Lansing city lineM-43 in East Lansing 01962-01-011962[126]current Unsigned from 1989 until 2013
M-144 0.3880.624 Michigan State Police Headquarters in East LansingM-39 in East Lansing 01937-01-011937[127]01939-01-011939[128]
M-144 15.07824.266 RoscommonLuzerne 01940-01-011940[129]01973-01-011973[130]
M-145 Vandercook LakeJackson Designation used on paper for a proposed western bypass of Jackson; only one portion was designated on paper along Springport Road
M-146 5.138.26 US 25 in Port HuronBlue Water Bridge in Port Huron 01933-01-011933[131]01966-01-011966[132]
M-147 0.5050.813 M-106 near JacksonState Prison of Southern Michigan 01936-01-011936[133]01991-01-011991[134]
M-149 10.60517.067 US 2 near ThompsonPalms Book State Park 01930-01-01c.1930[135]current
M-150 4.7677.672 M-59 in Rochester HillsTienken Road in Rochester 01930-01-01c.1930[135]current Rochester Road
M-151 17.37627.964 NilesUnion 01931-01-011931[136]01935-01-011935[137]
M-151 3.7155.979 US 223 in Whiteford TownshipUS 23 in Whiteford Township 01935-01-011935[138]01977-01-011977[139] Replaced by US 223
M-152 7.70112.394 Sister LakesM-51 near Dowagiac 01933-01-011933[140]current
M-153 25.12740.438 M-14 near DixboroI-94/US 12 in Detroit 01930-01-011930[141]current Ford Road
M-154 6.1259.857 Green Road in Sans SouciFerry dock in Sans Souci 01931-01-011931[32]current Located on Harsens Island
M-155 3.4205.504 Howell State HospitalBL I-96 in Howell 01931-01-011931[112][113]current No longer signed since 1987, still under state control
M-156 10.66517.164 SR 108 at the Ohio state line near MorenciM-34 in Clayton 01931-01-01c.1931[112][123]current
M-157 1.1931.920 M-55 near PrudenvilleM-18 near Prudenville 01932-01-011932[142]current
M-158 3.2855.287 M-99 in Hillsdale CountyM-99 in Hillsdale County 01934-01-011934[143]01934-01-011934[144] Replaced by M-99
M-160 Mount ClemensSelfridge Field 01941-01-01194101942-01-011942
M-162 M-28 near Au TrainM-94 near Au Train 01935-01-01193501939-01-011939 Returned to local control, now H-03
M-164 2.0063.228 SnoverM-19 near Snover 01936-01-01c.1936[145]01939-01-01c.1939[146]
M-165 0.3930.632 M-21 near OvidOvid 01936-01-01c.1936[147]01939-01-01c.1939[124]
M-166 12.75420.526 US 16 in PortlandM-21 in Muir 01936-01-01c.1936[148]01939-01-011939[149]
M-167 0.6100.982 M-21 near SaranacSaranac 01936-01-01c.1936[148]01939-01-01c.1939
M-168 0.9531.534 Former ferry dock in ElbertaM-22 in Elberta 01931-01-011931[112][113]02012-01-012012[150]
M-169 FostoriaM-36 east of Fostoria 01930-01-01193001936-01-011936
M-169 Houghton Lake 01935-01-01193501949-01-011949
M-169 Houghton Lake 01949-01-01194901950-01-011950
M-170 McMillan 01939-01-011939
M-171 SpruceAlpena 01932-01-01193201934-01-011934
M-171 31.80351.182 US 23 in OscodaUS 23 in Caledonia Township 01936-01-011936[151]01960-01-011960[152] Now F-41
M-172 Middleville 01939-01-011939
M-173 Orleans 01939-01-011939
M-173 Menominee 01939-01-01193901972-01-011972 Spur to the Ann Arbor Railroad ferry docks
M-174 Buchanan 01939-01-011939
M-174 Lansing 01939-01-01193901970-01-011970
M-175 Galien 01939-01-011939
M-176 Durand 01939-01-011939
M-177 AlmaSt. Louis 01939-01-011939
M-178 1.0361.667 WetmoreMunising 01936-01-011936[153]01941-01-011941[154] Former connector between M-28 and M-98, now part of M-28
M-179 US 131 near LeRoyM-63 near LeRoy 01935-01-011935[155]01958-01-011958[156]
M-179 16.96327.299 US 131 near BradleyM-37/M-43 near Hastings 01998-01-011998[157]current Chief Noonday Trail Recreational Heritage Route
M-180 Menominee 01933-01-01193301935-01-011935 Spur to the Ann Arbor Railroad ferry docks
M-181 DrydenMetamora 01959-01-011959
M-183 US 16US 23 01932-01-01193201963-01-011963
M-183 16.37726.356 Fayette State ParkUS 2 in Garden Corners 01985-01-011985[158]current
M-184 RichlandKellogg Bird Sanctuary 01939-01-011939
M-185 8.00412.881 Loop around Mackinac Island 01933-01-011933[159]current The only car-free state highway in the US
M-186 4.4787.207 M-35 near PerkinsUS 2/US 41 in Rapid River 01932-10-271932[160]01939-07-271939[161] Now CR 186
M-186 2.4934.012 M-113 near KingsleyUS 131 in Fife Lake 01940-01-011940[162]current
M-188 4.5597.337 M-50/M-99 in Eaton RapidsVFW National Home for Children 01932-01-011932[163]current
M-189 7.78612.530 STH-139 at the Wisconsin state lineUS 2 in Iron River 01932-01-011932[164]current
M-191 Fenwick 01939-01-011939
M-193 Morrice 01936-01-011936
M-194 New Lothrop 01939-01-011939
M-195 Henderson 01937-01-011937
M-196 Hersey 01939-01-011939
M-198 Lakeview 01939-01-011939
M-199 Daggett 01933-01-011933[165]01939-01-011939[166]
M-199 4.0306.486 I-94 near AlbionBL I-94 in Albion 01998-01-011998[157]current
M-200 Stephenson 01933-01-011933[165]01939-01-011939[166]
M-201 1.4672.361 M-22 in NorthportCR 640 near Northport 01949-01-011949[167]current
M-203 17.94428.878 US 41 in HancockUS 41/M-26 in Calumet 01933-01-011933[168]current Connects with McLain State Park
M-204 7.22011.619 M-22 near LelandM-22 in Suttons Bay 01933-01-011933[169]current Part of the Leelanau Scenic Heritage Route
M-205 1.7092.750 SR 19 at the Indiana state lineUS 12 near Adamsville 01935-01-011935[170]02002-01-012002[171] Formerly US 112S
M-206 Eagle HarborEagle Harbor Lighthouse 01935-01-011935[172]01940-01-011940 Replaced by M-26
M-208 13.321.4 Au Sable RiverGrayling 01936-01-011936[173]01939-01-011939[174] Replaced by M-72
M-209 0.5430.874 M-109 at Glen HavenCoast Guard Life Saving Station at Glen Haven 01920-01-01c.1920[175]01996-01-011996[176] Formerly the shortest trunkline in Michigan
M-210 1.9283.103 M-21 near PewamoM-21 near Pewamo 01933-01-011933[177]01939-01-011939[178] Former route of M-21
M-211 5.1478.283 M-68 in OnawayOnaway State Park 01934-01-011934[78]current
M-212 0.7321.178 Aloha State ParkM-33 near Aloha 01937-01-011937[179]current Shortest signed trunkline in Michigan
M-213 MuskegonBrunswick 01960-01-011960 Now part of B-35
M-213 Muskegon State ParkMuskegon 01960-01-011960[180]01970-01-011970[181]
M-214 M-79 in NashvilleM-66 in Nashville 01934-01-011934[182]01953-01-011953[183]
M-215 0.8961.442 US 12 in LawrenceLawrence village limits 01936-01-01193601956-01-011956[184] Previously ran northward to terminate at M-43 in Bangor[184]
M-216 9.37915.094 M-40 in MarcellusUS 131 near Moorepark 01935-01-011935[185]current
M-217 1.6532.660 CR 17 at the Indiana state lineUS 12 near Union 02002-01-012002[171]current Michiana Parkway
M-218 18.10829.142 I-96 in WixomBus. US 10 in Pontiac 01936-01-01c.1936[186]01963-01-011963[187]
M-219 Manistique 01935-01-01193501966-01-011966 Spur to the Ann Arbor Railroad ferry docks
M-221 2.5454.096 M-28 near BrimleyLakeshore Drive in Brimley 01945-01-011945[188]current
M-222 10.24716.491 M-40/M-89 in AlleganUS 131 near Martin 01988-01-011988[98]current Replaced M-118
M-227 6.83410.998 I-69 near MarshallBL I-94 in Marshall 01998-01-011998[157]current Once was part of US 27
M-231 7.00211.269 M-45 near RobinsonI-96 and M-104 near Nunica 02015-10-302015[189]current Scaled-down bypass route for US 31[190]
M-239 1.1361.828 SR 39 at Indiana state lineI-94 near New Buffalo 01963-01-011963[191]current
M-247 3.0364.886 M-13 in Bay CityBay City State Park 01961-01-011961[192]current
M-275 NoviClarkston 01975-01-011975[193]01985-01-011985 Proposed northern extension of I-275 that was cancelled before being built[193][194]
M-294 1.5352.470 I-94 near Battle CreekM-96 near Battle Creek 01998-01-011998[157]current
M-311 13.60021.887 M-60 in BurlingtonI-94 & M-96 near Battle Creek 01998-01-011998[157]current
M-331 3.3635.412 KalamazooPortage city lineBL I-94/Bus. US 131/M-43 in Kalamazoo 01998-01-011998[157]02019-01-072019[195] Never signed, returned to local control; once was part of US 131
M-343 7.92812.759 Riverview Drive in KalamazooM-43/M-89 in Richland 02019-01-012019[14][196]current Previously part of M-43
M-553 19.61831.572 M-35 near GwinnUS 41/M-28 in Marquette 01998-01-011998[157]current Formerly CR 553
M-554 0.8521.371 M-553 in MarquetteDivision Street in Marquette 01998-01-011998[157]02005-01-012005[197] Never signed, returned to local control
M-700 5.5458.924 East Grand Boulevard & East Jefferson Avenue in DetroitM-712 (Riverbank Drive) & M-708 (Inselruhe Avenue) in Belle Isle State Park 02014-02-102014[198]current Unsigned; includes the MacArthur Bridge connecting the park to the mainland and follows Sunset Drive, The Strand, Lakeside Drive, and Riverbank Drive
M-701 1.9373.117 M-704 (Casino Way) near the Belle Isle CasinoM-700 (Lakeside Drive) in Belle Isle State Park 02014-02-102014[198]current Unsigned; follows Central Avenue
M-702 0.2860.460 M-700 (The Strand) in Belle Isle State ParkM-700 (Sunset Drive) 02014-02-102014[198]current Unsigned; follows Fountain Way and includes Fountain Circle around the James Scott Memorial Fountain
M-703 0.1260.203 M-702 (Fountain Circle) in Belle Isle State ParkM-704 (Casino Way) 02014-02-102014[198]current Unsigned; follows third leg of Fountain Way
M-704 0.4220.679 M-700 (The Strand) in Belle Isle State ParkM-700 (Sunset Drive) 02014-02-102014[198]current Unsigned; follows Casino Way
M-705 1.2932.081 M-701 (Central Avenue) in Belle Isle State ParkM-700 (The Strand) 02014-02-102014[198]current Unsigned; follows Muse Road, Loiter Way, and Vista Avenue
M-706 0.1300.209 M-700 (The Strand) in Belle Isle State ParkM-705 (Loiter Way) 02014-02-102014[198]current Unsigned; follows southern segment of Picnic Way
M-707 0.3540.570 M-705 (Loiter Way) in Belle Isle State ParkM-712 (Riverbank Drive) 02014-02-102014[198]current Unsigned; follows northern segment of Picnic Way
M-708 0.4030.649 M-700 (The Strand) in Belle Isle State ParkM-700 & M-712 (Riverbank Drive) 02014-02-102014[198]current Unsigned; follows Inselruhe Avenue
M-709 0.8611.386 M-700 (Riverbank Drive) in Belle Isle State ParkM-700 (Riverbank Drive) 02014-02-102014[198]current Unsigned; follows Oakway Trail
M-710 0.6321.017 M-700 (The Strand) in Belle Isle State ParkM-700 (Lakeside Street) 02014-02-102014[198]current Unsigned; follows Woodside Drive
M-711 0.0540.087 M-701 (Central Avenue) in Belle Isle State ParkM-700 (Riverbank Drive) 02014-02-102014[198]current Unsigned; follows Vista Drive
M-712 0.5140.827 M-700 (Sunset Drive) in Belle Isle State ParkM-700 (Riverbank Drive) & M-708 (Inselruhe Avenue) 02014-02-102014[198]current Unsigned; follows Riverbank Drive
  •       Former

Special routes

Number Length (mi)[1] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes

Conn. M-13
2.4143.885 I-75/US 23 in Monitor TownshipM-13 in Monitor Township 01967-01-011967[199]current Freeway near Bay City and Kawkawlin

Bus. M-17
6.27510.099 US 23/M-17 in Pittsfield TownshipUS 112 & M-17 in Ypsilanti Township 01945-01-01c.1945[200]01956-01-011956[201] Replaced by M-17
M-21A 9.03314.537 M-21 and US 10 in FlintM-15 and M-21 in Davison 01929-01-011929[24]01948-01-011948[202]

Byp. M-21
12.00519.320 Byp. US 16 & M-21 in GrandvilleByp. US 131 & M-21 in Grand Rapids Township 01945-01-011945[203]01953-01-011953[204]

Bus. M-21
6.74910.861 I-196/M-21 in GrandvilleI-196/M-21 in Grand Rapids 01953-01-011953[204]01974-01-011974[205] Replaced by BS I-196

Bus. M-24
6.75410.870 US 10/M-24 in Bloomfield TownshipM-24 in Pontiac Township 01940-01-011940[206]01963-01-011963[207] Served Pontiac; replaced by BL I-75

Bus. M-28
9.01014.500 M-28 in Pentland TownshipM-28 in Pentland Township 01936-01-011936[208]01953-01-011953[209] Served Newberry; partially returned to local control, remainder is part of M-117

Bus. M-28
4.8737.842 US 41/M-28 in IshpemingUS 41/M-28 in Negaunee 01958-01-011958[210]current Part of US 41/M-28 bypassed in the 1930s

Bus. M-28
2.3433.771 US 41/M-28 in MarquetteUS 41/M-28 in Marquette 01975-01-011975[211]01982-01-011982[212] Short-lived secondary designation for Bus. US 41; returned to local control in 2005

Bus. M-32
0.7381.188 Old M-32 and Hillman Road in HillmanHillman Road in Hillman 01927-01-01c.1927[21]current Business spur; also called Spur M-32

Bus. M-43
2.4233.899 M-43 in Oneida TownshipM-43 and M-100 in Grand Ledge 01959-01-011959[213]01968-01-011968[214]

Conn. M-44
4.1966.753 I-96/M-37 in Grand RapidsM-44 in Plainfield Township 01969-01-011969[215]current Previously part of US 131 on Plainfield Avenue

Bus. M-50
11.08417.838 M-50 in WalkerI-96/M-50 in Grand Rapids Township 01953-01-011953[204]01961-01-011961[30] Replaced by M-50

Truck M-51
1.2381.992 M-51/M-62 (Spruce Street) in DowagiacM-51 (North Front Street) in Dowagiac Not state maintained;[1] follows North Paul Street and West Prairie Ronde Street

Bus. M-54
14.76723.765 M-54 in Grand Blanc TownshipM-54 in Mount Morris Township 01962-01-011962[216]01974-01-011974[217] Saginaw Street; returned to local Control

Bus. M-55
2.8984.664 US 27 & M-55 in Houghton Lake HeightsM-55 in Houghton Lake Heights 01950-01-01c.1950[218]01961-01-011961[219]

Alt. M-60
1.6712.689 M-60 in Concord TownshipM-60 in Concord 01933-01-011933[220]01934-01-011934[221]

Bus. M-60
2.5544.110 M-51 in NilesM-60 in Howard Township 01957-01-01c.1957[222]current Business spur

Bus. M-76
4.3186.949 M-76 in Horton TownshipM-55/M-76 in Ogemaw Township 01971-01-011971[223]01973-01-011973[224] Replaced by BL I-75 in West Branch

Truck M-78
1.5292.461 US 27/M-78 in LansingUS 27/M-78 in Lansing 01936-01-01c.1936[225]01950-01-011950[226]

Bus. M-78
9.78215.743 I-96 & US 27/M-78 in Windsor TownshipI-496/US 127 & M-78 in Lansing Township 01963-01-011963[227]01970-01-011970[228] Served Lansing

Spur M-130
1.1381.831 Muehleisen Road in Raisinville TownshipM-130 in Raisinville Township 01938-01-011938[229]01955-01-01c.1955[230]
  •       Former

Connectors

Most of the following connectors are unsigned,[231] but they were inventoried publicly as part of the 6th edition of the Michigan Geographic Framework in 2006.[232] Up through the 7th edition, MDOT used a different numbering system,[233] which was changed in May 2008 with the publication of the 8th edition.[234] The years below note when each connector was established as an individual component of the highway system.

Number[235] Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
Connector 3 0.7241.165 I-75 & I-375 in DetroitM-3 in Detroit 01968-01-011968[236]current Part of the Fisher Freeway without a posted highway number; previously Connector 8[233]
Connector 5 0.8361.345 M-5 in Farmington HillsI-696 in Farmington Hills 01964-01-011964[237]current Connector ramp between I-696 and M-5 in the I-96/I-275/I-696/M-5 interchange
Connector 13 2.4143.885 I-75/US 23 in Monitor TownshipM-13 in Monitor Township 01967-01-011967[199]current Signed as Conn. M-13; previously Connector 14[233]
Connector 24 2.3793.829 US 24 in Brownstown TownshipI-75 in Brownstown Township 01973-01-011973[238]current Part of Dix–Toledo Highway; labeled "I-75 connector" on state maps; previously part of US 25 and later Connector 3[233]
Connector 25 0.2650.426 BL I-69/BL I-94 in Port HuronM-25 in Port Huron 01973-01-011973[239]current Labeled "I-94 connector" on state maps; previously part of US 25[239] and later Connector 13[233]
Connector 30 0.6291.012 I-94 in RosevilleM-3 in Roseville 01963-01-011963[240]current Previously Connector 10[233]
Connector 34 0.3660.589 M-34 in AdrianUS 223 in Adrian 02003-01-012003[241]current Industrial Drive
Connector 44 4.1856.735 I-96/M-37 in Plainfield TownshipM-44 in Plainfield Township 01969-01-011969[215]current Signed as Conn. M-44
Connector 58 0.5570.896 M-58 in SaginawI-675 in Saginaw 01971-01-011971[58]current Part of Hill Street and Michigan Avenue
Connector 69 0.9351.505 Lapeer Road in Port Huron TownshipI-94/I-69 in Port Huron Township 01966-01-011966[242]current Labeled as "Lapeer Connector" on maps; replaced M-146;[242] previously Connector 9[233]
Connector 75 2.9924.815 I-75 in Erie TownshipM-125 in Erie Township 01956-01-011956[243]current Replaced part of US 24A;[243] previously Connector 2[233]
Connector 85 0.2190.352 M-85 in DetroitI-75 on the Detroit–Melvindale city line 01956-01-011956[244]current Schaefer Highway
Connector 96 2.3653.806 I-96 in Watertown TownshipI-69 in Watertown Township 01984-01-011984[245]current Connector in the I-96/I-69 interchange
Connector 102 0.2010.323 M-10 in DetroitM-102 on the Detroit–Southfield city line 01963-01-011963[246]current Part of Greenfield Road and Greenlodge Street; previously Connector 23[233]
Connector 104 0.3260.525 M-104 in FerrysburgUS 31 in Ferrysburg 01961-01-011961[247]current Part of Pine Street and 3rd Street
Connector 125 0.5720.921 US 24 in Erie TownshipM-125 in Erie Township 01965-01-011965[248]current Luna Pier Road, replaced part of M-151;[248] previously Connector 1[233]
Connector 240 1.5892.557 I-75 in TaylorUS 24 in Taylor 01963-01-011963[246]current Previously Connector 4[233]
Connector 496 2.3983.859 I-496 & M-99 in LansingI-496 & BL I-96 in Lansing 01989-01-011989[249]current Signed as the Capitol Loop; previously Connector 81[233]
Connector 850 0.1270.204 M-85 in DetroitI-75 in Detroit 01973-01-011973[238]current Part of Clark Street; replaced part of US 25; previously Connector 7[233]

See also

References

Footnotes

  1. 1 2 3 4 5 6 Michigan Department of Transportation (2021). Next Generation PR Finder (Map). Michigan Department of Transportation. Retrieved October 11, 2021.
  2. Michigan Legislature (1915) [enacted May 13, 1913]. "Chapter 91: State Reward Trunk Line Highways". In Shields, Edmund C.; Black, Cyrenius P.; Broomfield, Archibald (eds.). The Compiled Laws of the State of Michigan. Vol. 1. Lansing, MI: Wynkoop, Hallenbeck, Crawford. pp. 1868–1872. OCLC 44724558. Retrieved January 24, 2012.
  3. MSHD (1919), Upper Peninsula and Lower Peninsula sheets.
  4. Baulch, Vivian M. (June 13, 1999). "Woodward Avenue, Detroit's Grand Old 'Main Street'". The Detroit News. ISSN 1055-2715. OCLC 137348716. Archived from the original on January 4, 2009. Retrieved June 6, 2012.
  5. MSHD (1937a), Detroit & Vicinity inset; MSHD (1937b), Detroit & Vicinity inset.
  6. MSHD (1939a), Detroit & Vicinity inset; MSHD (1939b), Detroit & Vicinity inset.
  7. MDSH (1973), Detroit and Vicinity inset, §§ E8–A11; MDSHT (1974), Detroit and Vicinity inset, §§ E8–A11.
  8. MSHD (1936a), §§ D10–D11.
  9. 1 2 MSHD (1939a), §§ D10–D11; MSHD (1939b), §§ D10–D11.
  10. MDSHT (1979), Detroit and Vicinity inset, §§ C5–C6; MDOT (1980), Detroit and Vicinity inset, §§ C2–C3.
  11. MDOT (1986), Detroit and Vicinity inset, §§ C5–E8; MDOT (1987), Detroit and Vicinity inset, §§ C5–E8.
  12. MSHD (1933a), §§ C11–D11; MSHD (1933b), §§ C11–D11.
  13. 1 2 MSHD (1939a), §§ C11–D11; MSHD (1939b), §§ C11–D11.
  14. 1 2 Michigan Department of Transportation (2019). Truck Operator's Map (PDF) (Map). Scale not given. Lansing: Michigan Department of Transportation.
  15. MDSHT (1977), Detroit and Vicinity inset, §§ D5–E9; MDSHT (1978), Detroit and Vicinity inset, §§ D5–E9.
  16. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 MSHD (1926).
  17. 1 2 MSHD (1938b), § A4.
  18. "I-94–I-75 Link To Open". Argus-Press. Owosso, MI. Associated Press. January 3, 1979. p. 16. OCLC 36134862. Retrieved January 7, 2011.
  19. Auto Club of Michigan (September 1976). Detroit Northern Suburbs and Oakland County (Map) (Fall 1976–77 ed.). c. 1:44,352. Falls Church, VA: American Automobile Association. § P12. OCLC 49819797.
  20. "South Beltline Opens". Grand Rapids, MI: WZZM-TV. November 21, 2001. Archived from the original on February 10, 2013. Retrieved January 8, 2011.
  21. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 MSHD (1927a); MSHD (1927b).
  22. 1 2 MSHD (1939b), §§ N9–N10; MSHD (1940a), §§ N9–N10.
  23. Barnett (2004), p. 66.
  24. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 MSHD (1929); MSHD (1930a).
  25. 1 2 MSHD (1939b), §§ L11–N11; MSHD (1940a), §§ L11–N11.
  26. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 MSHD (1919), Lower Peninsula sheet.
  27. 1 2 3 4 5 6 7 8 9 10 11 Bureau of Public Roads & American Association of State Highway Officials (November 11, 1926). United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Washington, DC: United States Geological Survey. OCLC 32889555. Retrieved November 7, 2013 via Wikimedia Commons.
  28. MSHD (1941a), § K12; MSHD (1941b), § K12.
  29. MSHD (1954a), § M12; MSHD (1954b), § M12.
  30. 1 2 MSHD (1961), Grand Rapids inset; MSHD (1962), Grand Rapids inset.
  31. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 MSHD (1919), Upper Peninsula sheet.
  32. 1 2 3 4 5 6 7 MSHD (1931a), § D8; MSHD (1931b), § D8.
  33. MSHD (1932b).
  34. ODOH (1930); ODOH (1931), §§ E4–B14.
  35. 1 2 3 4 5 6 7 8 9 10 11 MSHD (1930b); MSHD (1930c).
  36. MSHD (1942), §§ J10–M10; MSHD (1943), §§ J10–M10.
  37. MSHD (1956a), §§ M12–M14; MSHD (1956b), §§ M12–14.
  38. MSHD (1933a), §§ I13–K14; MSHD (1933b), §§ I13–K14.
  39. MSHD (1961), §§ E11–G10; MSHD (1962), §§ E11–G10.
  40. MSHD (1961), §§ J12–J14; MSHD (1962), §§ J12–J14.
  41. MDSH (1968), § B3; MDSH (1969), § B3.
  42. MSHD (1937b), § L10; MSHD (1938a), § L10.
  43. MSHD (1939a), Detroit & Vicinity inset; MSHD (1939b), Detroit & Vicinity inset.
  44. 1 2 MSHD (1958), Detroit Metropolitan Area inset, §§ E6–F6; MSHD (1960), Detroit Metropolitan Area inset, §§ E6–F6.
  45. 1 2 MSHD (1934b), §§ C5–D5; MSHD (1934c), §§ C5–D5.
  46. MSHD (1964), §§ K8–K9; MSHD (1965), §§ K8–K9.
  47. MSHD (1965), §§ I14–J14; MDSH (1966), §§ I14–J14.
  48. 1 2 MDSH (1971), §§ M8–N8; MDSH (1972), §§ M8–N8.
  49. MSHD (1933b), § C1; MSHD (1934b), § C1.
  50. "US 2 Business Route Through Ironwood". The Bessemer Herald. August 14, 1942. Retrieved November 9, 2015 via Newspapers.com.
  51. MSHD (1962), §§ K12–L12; MSHD (1963), §§ K12–L12.
  52. MSHD (1957a), §§ M13–N13; MSHD (1957b), §§ M13–N13
  53. MDSH (1971), § K12; MDSH (1972), § K12.
  54. MDOT (1984), § K12; MDOT (1985), § K12.
  55. 1 2 3 4 5 6 MSHD (1928a); MSHD (1928b).
  56. 1 2 3 4 MSHD (1930a), Grand Rapids inset.
  57. MSHD (1961), Detroit Metropolitan Area inset; MSHD (1962), Detroit Metropolitan Area inset.
  58. 1 2 MDSH (1971), Saginaw inset; MDSH (1972), Saginaw inset.
  59. 1 2 3 MSHD (1924); MSHD (1925).
  60. MSHD (1961), § I9; MSHD (1962), § I9.
  61. MDOT (1986), § M7; MDOT (1987), § M7.
  62. MSHD (1936a), § F10.
  63. MSHD (1960), §§ H12–I12; MSHD (1961), §§ H12–I12.
  64. MSHD (1939a), § H10; MSHD (1939b), § H10.
  65. MDSH (1973), §§ H11–I12; MDSHT (1974), §§ H11–I12.
  66. MSHD (1939a), § I11; MSHD (1939b), § I11.
  67. MDOT (1993), § C11; MDOT (1995), § C11.
  68. 1 2 MSHD (1939a), §§ I13–I14; MSHD (1939b), §§ I13–I14.
  69. 1 2 MSHD (1930a); MSHD (1930b).
  70. MSHD (1960), § J12; MSHD (1961), § J12.
  71. MSHD (1941b), § J13; MSHD (1942), § J13.
  72. MSHD (1956a), §§ M13–M14; MSHD (1956b), §§ M13–M14.
  73. Rand McNally (1921). "Southern Peninsula of Michigan, Northern Indiana, Northwestern Ohio" (Map). Auto Trail Map. Scale not given. Chicago: Rand McNally.
  74. MSHD (1960), § L12; MSHD (1961), § L12.
  75. MSHD (1940b), §§ E11–E12; MSHD (1940c), §§ E11–E12.
  76. MSHD (1942), §§ J9–L10; MSHD (1943), §§ J9–L10.
  77. MSHD (1962), § N12; MSHD (1963), § N12.
  78. 1 2 MSHD (1934b), § E11; MSHD (1934c), § E11.
  79. Barnett (2004), p. 100.
  80. 1 2 MSHD (1960), §§ C8–D8; MSHD (1961), §§ C8–D8.
  81. MSHD (1939a), § D8; MSHD (1939b), p. ., § D8
  82. MSHD (1932b), § N9; MSHD (1933a), § N9.
  83. 1 2 MSHD (1958), §§ N8–N9; MSHD (1960), §§ N8–N9.
  84. MSHD (1939a), § L11; MSHD (1939b), § L11.
  85. MSHD (1940a), § K8; MSHD (1940b), § K8.
  86. MSHD (1939a), § I13; MSHD (1939b), § I13.
  87. Barnett (2004), p. 166.
  88. Lake, James (June 19, 2008). "MDOT Transfers M-107 Jurisdiction to Ontonagon County Road Commission" (Press release). Michigan Department of Transportation. Retrieved June 19, 2008.
  89. MSHD (1957b), § E10; MSHD (1958), § E10.
  90. MSHD (1960), § E10; MSHD (1961).
  91. Michigan Department of Transportation (December 9, 2010). "Contract Numbers 2011-0033 and 2011-0033". Michigan Department of Transportation. Archived from the original on January 5, 2013. Retrieved December 13, 2010.
  92. MSHD (1927a), Manistee inset; MSHD (1927b), Manistee inset.
  93. MDOT (2003a), § H8; MDOT (2004a), § H8.
  94. "Aging Willow Run Expressway Has Served Michigan Well". The Ann Arbor News. July 15, 1972. p. 12. OCLC 9497417.
  95. MSHD (1956a), § M12; MSHD (1956b), § M12.
  96. MSHD (1945a), §§ K8–L9; MSHD (1945b), §§ K8–L9.
  97. MSHD (1940c), §§ C9–D10; MSHD (1941a), §§ C9–D10.
  98. 1 2 MDOT (1988), §§ M8–M9; MDOT (1989), §§ M8–M9.
  99. 1 2 MDSHT (1979), § E10; MDOT (1980), § E10.
  100. MSHD (1930a), Lansing inset; MSHD (1930b), Lansing inset.
  101. MSHD (1938b), Lansing inset; MSHD (1939a), Lansing inset.
  102. MSHD (1939a), § N11; MSHD (1939b), § N11.
  103. MSHD (1960), §§ N10–N11; MSHD (1961), §§ N10–N11.
  104. MDSH (1969), §§ J8–K8; MDSH (1970), §§ J8–K8.
  105. MSHD (1933a), §§ C11–D10; MSHD (1933b), §§ C11–D10.
  106. MSHD (1935a), §§ C11–D10; MSHD (1935b), §§ C11–D10.
  107. MSHD (1935b), Flint inset; MSHD (1936a), Flint inset.
  108. MDOT (2003a), Flint inset; MDOT (2004a), Flint inset.
  109. Grand Region (2007). "Grand Region Five-Year Transportation Program 2008–2012" (PDF). Grand Rapids: Michigan Department of Transportation. Retrieved December 7, 2007.
  110. MSHD (1957a), § D10; MSHD (1957b), § D10.
  111. MSHD (1936a), § B10.
  112. 1 2 3 4 5 6 7 8 9 MSHD (1931c).
  113. 1 2 3 4 MSHD (1931b), § E11.
  114. MSHD (1936a), § D7; MSHD (1936b), § D7.
  115. MSHD (1938a), § J12; MSHD (1938b), § J12.
  116. MSHD (1956b), §§ J12; MSHD (1957a), § J12.
  117. MDSH (1973), § N13; MDSHT (1974), § N13.
  118. MSHD (1934c).
  119. MSHD (1940c), § K8.
  120. MSHD (1955a), § K13; MSHD (1955b), § K13.
  121. MSHD (1958), § M12; MSHD (1960), § M12.
  122. Lake, James (August 6, 2020). "MDOT Transfers M-137 Jurisdiction to Grand Traverse County Road Commission" (Press release). Michigan Department of Transportation. Retrieved August 16, 2020.
  123. 1 2 MSHD (1932a).
  124. 1 2 MSHD (1938b), § K11; MSHD (1939a), § K11.
  125. MSHD (1960), § E11; MSHD (1961), § E11.
  126. MSHD (1962), § L11; MSHD (1963), § L11.
  127. MSHD (1936b), Lansing inset; MSHD (1937a), Lansing inset.
  128. MSHD (1939a), Lansing inset; MSHD (1939b), Lansing inset.
  129. MSHD (1940b), § G11; MSHD (1940c), § G11.
  130. MDSH (1973), § G11; MDSHT (1974), § G11.
  131. MSHD (1933a), Port Huron inset; MSHD (1933b).
  132. MDSH (1966), §§ K13–K14; MDSH (1967), §§ K13–K13.
  133. MSHD (1935b), § M11; MSHD (1936a), § M11.
  134. MDOT (1991), § M11; MDOT (1992), § M11.
  135. 1 2 MSHD (1930c); MSHD (1931a).
  136. MSHD (1931b), § N8; MSHD (1931c), § N8.
  137. MSHD (1935a), § N8; MSHD (1935b), § N8.
  138. MSHD (1935b), § N12; MSHD (1936a), § N12.
  139. Special Committee on U.S. Route Numbering (July 6, 1977). "Route Numbering Committee Agenda" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 2. Retrieved August 2, 2014 via Wikimedia Commons.
  140. MSHD (1933a), § M8; MSHD (1933b), § M8.
  141. Barnett (2004), p. 84.
  142. MSHD (1932a), § H10; MSHD (1933a), § H10.
  143. MSHD (1934a), § N11; MSHD (1934b), § N11.
  144. MSHD (1934b), § N11; MSHD (1934c), § N11.
  145. MSHD (1936a), § J13.
  146. MSHD (1938b), § J13; MSHD (1939a), § J13.
  147. MSHD (1936a), §§ K11.
  148. 1 2 MSHD (1936a), §§ K11, L9, L10.
  149. MSHD (1939a), § L10; MSHD (1939b), § L10.
  150. Michigan Department of Transportation (April 24, 2012). "Contract Number 2012-0366". Michigan Department of Transportation. Archived from the original on January 5, 2013. Retrieved May 7, 2012.
  151. MSHD (1936b), §§ G13–H13;
  152. MSHD (1961), §§ G13–H13; MSHD (1961), §§ G13–H13.
  153. MSHD (1936a), §§ B1–B11.
  154. MSHD (1941a), §§ B1–B11; MSHD (1941c), §§ B1–B11.
  155. MSHD (1935b), § I9; MSHD (1936a), § I9.
  156. MSHD (1958), § I9; MSHD (1960), § I9.
  157. 1 2 3 4 5 6 7 8 Truscott, John (September 24, 1998). "MDOT Accepts Responsibility for 120 Miles of Local Roads" (Press release). Michigan Department of Transportation. Archived from the original on March 15, 2007. Retrieved August 26, 2008.
  158. Berres, Mike (September 19, 1985). "Fayette Road to Get Face Lift". Daily Press. Escanaba, MI.
  159. Michigan Department of Transportation & V3 Consultants (February 13, 2001). "Mackinac County" (Map). Right-of-Way File Application. Scale not given. Lansing: Michigan Department of Transportation. Sheet 76.{{cite map}}: CS1 maint: numeric names: authors list (link)
  160. "Half of Federal Loan to Be Spent On U.P. Highways". The Daily Mining Journal. Marquette, Michigan. October 28, 1932. p. 5. Retrieved March 2, 2023 via Upper Peninsula Digital Network.
  161. "State Turns Over Highways: Notice Received by County of Road Transfers". The Escanaba Daily Press. July 27, 1939. p. 7. Retrieved June 11, 2019 via Newspapers.com.
  162. MSHD (1940b), § G9; MSHD (1940c), § G9.
  163. MSHD (1932b), § L11; MSHD (1933a), § L11.
  164. MSHD (1932a), § C3; MSHD (1933a), § Ce.
  165. 1 2 MSHD (1935a), § E5; MSHD (1935b), § E5.
  166. 1 2 MSHD (1939a), § E5; MSHD (1939b), § E5.
  167. MSHD (1949a), § F9.
  168. MSHD (1933b).
  169. Michigan Department of Transportation (July 2005). "Leelanau County" (Map). Right-of-Way File Application. Scale not given. Lansing: Michigan Department of Transportation. Sheets 43-1 through 45A.
  170. MSHD (1935b), § N8; MSHD (1936a), § N8.
  171. 1 2 "Michiana Parkway Will Benefit Region". South Bend Tribune. October 6, 2002. OCLC 8793233. Archived from the original on October 20, 2012. Retrieved April 29, 2009.
  172. MSHD (1935a).
  173. MSHD (1936a), §§ G10–G11, G13–H13.
  174. MSHD (1939a), §§ G10–G11; MSHD (1939b), §§ G10–G11.
  175. Baird, Thomas (January 31, 2006). "Early Modern Highways in Leelanau". Leelanau Post. Archived from the original on July 4, 2008. Retrieved February 15, 2008.
  176. State Administrative Board (February 20, 2007). "State Administrative Board Resolutions, 1940–Present". Lansing: State of Michigan. p. 49. OCLC 85834636. Retrieved January 1, 2023 via Library of Michigan Digital Repository.
  177. MSHD (1933a), § K10; MSHD (1933b), § K10.
  178. MSHD (1939a), § K10; MSHD (1939b), § K10.
  179. Michigan Department of Transportation (June 27, 1966). "Cheboygan County" (PDF) (Map). Right-of-Way File Application. Scale not given. Lansing: Michigan Department of Transportation. Sheet 63. Retrieved June 8, 2008.
  180. MSHD (1960), §§ J7–J8; MSHD (1961), §§ J7–J8.
  181. MDSH (1970), §§ J7–J8; MDSH (1971), §§ J7–J8.
  182. MSHD (1934b), § L10; MSHD (1934c), § L10.
  183. MSHD (1953a), § L10; MSHD (1953b), § L10.
  184. 1 2 "Lawrence Street Change" (Map). The News-Palladium. Benton Harbor, MI. May 3, 1956. § 2, p. 1. OCLC 10117334. Retrieved November 9, 2015 via Newspapers.com.
  185. MSHD (1935a), §§ N8–N9; MSHD (1935b), § §§ N8–N9.
  186. MSHD (1936a), §§ L13–M13.
  187. MSHD (1963), §§ L13–M13; MSHD (1964), §§ L13–M13.
  188. MSHD (1945a), § C11; MSHD (1945b), § C11.
  189. Lloyd, Eric D. (October 30, 2015). "Community Ready for M-231 Grand Opening". Walker, MI: WZZM-TV. Retrieved October 30, 2015.
  190. Reimink, Troy (September 19, 2012). "Long-Awaited Bridge Work Begins Yet This Year on M-231 Near Grand Haven". The Grand Rapids Press. Archived from the original on October 17, 2011. Retrieved July 19, 2012.
  191. MSHD (1963), § N7; MSHD (1964), § N7.
  192. MSHD (1961), § J12; MSHD (1962), § J12.
  193. 1 2 Michigan Department of State Highways (1975). Proposed M-275, Oakland County. Lansing: Michigan Department of State Highways.
  194. "North–South Corridor? As State Prioritizes Projects, Answer Needed on West Oakland Route". Spinal Column Newsweekly. West Bloomfield, MI. May 1, 1985.
  195. Barrett, Malachi (January 8, 2019). "Kalamazoo Accepts Control of State Trunklines Spanning City". MLive. Booth Newspapers. Retrieved April 23, 2019.
  196. Barrett, Malachi (January 8, 2019). "Kalamazoo Accepts Control of State Trunklines Spanning City". MLive. Booth Newspapers. Retrieved April 23, 2019.
  197. Garner, Dawn (November 9, 2005). "MDOT and City of Marquette Complete Jurisdictional Transfer" (Press release). Michigan Department of Transportation. Archived from the original on December 12, 2008. Retrieved July 31, 2008.
  198. 1 2 3 4 5 6 7 8 9 10 11 12 13 Michigan Department of Natural Resources (July 19, 2018). Belle Isle Park Strategic Management Plan (PDF). Michigan Department of Natural Resources. pp. 12, 21, 63. Retrieved October 4, 2022.
  199. 1 2 MDSH (1967), §§ I12–J12; MDSH (1968), §§ I12–J12.
  200. MSHD (1945a), § M12. MSHD (1945b), § M12;
  201. MSHD (1956a), § M12; MSHD (1956b), § M12.
  202. MSHD (1948b), §§ K12–K13; MSHD (1949a), §§ K12–K13.
  203. MSHD (1945a), Grand Rapids inset; MSHD (1945b), Grand Rapids inset.
  204. 1 2 3 MSHD (1953a), Grand Rapids inset; MSHD (1953b), Grand Rapids inset.
  205. MDSHT (1974), Grand Rapids inset; MDSHT (1975), Grand Rapids inset.
  206. MSHD (1940b), § L13; MSHD (1940c), § L13.
  207. MSHD (1963), § L13; MSHD (1964), § L13.
  208. MSHD (1935a), § C9; MSHD (1936a), § C9.
  209. MSHD (1953a), § C9; MSHD (1953b), § C9.
  210. MSHD (1958), § C5.
  211. MDSHT (1975), Marquette inset; MDSHT (1976), Marquette inset.
  212. MDOT (1982), Marquette inset; MDOT (1983), Marquette inset.
  213. "Open Bypass at Grand Ledge". The Grand Rapids Press. November 14, 1959. p. 13.
  214. MDSH (1968), § L10; MDSH (1969), § L10.
  215. 1 2 MDSH (1969), Grand Rapids inset; MDSH (1970), Grand Rapids inset.
  216. MSHD (1962), § K12; MSHD (1963), § K12.
  217. MDSHT (1974), § K12; MDSHT (1975), § K12.
  218. MSHD (1949b), § H10; MSHD (1950a), § H10.
  219. MSHD (1961), § H10; MSHD (1962), § H10.
  220. MSHD (1933a), § M11; MSHD (1933b), § M11.
  221. MSHD (1934b), § M11; MSHD (1934c), § M11.
  222. MSHD (1956b), Niles inset; MSHD (1957a), Niles inset.
  223. MDSH (1971), § H11; MDSH (1972), § H11.
  224. MDSH (1973), § H11; MDSHT (1974), § H11.
  225. MSHD (1936a), Lansing inset.
  226. MSHD (1950a), Lansing inset; MSHD (1950b), Lansing inset.
  227. MSHD (1963), § L10–L11; MSHD (1964), § L10–L11.
  228. MDSH (1970), Lansing inset; MDSH (1971), Lansing inset.
  229. MSHD (1938a), § K13; MSHD (1938b), § K13.
  230. MSHD (1955b), § K13; MSHD (1956a), § K13.
  231. MDOT (2015b), full map.
  232. Michigan Department of Information Technology (August 1, 2006). "Appendix C: State Trunkline Connector Routes" (PDF). Michigan Geographic Framework (6th ed.). Michigan Department of Information Technology. Archived from the original (PDF) on March 10, 2007. Retrieved January 28, 2016.
  233. 1 2 3 4 5 6 7 8 9 10 11 12 13 Michigan Department of Information Technology (May 15, 2007). "Appendix C: State Trunkline Connector Routes". Michigan Geographic Framework (7th ed.). Michigan Department of Information Technology.
  234. Michigan Department of Information Technology (May 1, 2008). "Appendix C: State Trunkline Connector Routes" (PDF). Michigan Geographic Framework (8th ed.). Michigan Department of Information Technology. Archived from the original (PDF) on December 12, 2008. Retrieved October 15, 2008.
  235. Michigan Department of Information Technology (March 15, 2015). "Appendix C: State Trunkline Connector Routes". Michigan Geographic Framework (15th ed.). Michigan Department of Information Technology.
  236. MDSH (1968), Detroit and Vicinity inset, § E9; MDSH (1969), Detroit and Vicinity inset, § E9.
  237. Brown, Warren (February 4, 1990). "Home of the American Auto Finds Reuther Freeway a Mixed Blessing". The Washington Post. p. H2. ISSN 0740-5421. OCLC 9965758. Retrieved May 25, 2023.
  238. 1 2 MDSH (1973), Detroit and Vicinity inset, § H6–A12; MDSHT (1974), Detroit and Vicinity inset, § H6–A12.
  239. 1 2 MDSH (1973), Port Huron inset; MDSHT (1974), Port Huron inset.
  240. MSHD (1963), § L14; MSHD (1964), § L14.
  241. MDOT (2003b), Adrian inset; MDOT (2004b), Adrian inset.
  242. 1 2 MDSH (1966), § K13–K14; MDSH (1967), § K13–K13.
  243. 1 2 MSHD (1956a), § N13; MSHD (1956b), § N13.
  244. MSHD (1956a), § M13–M14; MSHD (1956b), § M13–M14.
  245. MDOT (1984), Lansing inset; MDOT (1985), Lansing inset.
  246. 1 2 MSHD (1963), Detroit Metropolitan Area inset, § B2, E2; MSHD (1964), Detroit Metropolitan Area inset, § B2, E2.
  247. Michigan Department of Transportation & JCK and Associates (October 22, 2001). Right-of-Way Maps for Ottawa County (Map). Scale not given. Lansing: Michigan Department of Transportation. Sheet 40.
  248. 1 2 MSHD (1965), § N13; MDSH (1966), § N13.
  249. Michigan Department of Transportation (August 29, 2007). "Ingham County" (PDF) (Map). Right-of-Way File Application. Scale not given. Lansing: Michigan Department of Transportation. Sheet 180. OCLC 12843916. Retrieved October 15, 2008.

Works cited

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