M-103 marker

M-103

M-103 highlighted in red
Route information
Maintained by MDOT
Length3.055 mi[1] (4.917 km)
Existedby 1960[2][3]–present
Major junctions
South end SR 15 near Bristol, IN
North end US 12 at Mottville
Location
CountryUnited States
StateMichigan
CountiesSt. Joseph
Highway system
← M-102→ M-104

M-103 is a state trunkline highway entirely within St. Joseph County in the southwestern region of the U.S. state of Michigan. The trunkline runs between U.S. Highway 12 (US 12) in Mottville and the Indiana state line along undivided highway near the St. Joseph River. With the connection to State Road 15 (SR 15), it provides access to the Indiana Toll Road. The current highway is the second to carry the number; the first version of M-103 has been incorporated into the routing of US 131.

Route description

M-103 is the continuation of SR 15 in Michigan. It starts at State Line Road which runs along the state line east from M-103. From here north to the terminus in Mottville, M-103 parallels the St. Joseph River running through farmlands. South of town, it runs past the Mottville Township Cemetery. Between John and Water streets, M-103 intersects and ends at US 12.[4][5] The highway has not been listed on the National Highway System,[6] a system of roads important to the country's economy, defense and mobility.[7]

The Michigan Department of Transportation (MDOT) tracks traffic volumes along the roads it maintains. These volumes are expressed as the average annual daily traffic (AADT), which is a measurement of the number of vehicles on a stretch of roadway for any average day of the year. For the 2008 survey, traffic volume was 3,604 vehicles per day, with 437 commercial vehicles in the tally. In 2009, the numbers increased to 8,252 vehicles total and 1287 commercial vehicles.[8]

History

M-103 was first designated as a state trunkline in 1932. The first version ran from SR 13 at the state line northerly to the junction with US 112 and US  131 in White Pigeon. At the time, US 131 turned westerly along US 112 before turning south to connect with SR 15.[9][10] This first version of M-103 was completed paved by 1934.[11] The routings of US 131 and M-103 were swapped south of US 12 (successor to US 112) by 1960. Since that time, M-103 has been routed between US 12 and SR 15 in western Mottville Township and US 131 has run due south of White Pigeon to SR 13.[2][3]

Major intersections

The entire highway is in Mottville Township, St. Joseph County.

mi[1]kmDestinationsNotes
0.0000.000
 SR 15 south – Bristol		Indiana state line
3.0554.917 US 12 – Niles, Sturgis
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. 1 2 Michigan Department of Transportation (2021). Next Generation PR Finder (Map). Michigan Department of Transportation. Retrieved October 11, 2021.
  2. 1 2 Michigan State Highway Department (1958). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ N8–N9. OCLC 12701120, 51856742. Retrieved October 17, 2019 – via Michigan History Center. (Includes all changes through July 1, 1958)
  3. 1 2 Michigan State Highway Department (1960). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ N8–N9. OCLC 12701120, 81552576. Retrieved October 17, 2019 – via Michigan History Center. (Includes all changes through July 1, 1960)
  4. ↑ Google (December 13, 2010). "Overview Map of M-103" (Map). Google Maps. Google. Retrieved December 13, 2010.
  5. ↑ Michigan Department of Transportation (2010). Uniquely Michigan: Official Department of Transportation Map (Map). c. 1:975,000. Lansing: Michigan Department of Transportation. § N8. OCLC 42778335, 639960603.
  6. ↑ Michigan Department of Transportation (April 23, 2006). National Highway System, Michigan (PDF) (Map). Scale not given. Lansing: Michigan Department of Transportation. Archived from the original (PDF) on October 4, 2012. Retrieved October 7, 2008.
  7. ↑ Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Federal Highway Administration. Retrieved July 1, 2012.
  8. ↑ Bureau of Transportation Planning (2008). "Traffic Monitoring Information System". Michigan Department of Transportation. Retrieved December 13, 2010.
  9. ↑ Michigan State Highway Department & Rand McNally (October 1, 1932). Official Michigan Highway Map (Map). [c. 1:840,000]. Lansing: Michigan State Highway Department. § N9. OCLC 12701053.
  10. ↑ Michigan State Highway Department & Rand McNally (May 1, 1933). Official Michigan Highway Map (Map). [c. 1:840,000]. Lansing: Michigan State Highway Department. § N9. OCLC 12701053. Archived from the original on May 10, 2017. Retrieved December 18, 2016 – via Archives of Michigan.
  11. ↑ Michigan State Highway Department & Rand McNally (September 1, 1934). Official Michigan Highway Map (Map). [c. 1:850,000]. Lansing: Michigan State Highway Department. § N9. OCLC 12701143.
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