Interstate 80 marker

Interstate 80

  • Keystone Shortway
  • Z.H. Confair Memorial Highway
I-80 highlighted in red
Route information
Maintained by PennDOT and DRJTBC
Length311.12 mi[1] (500.70 km)
NHSEntire route
Major junctions
West end I-80 at the Ohio state line in Shenango Township
Major intersections
East end I-80 at the New Jersey state line at the Delaware River
Location
CountryUnited States
StatePennsylvania
CountiesMercer, Venango, Butler, Clarion, Jefferson, Clearfield, Centre, Clinton, Union, Northumberland, Montour, Columbia, Luzerne, Carbon, Monroe
Highway system
← PA 79→ PA 80

Interstate 80 (I-80) in the US state of Pennsylvania runs for 311.12 miles (500.70 km) across the central part of the state. It is designated as the Keystone Shortway and officially as the Z.H. Confair Memorial Highway. This route was built mainly along a completely new alignment, not paralleling any earlier US Routes, as a shortcut to the tolled Pennsylvania Turnpike to the south and New York State Thruway to the north. It does not serve any major cities in Pennsylvania and is mainly a cross-state route on the Ohio–New York City corridor. Most of I-80's path across the state goes through hilly and mountainous terrain, while the route passes through relatively flat areas toward the western part of the state.

I-80 serves many smaller cities in central to northern Pennsylvania, including Sharon, Clarion, DuBois, Bellefonte, Lock Haven, Milton, Bloomsburg, Hazleton, and Stroudsburg. It also passes close but never into four slightly larger cities: Williamsport, State College, Scranton, and Wilkes-Barre.

Route description

Western Pennsylvania

From the state of Ohio, I-80 enters the Western Pennsylvania area which encompasses Mercer, Venango, Butler, Clarion, Jefferson, and Clearfield counties. This segment crosses the Allegheny Plateau. In Mercer County, I-80 intersects I-376 (serving Pittsburgh International Airport and Downtown Pittsburgh) in Shenango Township and I-79 (serving Erie to the north and Pittsburgh to the south) in Findley Township. I-80 spends less than 3 miles (4.8 km) in Butler County, and has no exits in it. It crosses the Allegheny River on the Emlenton Bridge near Emlenton.

Jefferson County at milemarker 73 is known for Punxsutawney, the location of the famous groundhog Punxsutawney Phil who predicts the weather on Groundhog Day. In Clearfield County, I-80 passes by DuBois at milemarker 101, and crosses the Eastern Continental Divide at a shallow ridge just east of DuBois.

Sign noting the highest point on I-80 east of the Mississippi River located in Clearfield County

East of exit 111, in Moshannon State Forest, I-80 reaches its highest elevation east of the Mississippi River, 2,250 feet (690 m). A sign prominently displays this fact about the Interstate. It then descends to cross the West Branch Susquehanna River.

North-Central Pennsylvania

I-80 enters Centre County around milemarker 138. I-80 descends Allegheny Mountain into the Nittany Valley, intersecting Future I-99/U.S. Route 220 (US 220) at exit 161, the main connecting point to the Pennsylvania Turnpike (I-70/I-76), Pennsylvania State University, and State College. US 220 is concurrent between exits 161 and 178 where it heads toward Lock Haven, home to Lock Haven University of Pennsylvania.

I-80 then ascends Sugar Valley Mountain and then follows White Deer Creek down to the West Branch Susquehanna River, which I-80 crosses a second time. Around milemarker 191, Pennsylvania Route 880 (PA 880) follows a parallel alignment within the median between the eastbound and westbound lanes for a half-mile (0.80 km), an unusual arrangement in Pennsylvania. It is common to see horse-drawn carriages from the nearby Amish communities traveling this highway-within-a-highway.

At milemarker 199, I-80 approaches the Williamsport area in Lycoming County, where the venue of the Little League World Series is located, while passing through Union County. I-80 intersects US 15 at exit 210.

Northeastern Pennsylvania

I-80 from an overpass in Hemlock Township, Columbia County

I-80 enters Northeastern Pennsylvania and proceeds from Northumberland County in the west to the Pennsylvania-New Jersey border in the east. I-80 intersects PA 147 at exit 212. In Montour County at milemarker 224, it approaches the Bloomsburg area, home to Bloomsburg University of Pennsylvania, where it crosses the North Branch Susquehanna River. At exit 260, a connection can be made via I-81 to Harrisburg to the south and Wilkes-Barre and Syracuse, New York, to the north.

The highway continues east into the Pocono Mountains region, which is home to ski resort areas. I-80 intersects I-476, the Pennsylvania Turnpike Northeast Extension, at exit 277 in Carbon County for connections to Allentown and Philadelphia to the south. Exit 277 also serves PA 940 and Hickory Run State Park. Just east of I-476, I-80 crosses into Monroe County. Exit 284 connects to PA 115 near Blakeslee and Lake Harmony. Exit 293 is an interchange with I-380 near Pocono Pines for a connection to I-84 to New England and Scranton toward the north. Between exits 293 and 298, there is a rest area on the eastbound side with public restrooms and picnic tables but no food or gas.

I-80 eastbound in East Side

Around exit 298, I-80 approaches the Stroudsburg and East Stroudsburg areas in the eastern Pocono Mountains, a more suburban and populated region home to East Stroudsburg University of Pennsylvania. Stroudsburg is also the county seat for Monroe County. PA 611 follows I-80 closely through the area between exits 298 and 310, acting as a local alternative. Exit 298 is only a westbound exit and eastbound entrance, connecting to PA 611 in Scotrun. Exit 299 serves PA 715 in Tannersville, as well as a local outlet mall. Exit 302 on the eastbound side and exit 304 on the westbound side connect to PA 33 and US 209, which connect to Easton and Allentown toward the south. Exit 302 in both directions also serves PA 611 in Bartonsville. I-80 and US 209 are concurrent with each other through most of Stroudsburg and East Stroudsburg, between exits 304 and 309. Exit 303 is an only eastbound exit and westbound entrance that connects to PA 611 (signed as Ninth Street), serving Arlington Heights. Exits 305, 306, and 307 all serve downtown Stroudsburg, with exit 305 serving US 209 Business and exit 307 serving PA 611 and PA 191, the three main local thoroughfares through the Stroudsburg. Exit 308 serves downtown East Stroudsburg and East Stroudsburg University of Pennsylvania.

I-80 splits with US 209 at exit 309, which also serves PA 447. Shortly after at exit 310 (the easternmost interchange in Pennsylvania), PA 611 intersects I-80 for the last time before starting its southerly route down the Delaware River, gradually moving away from I-80. I-80 continues east into the Delaware Water Gap, entering the state of New Jersey via the Delaware Water Gap Toll Bridge, with eastbound signage pointing toward New York City.

History

I-80 eastbound at I-380 exit near Pocono Pines

The corridor now served by I-80 was originally to be a branch of the Pennsylvania Turnpike from Sharon to Stroudsburg. Planning was shifted to the Pennsylvania Department of Highways in 1956 with the passage of the National Interstate and Defense Highways Act.

In early plans for the Interstate Highway System, the connection across Northern Pennsylvania would have paralleled US 6N and US 6 from what became I-90 near West Springfield east to Scranton. East of Scranton, I-84 was built parallel to US 6. From Scranton, a route went southeast along US 611 to the Stroudsburg area and then east along US 46 to near New York City.

On May 22, 1957, a request by Pennsylvania to move the corridor south was approved by the Federal Highway Administration (FHWA).[2] (The Scranton–Stroudsburg connection was kept, and the new alignment merged with it west of Stroudsburg. However, when the initial numbers were assigned later that year, they were drawn on a 1947 map, and so the corridor across Northern Pennsylvania became part of I-84, while the Scranton–New York route became I-82. I-80 ran along the Pennsylvania Turnpike to Harrisburg, where it split into I-80S to Philadelphia and I-80N to New York.[3] This was corrected the following year when the Keystone Shortway became part of I-80, the turnpike west of Harrisburg became I-80S (later I-76), and I-80N became I-78. I-84 was truncated to Scranton, and the Scranton–Stroudsburg connection became I-81E (later renumbered I-380).[4]

The first section of present I-80 to open was the Delaware Water Gap Toll Bridge, opened December 16, 1953. This had been built as part of US 611 and connected back to its old alignment soon after crossing into Pennsylvania. Construction on the rest of I-80 began in 1959 and was completed in 1970.

In 1993, exit 43 (now exit 284) of I-80, which serves the Pocono Raceway, was designated the Richard Petty Interchange in honor of the NASCAR driver that drove the #43 car.[5][6]

On March 7, 2011, the supporting wall on the eastbound I-80 bridge over Sullivan Trail in Tannersville collapsed from snow and rain. As a result, eastbound I-80 was reduced to one lane and Sullivan Trail was closed.[7]

On July 10, 2014, a criminal rock throwing incident known as the I-80 rock throwing took place along I-80 in Union County, critically injuring and permanently disfiguring a passenger. Four local youths were responsible.[8]

On December 18, 2020, a snow squall caused an accident on this highway that generated a massive pileup of 66 vehicles (mainly trucks). One person was killed on the scene and at least 43 others were injured. One other person later died from injuries. Eastbound lanes in Clinton County were closed due to the accident and Governor Tom Wolf and the Pennsylvania Department of Transportation (PennDOT) held a press conference discussing the accident.[9]

Toll proposal

I-80 westbound past PA 33 in Bartonsville

In response to Act 44, which requires the Pennsylvania Turnpike Commission (PTC) to provide funding to PennDOT for transportation projects, in June 2007, the PTC proposed tolling I-80 as a means of raising revenue. It sought the permission to put tolls on the highway through an FHWA pilot program that allowed three states to place tolls on Interstates. Missouri and Virginia had already taken two of the spots.[10] Under the plan, the PTC would assume all maintenance and toll-taking operations on I-80.

The plan called for up to 10 toll plazas along the length of I-80 in Pennsylvania with a toll rate of $0.08 per mile ($0.050/km), which would have been comparable to the rate on the Pennsylvania Turnpike following a projected toll increase.[11] Currently, the only toll on I-80 in Pennsylvania is the westbound toll at the Delaware Water Gap Toll Bridge between Pennsylvania and New Jersey.[12] On October 15, 2007, the lease for the PTC to toll I-80 was signed,[11] and tolls were to be implemented by 2010.[13]

This plan faced opposition from Northeastern Pennsylvania politicians who feared tolls would hurt the economy in the region[14] and who did not want their tolls going toward funding mass transit. Representatives John E. Peterson and Phil English proposed a federal transportation bill that would ban the tolling of I-80. The chief executive officer of the PTC promised that the tolls would be used on highway projects in Pennsylvania and not on mass transit.[15] On December 12, 2007, the FHWA rejected the plan and returned Pennsylvania's application for tolling I-80 with "fourteen items identified as insufficient by the FHWA", including a statement that revenue from tolls on I-80 was proposed to be used for purposes other than maintenance of I-80, contrary to the FHWA program requirements.[10][16]

On September 11, 2008, the FHWA rejected Pennsylvania's application to toll I-80 a second time, stating: "There is simply no evidence that the lease payments [by the Turnpike Authority] are related to the actual costs of acquiring an interest in the facility."[17] On April 6, 2010, the FHWA rejected the application for the third time, with the statement: "We based today's decision on what is allowable under federal law. The Interstate System Reconstruction and Rehabilitation Pilot Program requires that revenue from tolls be used only to improve the tolled facility, in this case I-80, and not be directed toward other state funding needs or transportation projects elsewhere in the state, as is the case in the Pennsylvania application."[18]

Future

I-99 interchange

PennDOT has plans to build a high-speed interchange connecting I-99 to I-80 near Bellefonte. The new interchange will eliminate local access between PA 26 (Jacksonville Road) and I-80, which will be provided by a new exit two miles (3.2 km) to the east. The first phase of the project built the local access interchange between PA 26 and I-80. Construction on the local access interchange began on July 27, 2020. The local access interchange was opened to traffic on November 10, 2022, with a ribbon-cutting ceremony held.[19][20] The local access interchange between PA 26 and I-80 was funded in part by a $35-million federal grant, with a total estimated cost of $52 million. The second phase of the project will make improvements to Jacksonville Road between the new interchange and the junction between I-80, and the third phase will build the high-speed interchange between I-80 and I-99. Bidding on the second and third phases was planned to begin in March 2022, with the improvements to Jacksonville Road to be finished by December 2023 and the high-speed interchange to be completed by December 2025.[21] However, the bids for the other phases have not been released as of May 2023.[19]

Stroudsburg widening

I-80 eastbound in Stroud Township

Due to increasing suburbanization and a rapidly increasing population in the Stroudsburg area, I-80 is to be widened to three lanes in each direction from its current two between I-380 (exit 293) in Pocono Pines and the Delaware Water Gap Bridge (New Jersey state line). The project had a completion date of 2023, has been approved by PennDOT and the US Department of Transportation (USDOT), and is in the final design phase. The project will widen I-80 to three lanes in each direction between exit 298 and exit 308, as well as reconstruct all interchanges included in this part of the project. This section of road was built in the 1950s and is one of the oldest stretches of Interstate Highway in the US, starting out as a simple bypass of Stroudsburg for US 209 before becoming part of I-80. It has one of the highest accident rates in Pennsylvania due to major issues such as most entrances not having acceleration lanes, multiple overpasses that are structurally deficient, and shoulders that are as narrow as a tenth the required length for Interstate Highways.[22] Exits 304 and 305 on the westbound side are close together that they are only a half of the length apart required between exits, according to Interstate standards.[23] Exits 298, 303, and 306 all do not provide full access. I-80 is a designated route so that the lanes have to be open during construction. In addition, this stretch of highway has large local usage, with 48 percent of drivers that enter at exit 307 getting off at either exit 306, 305, or 304 so most of the current connections must be preserved to prevent local opposition.[22]

All of the details of the project include widening I-80 to three lanes in each direction between exit 298 and exit 308 and rebuilding exits 298, 303, 306, 307, and 308. Exits 307 and 308 will both be reconstructed, and no minor improvements allowed.[24]

Exit list

CountyLocationmikmOld exit
[25]		New exit
[25]		DestinationsNotes
MercerShenango Township0.000.00––
 I-80 west – Youngstown		Continuation into Ohio
4.006.4414


 I-376 east / PA 760 north to PA 18 – New Castle, Sharon, Hermitage		Split into exits 4A (I-376) and 4B (PA 760);
exit 1 on I-376; western terminus of I-376, southern terminus of PA 760; access to West Middlesex and Farrell
East Lackawannock Township14.9023.98215 US 19 – MercerAccess to Thiel College and Westminster College
Findley Township19.1030.74–19 I-79 – Pittsburgh, ErieSplit into exits 19A (south) and 19B (north); exit 116 on I-79
Worth Township23.7038.143A24 PA 173 – Grove City, Sandy LakeAccess to Grove City College
VenangoBarkeyville28.9046.51329 PA 8 – Franklin, Oil City, BarkeyvilleAccess to Butler
Clinton Township34.7055.84435 PA 308 – Clintonville
Scrubgrass Township41.9067.43542 PA 38 – Emlenton
Butler
 No major junctions
Allegheny River44.3071.29Emlenton Bridge
ClarionRichland Township45.7073.55645 PA 478 – Emlenton, St. PetersburgWestbound ramps are via PA 38 / PA 208; access to Foxburg
Beaver Township53.5086.10753
 To PA 338 – Knox		Access via Canoe Ripple Road
Paint Township60.1096.72860
 PA 66 north – Shippenville		West end of concurrency with PA 66; access to Cook Forest State Park and Allegheny National Forest
Monroe Township61.9099.62962 PA 68 – ClarionAccess to Clarion University
Clarion Township64.50103.801064
 PA 66 south – Clarion, New Bethlehem		East end of concurrency with PA 66; access to Clarion University
70.30113.141170 US 322 – Strattanville
JeffersonUnion Township72.90117.321273 PA 949 – Corsica
Brookville78.30126.011378

 PA 36 / PA 28 Truck south – Sigel, Brookville		West end of concurrency with PA 28 Truck; access to Cook Forest State Park and Punxsutawney
Pine Creek Township81.10130.521481 PA 28 – HazenEast end of concurrency with PA 28 Truck
Winslow Township86.40139.051586ReynoldsvilleAccess via Fuller Road
90.60145.81–90
 PA 830 east – DuBois Regional Airport		Western terminus of PA 830
ClearfieldSandy Township96.40155.141697 US 219 – DuBois, BrockwayAccess to Allegheny National Forest
100.90162.3817101 PA 255 – DuBois, Penfield
Pine Township110.40177.6718111 PA 153 – Clearfield, PenfieldClearfield signed eastbound; Penfield signed westbound
Lawrence Township119.40192.1619120 PA 879 – Clearfield, Shawville
Bradford Township122.70197.4720123 PA 970 – Woodland, ShawvilleShawville signed westbound
Cooper Township132.60213.4021133 PA 53 – Kylertown, PhilipsburgAccess to Black Moshannon State Park
CentreSnow Shoe147.00236.5722147
 To PA 144 – Snow Shoe		Access via local roads
Boggs Township157.40253.3123158 PA 150 (US 220 Alt. south) – MilesburgWest end of concurrency with US 220 Alt.; access to Bald Eagle State Park and Black Moshannon State Park
Spring Township160.20257.8224161

 I-99 south / US 220 south / PA 26 – Bellefonte		East end of concurrency with US 220 Alt.; west end of concurrency with US 220; future I-99 south; access to State College and Penn State University
Marion Township163.4263.0–163

 To PA 26 north – Jacksonville, Howard		Opened on November 10, 2022[19]
ClintonPorter Township172.70277.9325173 PA 64 – Lamar
Lamar Township177.50285.6626178
 Future I-99 north / US 220 – Lock Haven		East end of concurrency with US 220; Future I-99 north; access to Williamsport and Lock Haven University
Greene Township185.20298.0527185 PA 477 – LogantonAccess to R. B. Winter State Park
191.90308.8328192
 To PA 880 – Jersey Shore		Access via East Valley Road
UnionWest Buffalo Township198.90320.1029199Mile RunAccess via Mile Run Road; access to Bald Eagle State Forest
White Deer Township209.70337.4830210 US 15 – Lewisburg, WilliamsportSigned as exits 210A (south) and 210B (north); access to Sunbury, Bucknell University, Reptiland, and Little League Museum
NorthumberlandMilton211.40340.2231212

 I-180 west / PA 147 south – Williamsport, Milton		Split into exits 212A (PA 147) and 212B (I-180);
Eastern terminus of I-180, northern terminus of PA 147
East Chillisquaque Township214.80345.6932215 PA 254 – Limestoneville
MontourValley Township223.50359.6933224 PA 54 – DanvilleAccess to Shamokin, Mount Carmel, and Sunbury
ColumbiaHemlock Township231.70372.8934232 PA 42 – Buckhorn
Bloomsburg235.30378.6835236 PA 487 – Lightstreet, BloomsburgSplit into 236A (north) and 236B (south) westbound; access to Bloomsburg University
South Centre Township240.20386.5636241 US 11 – Lime Ridge, Berwick
Main Township241.40388.5037242 PA 339 – Mifflinville, Mainville
LuzerneSugarloaf Township255.50411.1938256 PA 93 – Nescopeck, ConynghamAccess to Penn State Hazleton
Butler Township259.20417.14–260
 I-81 to I-84 – Harrisburg, Wilkes-Barre, New England		Split into exits 260A (south) and 260B (north); exit 151 on I-81; I-84 and New England signed eastbound
262.10421.8139262 PA 309 – Mountain Top, HazletonAccess to Nescopeck State Park and Eckley Miners' Village
White Haven273.00439.3540273 PA 940 / PA 437 – White Haven, Freeland
CarbonKidder Township274.50441.7641274 PA 534 – Hickory Run State Park
277.20446.1142277 I-476 / Penna Turnpike NE Extension / PA 940 – Wilkes-Barre, AllentownExit 95 (Pocono) on I-476 / Penna Turnpike NE Extension; access to Lake Harmony
MonroeBlakeslee284.00457.0543284 PA 115 – BlakesleeAccess to Wilkes-Barre, Jack Frost–Big Boulder Ski Resort, and Pocono Raceway
Pocono Pines293.60472.50–293
 I-380 north – Scranton		Southern terminus of I-380; exit 1 on I-380; access to Kalahari Resort
Scotrun298.00479.5844298 PA 611 – ScotrunWestbound exit and eastbound entrance; access to Mount Pocono and Camelback Mountain Resort
Tannersville298.90481.0345299 PA 715 – TannersvilleWestbound entrance via Sullivan Trail; access to Pocono Premium Outlets, Camelback Mountain Resort, and Big Pocono State Park
Bartonsville302.80487.3146302A


 PA 33 south to US 209 south – Snydersville		Eastbound exit and westbound entrance; other connections via exit 304; access to Lehighton and Easton
302B PA 611 – BartonsvilleSigned as exit 302 westbound
Arlington Heights304.90490.6947303Ninth Street (PA 611)Eastbound exit and westbound entrance
Stroudsburg305.50491.6546A304


 US 209 south to PA 33 south – Snydersville		Westbound exit and eastbound entrance; other connections via exit 302A. Western end of concurrency with US 209; access to Lehighton and Bethlehem
305.60491.8248305
 US 209 Bus. (Main Street)
306.00492.4649306Dreher AvenueWestbound exit and eastbound entrance
307.00494.0750307
 PA 611 (Park Avenue) to PA 191		Eastbound exit and entrance

 PA 191 (Broad Street) to PA 611		Westbound exit and entrance
East Stroudsburg308.00495.6851308East StroudsburgAccess via Prospect Street; access to East Stroudsburg University
309.50498.0952309

 US 209 north / PA 447 north – Marshalls Creek		Eastern end of concurrency with US 209; access to Shawnee Mountain Ski Area and Bushkill Falls
Delaware Water Gap310.50499.7053310 PA 611 – Delaware Water Gap, Welcome CenterAccess via Foxtown Hill Road
311.00500.51Toll plaza (westbound only)
Accepts E-ZPass and cash
Delaware River311.07500.62Delaware Water Gap Toll Bridge
––
 I-80 east – New Jersey, New York City		Continuation into New Jersey
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. ↑ "Table 1: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. December 31, 2021. Retrieved June 26, 2022.
  2. ↑ Ask the Rambler - Was I-76 Numbered to Honor Philadelphia for Independence Day, 1776?
  3. ↑ Official Route Numbering for the National System of Interstate and Defense Highways as Adopted by the American Association of State Highway Officials, August 14, 1957
  4. ↑ Official Route Numbering for the National System of Interstate and Defense Highways as Adopted by the American Association of State Highway Officials, Approved June 27, 1958
  5. ↑ SENATE BILL No. 432, General Assembly of Pennsylvania, 1993, retrieved March 6, 2011
  6. ↑ Frassinelli, Mike (June 28, 1995). "Racer Petty To Be Honored At Exit 43 Introducing 43, An Interstate 80 Exit Named For Petty". The Morning Call. Allentown, PA. Archived from the original on July 14, 2011. Retrieved March 6, 2011.
  7. ↑ Medgle, Raegan (March 7, 2011). "I-80 Bridge Collapse". WNEP-TV. Archived from the original on July 18, 2011. Retrieved March 8, 2011.
  8. ↑ Beauge, John (December 3, 2014). "Gag order sought in I-80 rock-throwing case in which Ohio woman was injured". The Patriot News. Retrieved April 23, 2015.
  9. ↑ "66-vehicle pile-up on I-80 in Clinton County leaves one dead, another dies of medical issue". December 17, 2020.
  10. 1 2 Nussbaum, Paul (December 14, 2007). "I-80 toll plan is kicked back". The Philadelphia Inquirer.
  11. 1 2 Nussbaum, Paul (October 17, 2007). "I-80 toll plans moving forward". The Philadelphia Inquirer.
  12. ↑ "Senate Transportation Committee". Pennsylvania Turnpike Commission. Retrieved July 13, 2007.
  13. ↑ "Transportation Funding". WHP-TV. Retrieved July 19, 2007.
  14. ↑ Nussbaum, Paul (October 2, 2007). "Interest to lease turnpike is broad". The Philadelphia Inquirer. Retrieved August 13, 2016.
  15. ↑ Nussbaum, Paul (October 4, 2007). "I-80 tolls not for mass transit". The Philadelphia Inquirer.
  16. ↑ "REJECTED: Application to Toll I-80 (Press Release)". Commonwealth Foundation. December 13, 2007. Retrieved January 3, 2020.
  17. ↑ "Federal Highway Administration press release, September 11, 2008". Fhwa.dot.gov. January 16, 2018. Archived from the original on April 2, 2009. Retrieved April 4, 2018.
  18. ↑ "Federal Highway Administration press release, April 6, 2010". Fhwa.dot.gov. Retrieved April 4, 2018.
  19. 1 2 3 Sinderson, Gary (November 10, 2022). "First phase of Interstate 99/I-80 interchange project complete". WJAC. Retrieved May 5, 2023.
  20. ↑ Kines, Halie (November 11, 2022). "After a 'long road,' the first phase of the Jacksonville Road project is open in Centre County". Centre Daily Times. Retrieved November 15, 2022.
  21. ↑ "PennDOT Details New Local Access Tied to I-80/I-99 Interchange Project". Centre County Gazette. March 1, 2019. Archived from the original on March 1, 2019. Retrieved March 2, 2019.
  22. 1 2 "Purpose and Need". I-80 Project. Retrieved November 25, 2019.
  23. ↑ "Interstate Highway Standards" (PDF). AASHTO. Retrieved November 25, 2019.
  24. ↑ "I-80 Project". i80project.com. Retrieved October 1, 2019.
  25. 1 2 "Pennsylvania Exit Numbering" (PDF). Pennsylvania Department of Transportation. Retrieved October 2, 2007.
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