List of U.S. Routes in Pennsylvania

U.S. Route 1 (US 1) is a major north–south U.S. Route, extending from Key West, Florida, in the south to Fort Kent, Maine, at the Canadian border in the north. In the U.S. state of Pennsylvania, US 1 runs for 81 miles (130 km) from the Maryland state line near Nottingham northeast to the New Jersey state line at the Delaware River in Morrisville, through the southeastern portion of the state. The route runs southwest to northeast and serves as a major arterial road through the city of Philadelphia and for many of the suburbs in the Delaware Valley metropolitan area. South of Philadelphia, the road mostly follows the alignment of the Baltimore Pike. Within Philadelphia, it mostly follows Roosevelt Boulevard. North of Philadelphia, US 1 parallels the route of the Lincoln Highway. Several portions of US 1 in Pennsylvania are freeway, including from near the Maryland state line to Kennett Square, the bypass of Media, the concurrency with Interstate 76 and the Roosevelt Expressway in Philadelphia, and between Bensalem Township and the New Jersey state line.

U.S. Route 1 (US 1) is the easternmost and longest of the major north–south routes of the older 1920s era United States Numbered Highway System, running from Key West, Florida, to Fort Kent, Maine. In the U.S. state of Maryland, it runs 81 miles (130 km) from the Washington DC line to the Pennsylvania state line near the town of Rising Sun.

Nottingham is an unincorporated community and census-designated place located in West Nottingham Township in Chester County, Pennsylvania. The community is located at the intersection of U.S. 1 and Pennsylvania Route 272 near the border with East Nottingham Township, a short distance north of the Maryland border. As of 2020, the CDP has a population 1,260.

U.S. Route 1 (US 1) is a U.S. Route which parallels the East Coast of the United States, running from Key West, Florida, in the south to Fort Kent, Maine, at the Canadian border in the north. Of the entire length of the route, 66.06 miles (106.31 km) of it runs through New Jersey. It enters the state from Pennsylvania on the Trenton–Morrisville Toll Bridge over the Delaware River in the state capital of Trenton, running through the city on the Trenton Freeway. From here, US 1 continues northeast as a surface divided highway through suburban areas continuing into Middlesex County and passing through New Brunswick and Edison. US 1 merges with US 9 in Woodbridge, and the two routes continue through northern New Jersey as US 1/9 to the George Washington Bridge over the Hudson River in Fort Lee. At this point, the road continues into New York City along with I-95.

Morrisville is a borough in Bucks County, Pennsylvania, United States. It is located just below the falls of the Delaware River opposite Trenton, New Jersey. The population was 8,728 at the 2010 census.

Port Jervis is a city located at the confluence of the Neversink and Delaware rivers in western Orange County, New York, United States, north of the Delaware Water Gap. Its population was 8,775 at the 2020 census. The communities of Deerpark, Huguenot, Sparrowbush, and Greenville are adjacent to Port Jervis. Matamoras, Pennsylvania, is across the river and connected by the Mid-Delaware Bridge. Montague Township, New Jersey, also borders the city. The Tri-States Monument, marking the tripoint between New York, New Jersey, and Pennsylvania, lies at the southwestern corner of the city.

Erie is a city on the south shore of Lake Erie and the county seat of Erie County, Pennsylvania, United States. Erie is the fifth largest city in Pennsylvania and the largest city in Northwestern Pennsylvania with a population of 94,831 at the 2020 census. The estimated population in 2023 had decreased to 92,743. The Erie metropolitan area, equivalent to all of Erie County, consists of 266,096 residents. The Erie–Meadville combined statistical area had a population of 369,331 at the 2010 census.

Pennsylvania Route 97 is one of two Pennsylvania state highways that carries the PA 97 designation; the other PA 97 is in Adams County. The northern PA 97, 21 miles (34 km) in length, is a north-south highway that terminates at PA 8 at both ends. The southern terminus is in Union City and the northern terminus is in Erie. The Pennsylvania Department of Transportation (PennDOT) internally designates this road SR 0197 to distinguish it from the other PA 97.

Springfield Township is a township in Erie County, Pennsylvania, United States. The population was 3,084 at the 2020 census, down from 3,425 at the 2010 census.

U.S. Route 11 (US 11) roughly parallels Interstate 81 (I-81) in the U.S. state of Pennsylvania. The route runs from the Maryland state line in Antrim Township, Franklin County, northeast to the New York state line in Great Bend Township, Susquehanna County. US 11 serves Harrisburg, Wilkes-Barre, and Scranton. Between Harrisburg and Scranton, US 11 follows the Susquehanna River, while I-81 follows a shorter route over the mountains further to the east.

U.S. Route 11 (US 11) is a part of the United States Numbered Highway System that runs from New Orleans, Louisiana, to Rouses Point, New York. In Maryland, the federal highway runs 12.83 miles (20.65 km) from the West Virginia state line at the Potomac River in Williamsport north to the Pennsylvania state line near Maugansville. US 11 is the primary north–south surface highway in central Washington County, connecting Hagerstown with Williamsport to the south and Hagerstown Regional Airport to the north. The federal highway was once a major long-distance highway, but that role has been assumed by Interstate 81 (I-81), which parallels US 11 not only in Maryland but for most of its course from Tennessee to Upstate New York. US 11 is maintained by the Maryland State Highway Administration except for the municipally-maintained portions within the corporate limits of Williamsport and Hagerstown.

U.S. Route 11 (US 11) is a part of the United States Numbered Highway System that runs from New Orleans, Louisiana, to the Canada–U.S. border at Rouses Point, New York. In the state of New York, US 11 extends for 318.66 miles (512.83 km) from the Pennsylvania state line south of the Southern Tier city of Binghamton to the Canada–U.S. border at the North Country village of Rouses Point, where it becomes Route 223 upon entering Quebec. The portion of US 11 south of Watertown follows a mostly north–south alignment and is paralleled by Interstate 81 (I-81) while the part of the route north of Watertown follows a more east–west routing, parallel to but not directly on the St. Lawrence River.

Oxford is a borough in Chester County, Pennsylvania, United States. Oxford is the closest town to Lincoln University. The population was 5,733 at the 2020 census.

Falls Township is a suburban Philadelphia township in Bucks County, Pennsylvania. The population was 34,300 at the 2010 census. Portions of Fairless Hills and Levittown, Pennsylvania, are located in the township. Portions of Falls Township are called Morrisville and Yardley, due to the location of the Morrisville Post Office outside the Borough of Morrisville in Falls Township. As originally chartered in 1692, the villages of Morrisville and Tullytown were part of Falls Township. Morrisville was granted borough status in 1804. Tullytown was erected as a borough in 1891.

Mead Township is a township in Warren County, Pennsylvania, United States. The population was 1,306 at the 2020 census, down from 1,386 at the 2010 census and 1,555 at the 2000 census.

The Allegheny River is a 325-mile-long (523 km) headwater stream of the Ohio River in western Pennsylvania and New York. The Allegheny River runs from its headwaters just below the middle of Pennsylvania's northern border northwesterly into New York then in a zigzag southwesterly across the border and through Western Pennsylvania to join the Monongahela River at the Forks of the Ohio at Point State Park in Downtown Pittsburgh, Pennsylvania. The Allegheny River is, by volume, the main headstream of both the Ohio and Mississippi Rivers. Historically, the Allegheny was considered to be the upper Ohio River by both Native Americans and European settlers.

Tunkhannock Township is a township in Wyoming County, Pennsylvania, United States. The population was 3,976 at the 2020 census.

Tunkhannock is a borough in Wyoming County, Pennsylvania, 31 miles (50 km) northwest of Wilkes-Barre. In the past, lumbering was carried on extensively. Today, many residents are employed by the Procter & Gamble plant in nearby Washington Township. As of the 2020 census, the borough population was 1,766. It is the county seat of Wyoming County. Tunkhannock is in the Scranton–Wilkes-Barre–Hazleton, PA Metropolitan Statistical Area.

Interstate 81 (I-81) is a north–south Interstate Highway, stretching from Dandridge, Tennessee, northeast to Fisher's Landing, New York, at the Canada–United States border. In Pennsylvania, I-81 runs for 232.76 miles (374.59 km) from the Maryland state line near Greencastle northeast to the New York state line near Hallstead and is called the American Legion Memorial Highway. It is the longest north–south Interstate in Pennsylvania.

Scranton is a city in the Commonwealth of Pennsylvania, United States, and the county seat of Lackawanna County. With a population of 76,328 as of the 2020 U.S. census, Scranton is the largest city in Northeastern Pennsylvania and the Scranton–Wilkes-Barre–Hazleton Metropolitan Statistical Area, which has a population of 562,037 as of 2020. It is the seventh largest city or borough in Pennsylvania. The contiguous network of five cities and more than 40 boroughs all built in a straight line in Northeastern Pennsylvania's urban area act culturally and logistically as one continuous city, so while the city of Scranton itself is a mid-sized city, the larger Scranton/Wilkes-Barre Metropolitan Area contains nearly half a million residents in roughly 200 square miles. Scranton is the cultural and economic center of a region called Northeastern Pennsylvania, which is home to over 1.3 million residents.

Carbondale Township is a township in Lackawanna County, Pennsylvania and is respectively named for the adjoining city of Carbondale. The township is located near Scranton. The population was 1,126 at the 2020 census. The village of Childs is located in Carbondale township.

Pennsylvania Route 291 is an east–west route in Pennsylvania that runs from U.S. Route 13 and US 13 Business in Trainer, Delaware County, east to Interstate 76 (I-76) in South Philadelphia near the Walt Whitman Bridge and the South Philadelphia Sports Complex. Except for a short 1-mile (1.6 km) section between the western terminus and the Chester/Trainer line, PA 291 is mostly a four-lane highway. From the western terminus to the eastern part of Chester, the route has a concurrency with US 13. It runs parallel to the Delaware River for much of the route. The route passes through industrial areas near the river in Delaware County, serving Chester, Eddystone, Essington, and Lester. PA 291 enters Philadelphia near the Philadelphia International Airport, at which point it has an interchange with I-95. The route crosses the Schuylkill River on the George C. Platt Memorial Bridge and continues along Penrose Avenue to I-76. It has been designated the Industrial Heritage Highway.

Trainer is a borough in Delaware County, Pennsylvania, United States. The population was 1,828 at the 2010 census, down from 1,901 at the 2000 census. The borough was named after David Trainer, a wealthy textile manufacturer.

Chester is a city in Delaware County, Pennsylvania, United States. It is located in the Delaware Valley on the western bank of the Delaware River between Philadelphia and Wilmington, Delaware.