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U.S. Route 1 in Pennsylvania

U.S. Route 1 marker

U.S. Route 1
Route information
Maintained by PennDOT and DRJTBC
Length: 80.916 mi (130.222 km)
Major junctions
South end: US 1 near Rising Sun, MD
  US 202 / US 322 in Chadds Ford
I-476 near Media
PA 3 in Havertown
US 30 in Wynnewood
I-76 in Philadelphia
US 13 in Philadelphia
PA 63 in Philadelphia
I-276 / Penna Turnpike in Bensalem
I-95 near Langhorne
US 13 in Falls Township
North end: US 1 on Trenton-Morrisville Toll Bridge in Morrisville
Location
Counties: Chester, Delaware, Montgomery, Philadelphia, Bucks
Highway system
PA 999 PA 1

U.S. Route 1 marker

U.S. Route 1 (US 1) is a major north–south U.S. Highway, extending from the Florida Keys in the south to 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 Oxford to the New Jersey state line near Trenton, through the southeastern portion of the state. The route runs southwest to northeast, and serves as a major arterial road for many of the suburbs in the Delaware Valley area. South of Philadelphia, the road mostly follows the alignment of the old Baltimore Pike. Within Philadelphia, it mostly follows Roosevelt Boulevard.

US 1 enters Pennsylvania from Maryland in West Nottingham Township, Chester County, heading northeast as a two-lane undivided road that soon widens into a four-lane divided highway. The road curves north and runs through fields and woods with some development, becoming a four-lane freeway that is called the John H. Ware III Memorial Highway. The route runs through rural land with some nearby homes and commercial development, coming to an interchange with PA 272 west of the community of Nottingham. From here, US 1 curves to the northeast and continues into East Nottingham Township, passing through a mix of farmland and woodland with some residences. The freeway skirts into the western portion of the borough of Oxford and reaches a diamond interchange with PA 472 that serves the borough. The route runs through more rural areas with some nearby development and enters Lower Oxford Township, where it bends to the east-northeast and comes to an interchange with PA 10 that also provides access to Oxford. US 1 continues through farm fields and woods and crosses into Upper Oxford Township, where it comes to the PA 896 exit.


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