page_title: U.S. Route 1 in Pennsylvania
section_title: Delaware County
hierarchical_section_title: U.S. Route 1 in Pennsylvania / Route description / Delaware County
caption_attribution_description: Northbound U.S. Route 1 (Township Line Road) past the intersection with Burmont Road in Drexel Hill, Pennsylvania
context_page_description: U.S. Route 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 from the Maryland state line near Nottingham 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.
context_section_description: Upon crossing the Brandywine Creek, US 1 continues into Chadds Ford Township in Delaware County and passes to the north of the Brandywine River Museum. The route heads into the community of Chadds Ford and intersects Creek Road (which until 2003 was also PA 100) in a commercial area. The road continues through wooded areas with some development, passing to the south of the Brandywine Battlefield. The route curves northeast and heads into areas of businesses, intersecting US 202/US 322 in Painters Crossing. Here, US 322 turns east to join US 1 in a concurrency along Baltimore Pike, running past more commercial establishments in Concord Township. In Concordville, US 322 splits to the southeast and US 1 continues along Baltimore Pike, heading into more wooded areas with occasional businesses.
  The route curves to the east and enters the borough of Chester Heights, passing businesses before heading into forested areas, where it passes the corporate headquarters of Wawa Inc. The road turns northeast and crosses the Chester Creek into Middletown Township. The route passes under SEPTA's West Chester Branch northwest of the site of Wawa station, which will serve as the future terminius of SEPTA's Media/Elwyn Line. US 1 heads through the community of Wawa and continues into commercial areas, coming to an intersection with PA 452 in the community of Lima. Following this, the route continues east and passes between the Promenade at Granite Run shopping center to the north and Riddle Hospital to the south, coming to an interchange with PA 352. A short distance later, US 1 splits from Baltimore Pike at an interchange by heading northeast onto the Media Bypass, a four-lane freeway which bypasses the borough of Media to the north. The Baltimore Pike interchange is a northbound exit and southbound entrance that also features a U-turn ramp from northbound US 1 to southbound US 1. US 1 runs through wooded areas with some nearby homes and crosses Ridley Creek into Upper Providence Township. The freeway continues northeast before it curves to the east and comes to a diamond interchange at PA 252 in the community of Rose Tree. The route runs through more wooded areas with some homes and comes to a southbound exit and northbound entrance at State Road. Following this, US 1 crosses the Crum Creek into Marple Township and comes to a three-level diamond interchange at I-476.
  Past the I-476 interchange, US 1 continues east and heads into business areas, where the freeway ends and the route becomes four-lane divided South State Road, passing south of a shopping center. The route crosses into Springfield Township and reaches a diamond interchange with PA 320, with the southbound exit providing access to the shopping center. The road continues into residential areas and becomes North State Road upon crossing Springfield Road. US 1 curves northeast and crosses the Darby Creek into Upper Darby Township, where it heads into business areas. State Road splits to the northeast and the route becomes Township Line Road, which heads north into Drexel Hill as a four-lane undivided road through residential neighborhoods. The road passes commercial development and curves to the northeast, becoming the border between Haverford Township to the northwest and Upper Darby Township to the southeast. US 1 continues past homes as it heads through Drexel Hill, crossing Drexel Avenue and passing to the southeast of a golf course. The route heads into the community of Llanerch, where it gains a center left-turn lane and passes between a shopping center to the northwest and residences to the southeast. The road crosses Naylors Run and Darby Road/Lansdowne Avenue before it reaches an intersection with PA 3 a short distance later. From here, US 1 becomes a four-lane undivided road and continues northeast past residences and a few businesses before passing northwest of a golf course. The route passes over SEPTA's Norristown High Speed Line south of the Township Line Road station before it comes to a bridge over Cobbs Creek. Upon crossing Cobbs Creek, US 1 runs along the border
caption: US 1 northbound in Drexel Hill
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