County Line Road (Philadelphia-Bucks-Montgomery)

County Line Road is a road in the Delaware Valley region of Pennsylvania. It mainly serves as a boundary between Bucks and Montgomery counties, though a small portion of the road separates Bucks County from the city of Philadelphia. The road runs in a straight line from Pennsylvania Route 532 (PA 532) near Philadelphia's Somerton neighborhood to an intersection at Line Lexington Road, which continues west into the northern fringes of the North Penn Valley.
County Line Road passes through or near many of Philadelphia's northern suburbs, such as Bryn Athyn, Hatboro, Montgomeryville, Chalfont, and Hatfield.
Route description
Philadelphia to Horsham
County Line Road begins at an intersection with PA 532 (Bustleton Pike) at the Philadelphia-Bucks county line near Somerton and Feasterville. County Line Road continues northwest for about a mile before becoming the border between Bucks and Montgomery counties. The route passes through the neighborhoods just outside of Bryn Athyn before intersecting PA 232. PA 232 continues south into Bryn Athyn and north into Lower Southampton Township, Bucks County.
County Line Road continues northwest through more suburban developments for , separating Montgomery and Bucks counties before reaching Hatboro. Here, County Line Road comes to a junction with PA 332 on the borough's eastern edge and continues north for a half mile before reaching PA 263 on the borough's northern edge. Both roads leave Hatboro from Montgomery County and continue into Warminster Township.
County Line Road continues northwest for about through more commercial areas of the southern portions of Montgomery and Bucks counties before approaching the border of Horsham Township, Montgomery County and Warrington Township, Bucks County. Here, County Line Road intersects PA 611 (Easton Road). PA 611 continues north into Warrington toward PA 132 and south into Horsham toward PA 463.
Horsham to Line Lexington
Northwest of PA 611, County Line Road begins to pass through less commercial areas. These areas are a bit further from the city, but they are still located within of Center City Philadelphia. County Line Road becomes the eastern border for the regional areas of North Wales and traverses through wooded areas, crossing over the Park Creek, Bradford Reservoir Run, and Little Neshaminy Creek before intersecting PA 152 southbound at the border of Montgomery and Warrington townships. PA 152 forms a short concurrency with County Line Road before PA 152 continues north into Warrington Township.
Continuing northwest, County Line Road passes through more neighborhoods through the eastern border of the North Penn Valley for one mile before coming to an intersection with the US Route  202 (US 202) bypass at the border of Montgomery and Warrington townships. Northwest of this junction, the areas become more commercial again as the road nears the borough of Chalfont. County Line Road comes to a junction with US 202 Business (US 202 Bus.) near Chalfont. US 202 Bus., which becomes Doylestown Road south of this junction, leads to the Five-Points intersection in the heart of Montgomeryville. North of this junction, US 202 Bus. becomes Butler Avenue, leading to the boroughs of Chalfont, New Britain, and Doylestown.
County Line Road traverses more wooded areas for another before reaching its western terminus at an intersection at Line Lexington Road on the border of Hatfield and New Britain townships. From here, Line Lexington Road continues westward into Montgomery County and the northernmost areas of the North Penn Valley, nearing an intersection with PA 309 (Bethlehem Pike).
Future
On April 11, 2022, construction began to replace a bridge over the Bradford Reservoir Run near regional North Wales. The bridge, which currently imposes a weight limit of , is deteriorating and needs replacement. As a result, County Line Road will be closed between Fairmount Avenue and Bradford Road. The project consists of a transportation improvement between PA 611 and Kulp Road. The estimated completion date is around 2026.
Major intersections

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See Also

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