PA Route 100 | |||||||
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Route information | |||||||
Maintained by PennDOT | |||||||
Length: | 59.409 mi (95.610 km) | ||||||
Existed: | 1932 – present | ||||||
Major junctions | |||||||
South end: | US 202 near West Chester | ||||||
US 30 in Exton PA 113 in Lionville I-76 / Penna Turnpike near Lionville PA 401 in Ludwigs Corner PA 23 in Bucktown US 422 near Pottstown PA 73 near Boyertown PA 29 from Hereford to Shimerville US 222 in Trexlertown I-78 / US 22 in Fogelsville |
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North end: | PA 309 in Pleasant Corners | ||||||
Location | |||||||
Counties: | Chester, Montgomery, Berks, Lehigh | ||||||
Highway system | |||||||
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PA Route 62 | |
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Location: | Chadds Ford – Pleasant Corners |
Existed: | 1927–1932 |
PA Route 100 Truck |
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Location: | Macungie |
Length: | 3.1 mi (5.0 km) |
Pennsylvania Route 100 (PA 100) is a 59.4-mile (95.6 km) long state highway in the U.S. state of Pennsylvania that runs from U.S. Route 202 (US 202) near West Chester north to PA 309 in Pleasant Corners. The route runs between the western suburbs of Philadelphia and the Lehigh Valley region of the state, serving Chester, Montgomery, Berks, and Lehigh counties. PA 100 intersects several important highways including US 30 in Exton, the Pennsylvania Turnpike (Interstate 76, I-76) near Lionville, US 422 near Pottstown, US 222 in Trexlertown, and I-78/US 22 in Fogelsville. PA 100 has several sections which are multi-lane divided highway with some interchanges, including between US 202 and the Pennsylvania Turnpike in Chester County, between south of Pottstown and New Berlinville, and between Trexlertown and Fogelsville.