PA Route 401 | ||||
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Route information | ||||
Maintained by PennDOT | ||||
Length: | 20.175 mi (32.469 km) | |||
Major junctions | ||||
West end: | PA 23 in Caernarvon Township | |||
PA 82 in Elverson PA 345 in East Nantmeal Township PA 100 in West Vincent Township PA 113 in West Pikeland Township US 202 in East Whiteland Township |
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East end: | US 30 in East Whiteland Township | |||
Location | ||||
Counties: | Berks, Chester | |||
Highway system | ||||
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Location: | Upper Uwchlan, Pennsylvania |
Length: | 6.4 mi (10.3 km) |
Existed: | 2013–present |
Pennsylvania Route 401 (PA 401) is a 20.2-mile-long (32.5 km) east–west state route in Berks and Chester Counties, located in southeast Pennsylvania. The western terminus is at PA 23 in Caernarvon Township, across the county line from Elverson. The eastern terminus is at U.S. Route 30 (US 30) in East Whiteland Township, a short distance west of Malvern. PA 401 is called Conestoga Road its entire length and runs through rural areas with suburban development toward the eastern part of the route. PA 401 follows a former turnpike chartered in 1809 known as the Little Conestoga Turnpike. PA 401 was designated along Conestoga Road between PA 29 (Phoenixville Pike) and US 30/PA 1 in 1928. The route was extended west to PA 23 in the 1930s, at which time the entire length was paved.
PA 401 begins at an intersection with PA 23 in Caernarvon Township, Berks County, heading southeast on two-lane undivided Conestoga Road. The route heads into agricultural areas as it crosses into the borough of Elverson in Chester County, where it runs between farmland to the north and rural areas of woods and homes to the south, crossing PA 82. After this junction, the road runs between housing developments to the north and rural areas to the south, crossing into West Nantmeal Township. PA 401 continues into forested areas with some farm fields as it enters East Nantmeal Township and comes to the PA 345 intersection. At this point, the route continues southeast through more woods before heading into farmland and turning south. The road crosses into forests and turns sharply to the east, entering areas of farms with a few residences. Farther east, PA 401 heads into more wooded areas of homes as it crosses into West Vincent Township and reaches the PA 100 junction.