Pennsylvania Route 842

Pennsylvania Route 842
Route information
Maintained by PennDOT, East Marlborough Township, and Borough of West Chester
Length	15.019 mi[1] (24.171 km)
Tourist routes	Brandywine Valley Scenic Byway
Major junctions
West end	PA 841 in West Marlborough Township
Major intersections	PA 82 in Unionville PA 162 in Unionville
East end	US 322 Bus. in West Chester
Location
Country	United States
State	Pennsylvania
Counties	Chester
Highway system
Pennsylvania State Route System Interstate US State Scenic Legislative
← PA 841 → PA 843

Pennsylvania Route 842 (PA 842) is a state highway in Chester County, Pennsylvania. The route runs from PA 841 in West Marlborough Township to U.S. Route 322 Business (US 322 Bus.) in downtown West Chester. PA 842 runs through rural areas with some development between PA 841 and West Chester as a two-lane undivided road. Along this stretch, the route forms a concurrency with PA 82 in Unionville, where it intersects the western terminus of PA 162. In West Chester, PA 842 is routed along one-way streets. PA 842 was first designated by 1928 between PA 82 in Unionville and US 122/PA 5/PA 62 in West Chester. The route was extended west to PA 841 in 1937.