U.S. Route 19 in Pennsylvania

U.S. Route 19 marker
U.S. Route 19
Map
US 19 highlighted in red
Route information
Maintained by PennDOT
Length195 mi (314 km)
Major junctions
South end US 19 at West Virginia border near Mount Morris
Major intersections
North end US 20 in Erie
Location
CountryUnited States
StatePennsylvania
CountiesGreene, Washington, Allegheny, Butler, Lawrence, Mercer, Crawford, Erie
Highway system
PA 18 PA 19

U.S. Route 19 (US 19) in Pennsylvania is closely paralleled by Interstate 79 (I-79) for its entire length. US 19 enters Pennsylvania from West Virginia in Greene County near Mount Morris. Its northern terminus is at US 20 in the city of Erie. Part of it is named for Commodore Oliver Hazard Perry, hero of the Battle of Lake Erie.