Initially, US 19 ran parallel to the trolley line and later expanded over the tracks through part of Mt. In northern Washington County, US 19 was modernized after the former Pittsburgh Railways Interurban (PRCo) trolley service was discontinued in August 1953. US 19 northbound past interchange with I-76 (Pennsylvania Turnpike) and I-79 in Cranberry Township ( June 2023) ( Learn how and when to remove this template message) Unsourced material may be challenged and removed. Please help improve this section by adding citations to reliable sources. Part of it is named for Commodore Oliver Hazard Perry, hero of the Battle of Lake Erie. Its northern terminus is at US 20 in the city of Erie. US 19 enters Pennsylvania from West Virginia in Greene County near Mount Morris. Route 19 ( US 19) in Pennsylvania closely parallels Interstate 79 (I-79) for its entire length.

Greene, Washington, Allegheny, Butler, Lawrence, Mercer, Crawford, Erie

I-76 / Penna Turnpike in Cranberry Township

US 19 at West Virginia border near Mount Morris

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