Pennington Road, Centre Line Road, Halfmoon Valley Road, Buffalo Run Road, West Water Street, Willowbank Street, South Water Street, West High Street, South Allegheny Street, East Bishop Street, Zion Road

Direction:

North/South

Southern Terminus:

PA 453 in Tyrone

Northern Terminus:

Nittany Valley Drive (PA 64) in Bellefonte

Counties:

Blair, Huntingdon, Centre

Signed:

Yes

PA 550 is a north/south route in Central Pennsylvania. It runs near I-99 for the entirety of its length. It begins at PA 453 in Tyrone and runs northeast to Bellefonte, where it passes through the downtown area. It then runs east, passing through an interchange with I-99 before ending at Nittany Valley Drive (PA 64).