United States Route 19 and Pennsylvania Route 51 join for a mile
through western Pittsburgh in Allegheny County.

Denny Pine 2003
Northbound on PA 51 at the interchange with I-279/US 22/US 30, US
19, and Truck US 19. US 19 leaves I-279/US 22/US 30 at this point
and joins US 19 north toward the Ohio River.

Denny Pine 2003
Reassurance shields northbound on the US 19/PA 51 expressway. The
highway curves around a mountain side.

Denny Pine 2003
Now southbound on the same road, with the mountain visible on the
east side of the road.

Denny Pine 2003
US 19 splits from PA 51 at the interchange with Truck US 19. US 19/Truck
US 19 parallels the I-279/US
22/US 30 triplex from this interchange to the next one to the
south.