U.S. Federal Route 30 is an east-west highway in Central Westmoreland County. It runs from the Allegheny/Westmoreland County Line, near North Verssailles, to the Westmoreland/Somerset County Line, near Jennerstown. U.S. Rt. 30 passes through the following towns in Westmoreland County. Irwin Jeannette Greensburg
EB U.S. Rt. 30 east of Ardara Road. EB U.S. Rt. 30 east of Irwin. EB U.S. Rt. 30 at I-76/PA Turn. A BGS on EB I-76/PA Turn. A BGS on WB I-76/PA Turn. A BGS on WB I-76/PA Turn. EB U.S. Rt. 30 east of I-76/PA Turn. EB U.S. Rt. 30 near Adamsburg. EB U.S. Rt. 30 at Adamsburg. EB U.S. Rt. 30 west of PA St Rt 66. EB U.S. Rt. 30 at PA St Rt 66. EB U.S. Rt. 30 east of PA St Rt 66. A guide marker on SB U.S. Rt. 119/PA St Rt 819. A guide marker on NB U.S. Rt. 119/PA St Rt 819.