Pennsylvania State Route 819 is a north-south highway in Central Westmoreland County. It runs from the Westmoreland/Fayette County Line, near Everson, to Pennsylvania State Route 66, near Apollo. PA St Rt 819 passes through the following towns in Westmoreland County. Scottdale West Overton Buckeye Mount Pleaseant Standard Shaft Armbrust South Greensburg Greensburg
SB U.S. Rt. 119/PA St Rt 819/BUSN PA St Rt 66 near 2nd. SB U.S. Rt. 119/PA St Rt 819/BUSN PA St Rt 66 near Euclid. SB U.S. Rt. 119/PA St Rt 819/BUSN PA St Rt 66 at U.S. Rt. 30. A guide sign on EB I-70/76/PA Turn.