U.S. Federal Route 15 runs north-south in Eastern Union County. It runs from the Snyder/Union County Line, near Winfield, to the Union/Lycoming County Line, near Allenwood. U.S. Rt. 15 passes through the following towns in Union County. Winfield College Park Linntown Lewisburg West Milton New Columbia White Deer Allenwood U.S. Rt. 15 is multi-plexed in Union County. Pennsylvania State Route 147, near Winfield. U.S. Rt. 15 intersects the following highways in Union County. Pennsylvania State Route 147, near Winfield.
NB U.S. Rt. 15/PA St Rt 147 at the Snyder/Union County Line. NB U.S. Rt. 15 at north PA St Rt 147. NB U.S. Rt. 15 north of north PA St Rt 147. NB U.S. Rt. 15 south of Winfield. NB U.S. Rt. 15 south of PA St Rt 304. NB U.S. t. 15 at PA St Rt 304. A junction marker on EB PA St Rt 304. A set of guide markers on EB PA St Rt 304. NB U.S. Rt. 15 north of PA St Rt 304. NB U.S. Rt. 15 south of Lewisburg. NB U.S. Rt. 15 south of PA St Rt 45. NB U.S. Rt. 15 at PA St Rt 45. A guide marker on SB PA St Rt 405. A guide marker on WB PA St Rt 642. NB U.S. Rt. 15 north of PA St Rt 642. NB U.S. Rt. 15 near New Columbia. NB U.S. Rt. 15 south of I-80. A BGS on WB I-80.
