PA 416 was designated in 1928 between PA 16 in Mercersburg and US 30 near St. Thomas .
PA 416 splits from PA 75 and continues northeast to its terminus at US 30 .
PA 416 was designated in 1928 between PA 416 16 in Mercersburg and US 30 30 near St. Thomas .
PA 416 splits from PA 75 and continues northeast to its terminus at US 30 .