 In the 1950s, US 30 was moved to the one-way pair of Market Street eastbound and Philadelphia Street westbound through York.In 1967, US 30 was shifted to a freeway bypass between Prospect Road east of Columbia and east of Lancaster; PA 462 was designated onto the former alignment of US 30 between those two points.In 1973, PA 462 was extended west to its current terminus at US 30 west of York after US 30 was shifted to a bypass between west of York and Columbia.