The Baltimore Pike was an auto trail in the United States, connecting Baltimore, Maryland, with Philadelphia, Pennsylvania. Today, parts of the road are signed as U.S. Route 1, U.S. Route 13, and a small portion of Pennsylvania Route 41. A section of the road within the city limits of Philadelphia and surrounding boroughs is known as Baltimore Avenue, although locals are known to call the Delaware County portion "Baltimore Pike". In suburbs farther west, some sections retain the formal name "Baltimore Pike." Today, Baltimore Avenue's eastern terminus is at 38th Street in Philadelphia, where it intersects with Woodland Avenue (from Southwest Philadelphia and the borough of Darby) and funnels into University Avenue. The road used to continue to Market Street until the University City area wa