The Lehigh Valley was known for years as an industrial powerhouse, and with that title came a need to move the goods it produced. First came the Pennsylvania Turnpike's Northeast Extension otherwise known as Interstate 476, then the Lehigh Valley Thruway, and finally Interstate 78. It is host to a complex and intertwined highway system linking Allentown in the west to Easton to the east and into New Jersey. Learn about the highways that made it and the ones that faded into history.
Allentown Highways








