Interstate 78 passes to the south of Bethlehem and has access to the city at an interchange with Pennsylvania Route 412. U.S. Route 22 passes to the north of Bethlehem on the Lehigh Valley Thruway and has access to the city at interchanges with Pennsylvania Route 378, Schoenersville Road, Pennsylvania Route 512 (Center Street), and Pennsylvania Route 191 (Linden Street). US 22 also comes to an interchange at Pennsylvania Route 987 in nearby Hanover Township, and PA 987 briefly runs along Bethlehem's western border. PA 378 runs north-south through Bethlehem, passing through the southern part of the city on Wyandotte Street, crossing the Lehigh River on the Hill to Hill Bridge, and heading through the northern part of the city on a freeway to US 22. PA 412 enters Bethlehem from the south at an interchange with I-78 on the border with Hellertown and runs north and west through the southern part of the city to its northern terminus at PA 378.