The Berlin Turnpike is a 12.17-mile (19.59 km) 4-lane/6-lane divided arterial road mostly carrying U.S. Route 5 (US 5) and Route 15 in New Haven County and Hartford County in the U.S. state of Connecticut. The road begins one mile south of the Meriden-Berlin town line where Route 15 on the Wilbur Cross Parkway merges with US 5 along North Broad Street in Meriden and terminates at the Hartford city line. The local name of the street varies as it passes through multiple towns.