The Berlin Turnpike is a 4-lane/6-lane divided arterial road carrying U.S. Route 5 and Route 15 through the towns of Berlin, Newington, and Wethersfield, Connecticut, United States. The road begins south of the Meriden-Berlin town line. The official length of the Berlin Turnpike is 11.02 miles (17.74 km) but the northernmost 1.04 miles (1.67 km) does not carry US 5 or Route 15. The northernmost section runs partly along Route 314 for , and then on State Road 543 for to the Hartford–Wethersfield town line, where it continues as a local road known as Maple Avenue.