The Berlin Turnpike is a 4-lane/6-lane divided arterial road carrying U.S. Route 5 and Route 15 through the towns of Meriden, 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 12.17 miles (19.58 km) but the northernmost 1.07 miles (1.72 km) does not carry US 5 or Route 15. The northernmost section runs partly along Route 314 for 0.69 miles (1.11 km), and then on State Road 543 for 0.38 miles (0.61 km) to the Hartford–Wethersfield town line, where it continues as a local road known as Maple Avenue.