 US 5 and Route 15 leave the turnpike south of its northern terminus, and the road instead carries Route 314 for , and then the unsigned State Road 543 for , then entering Hartford as the municipally-maintained Maple Avenue.The Berlin Turnpike begins at a fork interchange between Route 15, which continues south as the limited-access Wilbur Cross Parkway, and US 5, which continues south as a local road named Broad Street.The turnpike is the only segment of Route 15 that is not limited-access, as it has multiple at-grade intersections, some with traffic lights, as well as businesses on both sides of the road.