 Near the center of town, the southbound direction narrows to three lanes again, and I-95 has interchanges with US 1 and Route 136.Next, the freeway turns to the northeast, passing over the New Haven Line and coming to a service plaza and welcome center in the northbound direction, before reaching another interchange with US 1.Immediately after, the road comes into the city of Norwalk in the neighborhood of South Norwalk.