From the two island-platform (and two side platform on the same tracks as the outer sides of the islands) passenger station at Amtrak-served (and Metro-North served) Stamford (MP 33.1), with a single express track through the center, and two pedestrian bridges, the westernmost of which contains the depot, with streets to the north and south, and the junction at Stam (MP 33.3), where the New Canaan line branches away to the north-northeast, the four track, CTC, overhead electrified, main line continues east-northeast, with a four-track Metro-North yard and maintenance facility on the south side, with overall speed limit 75 mph for passenger trains (and 40 mph for freights) but local speed restriction of 50/25 on a curve, followed by a 60 mph curve, and a reduction in the overall speed limit to 70 mph, past two extra tracks on the south side (used for storing the diesel shuttles) three bridges over streets, I-95 bridging overhead, extra track on the south side (used for stabling Metro-North EMUs), a bridge over a street, a stretch of line with two sets of overhead catenary supports: old curves New Haven versions and newer Amtrak versions, a road bridge overhead, a former road bridge overhead paired with a road bridge overhead, and the passenger station with two side platforms and wooden depot to the north at Noroton Heights (MP 36.2),.
There is a street alongside to the north, and a road bridge overhead, and the line turns east past a bridge over a stream, a bridge over a street, the passenger station with two side platforms and depot to the north at Darien (MP 37.7), a bridge over a street, a street alongside to the south, a road bridge overhead, a bridge over a street and a bridge over a road, turning north-northeast past the passenger station with two side platforms and depot to the north at Rowayton (MP 39.2), and a bridge over a street??, and just north of east past two road bridges overhead, crossovers at West Walk (MP 40.8), a bridge over a street, and the passenger station at South Norwalk (MP 41.0), with two side platforms with umbrella sheds, a parking garage containing a depot on the north side, a brick depot on the south side, and an east-end bay on the north side, with a bridge over a street within the east end of the station, followed by a pair of through-truss bridges over a street, the old brick three-storey New Haven Switching Station 44 (SoNo Tower), now preserved by the Western Connecticut Chapter of NRHS on the south side just east of the bridge, and the junction at Walk (MP 41.3), where the Danbury Branch turns away northeast and the main line continues east-northeast, with the 1984 replacement tower in the vee of the junction.