Called Portland Street at its western end, the route starts at Alderney Drive (Trunk 7) across from the city hall of the former city of Dartmouth. There it proceeds where it intersects with Prince Albert Road (Trunk 7), Alderney Drive and Canal Street.
Known as Portland Street at its western terminus, the route commences at Alderney Drive (Trunk 7) adjacent to the city hall of the former municipality of Dartmouth. It then proceeds where it intersects with Prince Albert Road (Trunk 7), Alderney Drive, and Canal Street.