Welland By-Pass west and by the by-pass channel to the east. Welland By-Pass The Welland By-pass, completed in 1973, was a massive construction project on the Welland Canal in Ontario, Canada. A new channel long was constructed, providing a shorter, more direct alignment between Port Robinson and Port Colborne and by-passing downtown Welland. The project helped improve navigation along the canal and alleviated problems the presence of a busy ship canal was causing in Welland. Although the city of Welland had originally grown around the canal, by the 1960s the constant interruptions in the flow of the vehicular and rail traffic through
Welland separate railway lines. The new segment of canal would have no bridges, and just one railway tunnel, so all of these routes required redesign. The two branches of the CASO line, plus the Cayuga Subdivision were re-routed through the Townline Tunnel, while the North/South Canadian National line was split and discontinued as a through route. The station at King Street was abandoned and demolished. It was replaced by a new station outside of town, but passenger service ended soon after. Today, Welland is the location of one of only two remaining railway crossings that span the Welland Canal. The Townline