Main Street Tunnel

Main Street Tunnel

Western approach to the Main Street Tunnel
Overview
Location	Welland Canal, Welland, Ontario
Coordinates	42°59′36″N 79°13′00″W / 42.993222°N 79.216704°W / 42.993222; -79.216704
Route	Niagara Road 27 and the unsigned designation of Highway 7146
Operation
Opened	May 20, 1972; 52 years ago (May 20, 1972)
Owner	Ministry of Transportation of Ontario
Technical
No. of lanes	4

The Main Street Tunnel, located in Welland, Ontario, Canada, is an underwater tunnel, carrying Niagara Road 27 and the unsigned designation of Highway 7146 under the Welland Canal.^[1] It is named as a part of East Main Street.

The structure was built as a part of the Welland By-Pass project. Its construction was relatively easy since, like the Townline Tunnel, it was constructed at the same time as the channel above it and a simple cut and cover. The tunnel was officially opened on May 20, 1972.