The Canal Street incline was a ramp connecting two transit tunnels in Boston with surface and elevated lines. It was located in the Bulfinch Triangle between North Station and Haymarket Square in two
Looking north up the incline in 1901, with rapid transit to the Charlestown Elevated on the outer tracks.
Haymarket Square is the historic name of a former town square in Boston, located between the North End, Government Center, the Bulfinch Triangle, and the West End. The square was a well-known feature
Plan for the filling of the Bulfinch Triangle, 1807. Haymarket Square is at bottom center, at the southern end of Canal Street.