The Sumner Tunnel was opened on June 30, 1934.It carried traffic in both directions until the opening of the parallel Callahan Tunnel in 1961. The Sumner Tunnel is named for William H. Sumner, the son of Governor Increase Sumner.
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Built in the 1930s, the Sumner Tunnel (Route 1A South) is the first traffic tunnel in Massachusetts and takes vehicles from Logan Airport to Boston/I-93.
It was originally a two-way road that carried traffic in both directions, until the opening of the parallel Callahan Tunnel in 1961. The tunnel is 8,448 feet long, of which approximately 3,960 feet are underwater. In 2017, the state removed the tollbooths as part of a switch to electronic tolling.
Built in the 1930s, the Sumner Tunnel (Route 1A South) is the first traffic tunnel in Massachusetts and takes vehicles from Logan Airport to Boston/I-93.
Where is the Sumner Tunnel? The Sumner Tunnel/Route 1A South, situated between East Boston and the North End, takes drivers from Logan Airport to I-93/ Boston and points north. Map of Boston displaying the locations of Sumner Tunnel, Callahan Tunnel, and Ted Williams Tunnel.
Since the Sumner Tunnel runs one way from Logan Airport to the North End, getting to the airport during the tunnel closure is not as challenging as getting from the airport. Most traffic will be detoured into the Ted Williams Tunnel and onto the Tobin Bridge to connect with Interstate 93.
It was originally a two-way road that carried traffic in both directions, until the opening of the parallel Callahan Tunnel in 1961. The tunnel is 8,448 feet long, of which approximately 3,960 feet are underwater. In 2017, the state removed the tollbooths as part of a switch to electronic tolling.
The Ted Williams Tunnel interface in East Boston between the land-based approach and the underwater section is 90 feet below the surface of Boston Harbor, the deepest such connection in North America. The project's seven-building ventilation system is one of the largest highway tunnel ventilation systems in the world.