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Does Sumner Tunnel go into Boston?

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. Now, after nearly a century of service, it's time for an upgrade.



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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.

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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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The Sumner Tunnel is undergoing a restoration that began in the spring of 2022. This work requires the tunnel to be closed to traffic periodically.

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The tunnels involved are the Thomas O'Neill Tunnel that carries Interstate 93 underneath downtown Boston, the Ted Williams Tunnel that ferries drivers along Interstate 90 east and west across the harbor, and the westbound Sumner and eastbound Callahan Tunnels linking Boston and East Boston.

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The four tunnels vary in age between 19 years old and 88 years old. Both the Ted Williams Tunnel, which opened in 1995, and the Thomas O'Neill Tunnel, which opened in 2003, were part of the historic Big Dig project.

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The Lieutenant William F. Callahan Jr. Tunnel (colloquially Callahan Tunnel) is one of four tunnels, and one of three road tunnels, beneath Boston Harbor in Boston, Massachusetts. It carries motor vehicles from the North End to Logan International Airport and Route 1A in East Boston.

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The tunnel is 8,448 feet (2,575 m) long, of which approximately 3,960 feet (1,210 m) are underwater. A toll is collected in both directions, through the E-ZPass electronic toll collection system, formerly named the Fast Lane system.

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The Sumner Tunnel is undergoing a restoration that began in the spring of 2022. This work requires the tunnel to be closed to traffic periodically.

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To reduce traffic congestion during tunnel closures, MassDOT encourages those traveling to or from Logan Airport to leave their cars at home and explore Massport's list of transportation options to and from Logan, which include: the Blue Line or Silver Line, the Logan Express, the Logan Water Taxi, or the Hingham/Hull ...

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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.

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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.

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If traveling to Logan Airport/ East Boston, continue using the Callahan Tunnel or the Ted Williams Tunnel.

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From Fall 2023 to Summer 2024, the tunnel will be closed periodically. Another 2-month closure of the tunnel will occur summer 2024.

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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.

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