
The Sumner Tunnel is a key connection from Logan Airport and East Boston to downtown Boston and Cambridge. The tunnel typically carries traffic under Boston Harbor. However, the tunnel has been closed periodically since the spring of 2022 for crucial repairs and restoration work. The Callahan Tunnel, which runs in the opposite direction, remains open. While the Sumner Tunnel is closed, traffic is rerouted to other roads, including the Ted Williams Tunnel and Tobin Bridge, which have discounted tolls.
| Characteristics | Values |
|---|---|
| Tunnel Name | Sumner Tunnel |
| Location | Boston, Massachusetts |
| Closure Status | Closed from July 5 to August 5, 2024 |
| Alternative Routes | Blue Line, Silver Line, Logan Express, Logan Water Taxi, Hingham/Hull Ferry, Ted Williams Tunnel, Tobin Bridge |
| Impact | Traffic congestion, impact on 39,000 daily vehicles |
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What You'll Learn
- The Sumner Tunnel, which connects Logan Airport to Cambridge, closed for repairs in 2023 and 2024
- Drivers leaving Logan Airport for Boston will be rerouted to I-90/Ted Williams Tunnel and onto I-93
- The Callahan Tunnel is open during the Sumner Tunnel closure, running from the North End to East Boston
- Logan Express, the Silver Line, the Logan Water Taxi, and the Hingham/Hull Ferry are alternative transport options to Logan Airport
- Drivers from East Boston going to downtown Boston will be rerouted via Bennington Street to I-90/Ted Williams Tunnel and then I-93

The Sumner Tunnel, which connects Logan Airport to Cambridge, closed for repairs in 2023 and 2024
The Sumner Tunnel, which connects Boston Logan International Airport to Cambridge, closed for a month in the summers of 2023 and 2024. The tunnel is a key connection from Logan Airport and East Boston to downtown Boston and Cambridge. About 39,000 vehicles travel through the tunnel each day, so its closure caused significant traffic disruptions and delays.
In 2023, the Sumner Tunnel was closed from July 5 to August 31 for restoration work. The Massachusetts Department of Transportation (MassDOT) encouraged people to build in extra travel time and consider working from home if possible. They also suggested detours and provided a list of alternative routes for people travelling to and from Logan Airport. These included taking the Blue Line or Silver Line, the Logan Express, the Logan Water Taxi, or the Hingham/Hull Ferry.
The tunnel closed again from July 5 to August 5, 2024, for the second phase of a massive restoration project. This phase focused on the driving deck, with plans to rip up the tunnel's road during the month-long shutdown. The restoration project was about 90% complete as of early August 2024, with the remaining 10% to be completed during weekend closures through October.
The closure of the Sumner Tunnel caused significant traffic congestion and delays, particularly on weekends. Transportation officials urged commuters to use public transit or alternative routes to and from Logan Airport. The tunnel is a major roadway for commuters, and its closure impacted travel times and traffic patterns in the Greater Boston area.
During the closure periods, drivers departing Logan Airport and heading to downtown Boston were rerouted to I-90/Ted Williams Tunnel and onto I-93 North. Those coming from the North were advised to take I-93 South to Route 1A North/Callahan Tunnel or US-1 South. Drivers coming from the South were instructed to take I-93 North to Route 1A North/Callahan Tunnel or I-90 East/Ted Williams Tunnel.
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Drivers leaving Logan Airport for Boston will be rerouted to I-90/Ted Williams Tunnel and onto I-93
The Sumner Tunnel, which connects Logan Airport to Cambridge, is currently closed. The tunnel is a key connection from Logan Airport and East Boston to downtown Boston and Cambridge. As a result, drivers leaving Logan Airport for Boston will be rerouted to I-90/Ted Williams Tunnel and onto I-93.
The Sumner Tunnel is closed for restoration work, which includes repairing the tunnel ceiling, roadway, walls, and lighting, as well as other improvements to increase safety and climate resiliency. The closure is expected to last from July 5 to August 5, with additional weekend closures expected after the initial construction closure.
During this time, drivers leaving Logan Airport for Boston will need to take a detour route. They will be rerouted to I-90/Ted Williams Tunnel and onto I-93. The Ted Williams Tunnel is typically used by the Logan Express and Silver Line buses, but it will now serve as a detour route for drivers during the Sumner Tunnel closure. Tolls in the Ted Williams Tunnel will be discounted for all Massachusetts drivers during this time.
For drivers leaving Logan Airport and wanting to get to I-93 North, the Massachusetts Department of Transportation (MassDOT) recommends the following route: follow signs for Route 1A North to Bell Circle Rotary, then follow signs to Route 16 to Route 1 South, go over the Route 1/Tobin Bridge, and follow signs to Rutherford Avenue. Finally, continue through Sullivan Square and onto I-93 North. Message boards and signs near the entrance of the Ted Williams Tunnel will guide drivers through the route.
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The Callahan Tunnel is open during the Sumner Tunnel closure, running from the North End to East Boston
The Sumner Tunnel, which connects Logan Airport to Cambridge, is currently closed for restoration work. This is the second year in a row that the tunnel has closed for a month in the summer. The tunnel is an important route for commuters and travellers, carrying around 39,000 vehicles each day.
While the Sumner Tunnel is closed, the Callahan Tunnel remains open. The Callahan Tunnel runs from the North End to East Boston, in the opposite direction to the Sumner Tunnel. The Callahan Tunnel is part of Route 1A, a bidirectional carriageway.
To get to Logan Airport from the North, drivers can take I-93 South to Route 1A North/Callahan Tunnel. From the South, drivers can take I-93 North to Route 1A North/Callahan Tunnel or I-90 East/Ted Williams Tunnel. From the West, drivers can take I-90 East and use the Ted Williams Tunnel.
Drivers are advised to use public transportation where possible to avoid increased congestion on detour routes. The Blue Line, Silver Line, Logan Express, Logan Water Taxi, and Hingham/Hull Ferry are all recommended alternatives to driving.
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Logan Express, the Silver Line, the Logan Water Taxi, and the Hingham/Hull Ferry are alternative transport options to Logan Airport
Logan Airport in Boston, Massachusetts, offers a range of transport options for travellers to and from the city, including the Logan Express, the Silver Line, the Logan Water Taxi, and the Hingham/Hull Ferry. Each provides a convenient and accessible way to get to and from the airport, with the Silver Line being particularly notable for its efficiency and accessibility.
The Logan Express is a bus service that offers a direct, comfortable, and convenient ride to and from all Boston Logan terminals. It is a good option for those who want to skip the drive and offers services from Back Bay, Braintree, Framingham, Woburn, and Peabody.
The Silver Line is a bus rapid transit system (BRT) operated by the Massachusetts Bay Transportation Authority (MBTA). It offers a unique and highly accessible service from Logan Airport to Boston's city centre, with wheelchair accessibility at every SL1 stop. The SL1 route operates between Boston Logan Airport and South Station in Downtown Boston, with additional connections at South Station to the MBTA Commuter Rail, Amtrak, intercity bus services, and other Silver Line routes. The Silver Line is also notable for being fare-free for passengers boarding at Boston Logan International Airport, with transit times between the airport and South Station taking as little as 15 minutes.
The Logan Water Taxi provides an on-demand taxi service to over 20 locations in Boston Harbour. It offers group transport, private charters, airport service, and luggage storage.
Finally, the Hingham/Hull Ferry provides another transport option to and from Logan Airport, with services operating Monday through Friday from 6:30 am to 8 pm.
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Drivers from East Boston going to downtown Boston will be rerouted via Bennington Street to I-90/Ted Williams Tunnel and then I-93
The Sumner Tunnel, which connects Logan Airport to Cambridge, is a major roadway for commuters and travellers. As a result of the tunnel's closure for restoration work, drivers from East Boston going to downtown Boston will be rerouted. The detour will take them via Bennington Street (Route 145) to I-90/Ted Williams Tunnel, and then on to I-93.
The Sumner Tunnel typically carries traffic under Boston Harbour, facilitating an easy connection between East Boston, Logan Airport, and downtown Boston. However, due to the tunnel's closure, drivers will need to adjust their routes and follow the provided detour.
The recommended detour route for drivers from East Boston heading downtown is as follows:
- Head towards Bennington Street (Route 145).
- Continue on Bennington Street until you reach the entrance of the Ted Williams Tunnel.
- Take the I-90/Ted Williams Tunnel.
- From there, you will be able to access I-93 and continue towards downtown Boston.
It is important to note that when the Bennington Street exit is closed, drivers from East Boston should follow the local East Boston detour, as advised by MassDOT. Message boards and signs near the Ted Williams Tunnel entrance will help guide residents through the detour route.
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Frequently asked questions
No, the Sumner Tunnel is currently closed for restoration work.
The Sumner Tunnel closed on July 5, 2024, and will remain closed until August 5, 2024.
Drivers can refer to the official website for detours. MassDOT also recommends using public transportation, such as the Blue Line, Silver Line, Logan Express, Logan Water Taxi, or the Hingham/Hull Ferry.
The Sumner Tunnel typically carries traffic under Boston Harbor and connects East Boston and Logan Airport to downtown Boston.









































