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The Callahan Tunnel is a road tunnel under Boston Harbour, connecting the North End to East Boston. It is used by drivers travelling from Logan Airport to I-93 in Boston and points north. The tunnel is particularly useful during closures of the Sumner Tunnel, which can cause traffic congestion. During such closures, travellers are advised to use the Callahan Tunnel or the Ted Williams Tunnel and to expect delays. Those travelling from points south should take I-93 North to Route 1A North/Callahan Tunnel, while those from points west should take I-90 East and use the Ted Williams Tunnel.
| Characteristics | Values |
|---|---|
| Name of the tunnel | Lieutenant William F. Callahan Jr. Tunnel (colloquially Callahan Tunnel) |
| Location | Under Boston Harbour |
| Direction | Northbound |
| Connecting | The North End and East Boston |
| Route | Massachusetts Route 1A |
| Alternatives | Ted Williams Tunnel, Tobin Bridge, Massachusetts Route 1A South via Revere or East Boston |
| Public Transport Options | The Blue Line, Silver Line, Logan Express, Logan Water Taxi, or the Hingham/Hull Ferry |
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What You'll Learn
The Callahan Tunnel is open during Sumner Tunnel closures
The Sumner Tunnel is a critical transportation link between Logan Airport, East Boston, and downtown Boston. When the tunnel is closed for maintenance or repairs, it significantly impacts travellers and commuters. Approximately 39,000 vehicles use the tunnel daily, and its closure results in increased congestion and travel time.
To minimise the impact of the Sumner Tunnel closures, the Massachusetts Department of Transportation (MassDOT) provides suggested detours and encourages the use of public transportation. Drivers from East Boston heading downtown are rerouted to the Ted Williams Tunnel via Bennington Street and onto I-93. Similarly, drivers departing Logan Airport for downtown are directed to the Ted Williams Tunnel and then I-93.
During Sumner Tunnel closures, the Callahan Tunnel remains operational. The Callahan Tunnel serves as an alternative route for travellers heading to and from Logan Airport. It provides a vital connection between East Boston and the North End, allowing traffic to flow in the opposite direction of the Sumner Tunnel.
It is important to note that even with the Callahan Tunnel open, travellers can expect heavier traffic and potential delays during Sumner Tunnel closures. MassDOT advises drivers to allow for additional travel time and encourages those travelling to or from Logan Airport to consider alternatives to driving, such as the Blue Line, Silver Line, Logan Express, Logan Water Taxi, or the Hingham/Hull Ferry.
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Route 1A North leads to the Callahan Tunnel
The Callahan Tunnel is a road tunnel under Boston Harbour, connecting the North End and East Boston. It carries northbound Massachusetts Route 1A, forming a one-way pair with the Sumner Tunnel. The tunnel opened in 1961 to complement the southbound Sumner Tunnel.
Alternatively, drivers coming from the west on I-90 can take the Ted Williams Tunnel eastbound towards Logan Airport. Once they reach East Boston, they can join Route 1A North, which leads to the Callahan Tunnel.
During the Sumner Tunnel restoration project, drivers leaving Logan Airport towards I-93 North were instructed to follow signs for Route 1A North to Bell Circle Rotary. They would then proceed over Route 1/Tobin Bridge and follow signs to Rutherford Avenue, continuing through Sullivan Square onto I-93 North. This detour suggests that drivers can reach Route 1A North by taking the Tobin Bridge from Logan Airport.
It is important to note that the Callahan Tunnel is typically used when travelling towards Logan Airport, while the Sumner Tunnel is used when travelling away from the airport towards I-93 in Boston and points north.
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The Callahan Tunnel is a one-way pair with the Sumner Tunnel
The Callahan Tunnel is a vital transportation link in Boston, Massachusetts, and it plays a crucial role in facilitating travel to and from Logan Airport. The tunnel, officially named the Lieutenant William F. Callahan Jr. Tunnel, was opened in 1961 to complement the existing Sumner Tunnel. The Callahan Tunnel forms a one-way pair with the Sumner Tunnel, carrying northbound traffic under Boston Harbor between the North End and East Boston.
The Sumner Tunnel, which opened in 1934, initially handled traffic in both directions until the Callahan Tunnel was constructed alongside it. With the completion of the Callahan Tunnel, the two tunnels together provided a dedicated route for northbound travellers, while southbound traffic could utilise the Sumner Tunnel. This one-way pairing helped to streamline traffic flow and improve transportation efficiency in the Boston area.
The Callahan Tunnel is particularly important for travellers heading to Logan Airport. When the Sumner Tunnel is closed for restoration or maintenance, travellers coming from Logan Airport and East Boston can continue using the Callahan Tunnel as an alternative route. This tunnel provides a vital detour option, helping to minimise disruptions and offering a reliable pathway for vehicles exiting the airport.
Over the years, both the Callahan and Sumner Tunnels have undergone modernisation efforts. In 2016, cashless tolling systems were implemented in both tunnels as part of an initiative to streamline toll collection in Boston. Additionally, the Callahan Tunnel has also undergone significant renovations, including the replacement of its deck, curbs, and wall panels, as well as the cleaning and repair of its ceiling and ventilation systems.
In summary, the Callahan Tunnel and the Sumner Tunnel function as a one-way pair, with the Callahan Tunnel dedicated to northbound traffic. This pairing ensures a smooth flow of traffic in the Boston area, particularly for travellers heading to and from Logan Airport. The availability of these tunnels, along with recommended detours during closures, helps to minimise travel disruptions and enhance the overall transportation network in the region.
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The Callahan Tunnel is accessible from I-93 South
The Callahan Tunnel is a road tunnel that runs under Boston Harbor between the North End and East Boston. It carries northbound Massachusetts Route 1A and forms a one-way pair with the Sumner Tunnel. The tunnel was opened in 1961 to complement the Sumner Tunnel, carrying all northbound traffic under the harbor until the Ted Williams Tunnel opened in the 1990s.
Over the years, the Callahan Tunnel has undergone several repairs and modifications. In the early 1990s, repairs were made to the tunnel as part of the Big Dig project, which replaced the elevated Central Artery with a tunnel. In 2003, access from northbound I-93 to the Callahan Tunnel was closed after a new ramp from I-93 to the Ted Williams Tunnel opened. The only remaining access to the Callahan Tunnel was from New Chardon Street and southbound I-93.
Currently, the Callahan Tunnel is accessible from I-93 South. When traveling to Logan Airport or East Boston, drivers can take I-93 South to Route 1A North/Callahan Tunnel. This route is especially useful when the Sumner Tunnel, which connects Logan Airport to Boston, is closed for restoration or maintenance. During such closures, traffic is diverted to detour routes, and the Callahan Tunnel remains open, providing an alternative route to and from Logan Airport.
It is important to note that the Callahan Tunnel is a one-way tunnel, carrying only northbound traffic. When traveling from Logan Airport or East Boston towards points south, drivers can take Route 1A South through the Sumner Tunnel to reach I-93 South. Additionally, the Ted Williams Tunnel provides another option to access I-93 South from Logan Airport or East Boston.
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The Callahan Tunnel is inbound to Logan Airport
The Callahan Tunnel is indeed inbound to Logan Airport. The tunnel runs from the North End to East Boston, carrying northbound Massachusetts Route 1A traffic under Boston Harbour. It was opened in 1961 to complement the Sumner Tunnel, which is outbound from Logan Airport.
During the closure of the Sumner Tunnel, traffic will be diverted through other signed detour routes. The Callahan Tunnel will remain open, and travellers can continue to use it to get to Logan Airport. However, travellers should expect delays and are encouraged to add additional travel time to their trips in case of congestion.
If you are coming from points South, you can take I-93 North to Route 1A North/Callahan Tunnel. Alternatively, you can take I-90 East/Ted Williams Tunnel. If you are coming from points West, take I-90 East and use the Ted Williams Tunnel.
To reduce traffic congestion during tunnel closures, the Massachusetts Department of Transportation (MassDOT) encourages travellers to leave their cars at home and explore alternative transportation options to and from Logan Airport. These options include the Blue Line or Silver Line, the Logan Express, the Logan Water Taxi, or the Hingham/Hull Ferry.
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Frequently asked questions
Yes, you can use the Callahan Tunnel to get to Logan Airport. It carries northbound Massachusetts Route 1A traffic.
If you are driving, you can use the Ted Williams Tunnel or Tobin Bridge. To avoid traffic congestion, it is recommended to use public transport such as the Blue Line, Silver Line, Logan Express, Logan Water Taxi, or the Hingham/Hull Ferry.
The closure of the Sumner Tunnel will not impact travel to Logan Airport. However, it will affect traffic leaving the airport. Expect delays and heavier traffic volumes during closures.
