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Sumner Tunnel

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.

Sumner Tunnel/Route 1A South will be closed on Friday, May 17 at 11 p.m.

It will re-open to traffic no later than 5 a.m. on Monday, May 20.

Alternative Travel Options

East Boston and Surrounding Communities  North of Boston  South of Boston  West of Boston  Travel Conditions: Mass511 
Ramp leading to the Sumner Tunnel entrance
Project Details & Closure Schedule 
Cement truck pouring cement inside the Sumner Tunnel
Traffic & Construction Updates 
Cars entering the tunnel
Mitigation During Full Tunnel Closure 
Map of Sumner and Callahan Tunnels
Detour Maps 
Sumner Tunnel travel time dashboard
Travel time dashboard 

Contact Us

Address

10 Park Plaza, Boston, MA 02116
Directions 

Phone

Project hotline Call Sumner Tunnel Project, Project hotline at (508) 510-2920

Online

Contact the project team Email Sumner Tunnel Project at Sumner100@dot.state.ma.us
Sign up for project updates 

Background Information

Project History  Documents and Meeting Materials  Public Engagement 

Upcoming Events

No upcoming events scheduled
See past events

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