Sumner Tunnel Closure July 5th to August 31st 2023
Posted on: June 26, 2023 - 12:06pm
Sumner Tunnel Closure and Detour
The Sumner Tunnel will be closed seven days a week from July 5th 2023 to August 31st 2023.
During this time, traffic will be diverted through signed detour routes.
Additional information can be found HERE