Sumner Tunnel to close weekends beginning June 10

After nearly a century of service, the Sumner Tunnel will undergo a full restoration. This restoration process includes the tunnel closing seven days a week from May-September 2023. The Sumner Tunnel was opened on June 30, 1934. The Sumner Tunnel is named for William H. Sumner, the son of Governor Increase Sumner.

The Sumner Tunnel will close every weekend beginning June 10, 2022, from 10:00 p.m. on Friday to 5:00 a.m. on Monday, for 36 weeks, excluding holidays, to undergo a multi-year restoration process.