Ted Williams Tunnel Closure 2025. Massdot officials expect about half of the sumner tunnel’s normal traffic will be detoured through the ted williams tunnel and the other half over the tobin bridge. The ted williams tunnel reopened at about 11:30 p.m.

This is the second summer in a row that the tunnel is facing an extended closure as part of a $160 million. After a full month of construction, the sumner tunnel is back in business.