Detour to be Implemented on Somerville Ave. Eastbound (Between Dane St. and the Somerville Ave./Washington St. Intersection) in November

As part of the ongoing Somerville Ave. Utility & Streetscape Improvements Project, a work zone will require detour for through traffic from November 2018 through approximately April 2019. Access to businesses will be maintained.

The next phase of the Somerville Ave. Utilities & Streetscape Improvements project is set to begin in early November (an exact start date is TBD pending completion of utility work by Eversource) and continue for approximately six months (through April 2019). During that time, contractors will begin installation of a stormwater box culvert on Somerville Ave. between Bow St. and Washington St. This box culvert will help minimize flooding in and around the Union Square area as well as serve as stormwater storage. Due to the size of the work zone and equipment required to do the work, and for the safety of the general public and the contractors, motor vehicle through-traffic will not be able to access Somerville Ave. past Bow St. and continuing through the square.

Through-traffic traveling eastbound on Somerville Ave. will be detoured onto Dane St. and Washington St. for the duration of this work, but vehicles will be able to access Somerville Ave. up to and including Bow St. in order to access homes and businesses in the area.

Westbound traffic will be maintained, as will pedestrian and bicycle traffic in both directions. Additionally, MBTA bus routes 85 and 87 between Dane St. and Union Sq. will be impacted. For maps and detour information for vehicles and buses, Frequently Asked Questions and other project information, visit, or email with questions.

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