Connecting Lowell, Chelmsford, Westford, Carlisle, Acton, Concord, Sudbury, and Framingham in Massachusetts.
Work has continued on the Powder Mill Road culvert during the month of August.
Powder Mill Culvert construction – August 2017. Photo credit: John Wood
Here are two panoramas showing progress on the Powder Mill Road culvert. (Panoramas by John Wood)