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Posted 3/4/2016

Release no. 16-013

Tim Dugan

CONCORD, Mass. – Construction activities continue on Phase 1 of the $30.9 million Muddy River Flood Risk Management and Environmental Restoration project in Boston, Massachusetts. On Saturday, March 12, a portion of the Avenue Louis Pasteur roadway (bridge) will be closed to vehicular and pedestrian traffic in order to remove the temporary diversion piping that was installed beneath the roadway for the river diversion work about a year ago. Vehicular traffic will be detoured to Boylston Street and Kilmarnock Street for those who want to be traveling on Park Drive in the vicinity of Peterborough Street and Queensberry Street (see attached plan for detour route and affected work area). Advanced signage will be in place for the detour. In order to avoid impact to vehicular and pedestrian traffic flow during a weekday, this detour is being implemented on a weekend when traffic is lighter. The expected duration of the detour is 1 day (Saturday, March 12) before the roadway can be opened up to permanent traffic.

Details concerning this weekend work are as follows:
  • Work to start on March 12;
  • Hours will be from 7 a.m. to 4 p.m.;
  • Police detail will be provided for the duration of detour;
  • Vehicular traffic inbound from Riverway – detouring of traffic to Boylston Street to Kilmarnock Street for those who want to be traveling on Park Drive;
  • Vehicular traffic inbound from Fenway – detouring of traffic to opened portion of Avenue Louis Pasteur to Longwood Avenue to Brookline Avenue to Boylston Street to Kilmarnock Street for those who want to be traveling on Park Drive;
  • Excavation of roadway; removal of the installed 2-24” and 1-18” diameter piping; placement and compaction of backfill material; and paving of the roadway opening.
These activities are necessary in order to remove the temporary piping for the Muddy River diversion work which allowed our contractor to excavate and dispose of sediment from the Upper Fens Pond to construct the flood control channel; restore and protect the banks of the Upper Fens Pond; and daylight the river in the area near Avenue Louis Pasteur. We will do all we can to minimize impacts to the public during these activities.

For Muddy River project construction updates visit the website at:

If you have questions contact Project Manager Jennifer Flanagan at or call 

Avenue Louis Pasteur detour Muddy River