Advisory
Mammoth Road Single Lane Closure Notice: Starting November 10th
Sincerely,
Environmental Protection Division
Department of Public Works
City of Manchester
Mammoth Road Single Lane Closure Notice: Starting November 10th 
As part of the Cemetery Brook Drain Tunnel Project, a portion of Mammoth Road between Porter Street and Nelson Street will be reduced to alternating one way traffic for a period of time.
- Closure begins: November 10, 2025
- Anticipated reopening: November 21, 2025
- One-way alternating traffic will be maintained.
- Driveway access to local businesses and homes within closures will be maintained and closely coordinated by the Contractor.
- Please plan ahead and utilize alternate travel routes.
Sincerely,
Environmental Protection Division
Department of Public Works
City of Manchester
Address/Location
Manchester, NH: City
Manchester, NH 03101
Contact
Emergency: 9-1-1
