Rock excavation along the US Route 4 westbound off-ramp at NH Route 108 in Durham is what had traffic detoured on Monday.

That work will continue through Wednesday, according to officials at the NH Department of Transportation.

Work will include removing loose stone from the rock face with a large excavator and hauling it away to be crushed into usable aggregate. Adverse weather conditions would delay this work, according to a news release.

The daily closing of the off-ramp will be between the hours of 9:00 a.m. and 2:30 p.m.

Officials were planning on Friday to have all traffic detoured to the US 4 westbound exit at NH 155A, where motorists can reverse directions onto US 4 eastbound.

Motorists can then take the US 4 eastbound off-ramp at NH 108, ending the detour.

Signs, message boards, and a uniformed officer will be used to direct motorists through the work zone, according to the news release.

The public is reminded that Madbury Road should be used for local traffic only, and no commercial vehicles over 24,000 pounds are allowed on this road per the officials in the town of Durham.

The proposed work is part of the Durham 16254 project.  S.U.R. Construction is the prime contractor of the $760,000 project which is scheduled to be completed in October 2021, according to the news release.

Contact Managing News Editor Kimberley Haas at


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