The New Hampshire Department of Transportation (NHDOT) advises motorists that they will close the I-95 southbound on-ramp at Exit 7 in Portsmouth beginning Sunday, September 21, 2025, through Friday, October 3, 2025.
Nighttime lane and shoulder closures will occur from 10:00 pm to 5:00 am. on I-95 Southbound between mile markers 15.6 and 14.0. Traffic will be detoured via Market Street to the Portsmouth Traffic Circle to access I-95 southbound.
Please allow extra travel time as delays are likely. Drive safely through the work zone.
What’s I-95 traffic like RIGHT NOW? Get Real-time traffic information for cities along Interstate 95. Maps show updates on I-95 road construction, traffic accidents, travel delays and the latest traffic speeds. I-95 traffic cameras show congestion at a glance. Visit I-95 Traffic.
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