LEBANON — A portion of Mount Support Road will be closed all day Saturday for “utility crossing work,” according to a news release from the city.

The portion of road between the Dartmouth-owned housing complex Summit on Juniper and the Marek South apartments will be closed to through traffic from 7 a.m. to 5 p.m. and a detour will be in place.

Vehicles will be able to access Summit on Juniper through the roundabout on Lahaye Drive. On the other end of the closure, traffic entering Marek South and other properties, including Timberwood Commons, will have to enter via Heater Road.