Officials will close two lanes on the H-1 Freeway Salt Lake Viaduct in the westbound direction overnight tonightfor pothole repairs, the state Department of Transportation said.

Transportation officials said the two-lane closures will occur from 9 tonight to 4 a.m. tomorrow morning.

Motorists are advised to use caution while driving through the work area and to allow for extra travel time. Roadwork is weather-permitting.