MOUNT VERNON, Wash. — Crews are making some much needed traffic updates in Mount Vernon.

The City of Mount Vernon is upgrading signal heads on stoplights.

Work will take place from 7 AM to 5 PM Monday through Thursday until March 10th.

Signals will be flashing red while crews work on intersections along the College Way and Riverside Drive corridors and drivers should treat them like 4-way stops.

Flaggers will be on site to help direct traffic.