Route 10 southbound is closed from Old Farms Road in Avon to Route 4 in Farmington for emergency repair to the traffic loop sensor in the road.
The sensor, which triggers the traffic light at Routes 4 and 10 was damaged in overnight construction.
A detour is set up from Old Farms Road to Tillotson Road to Town Farm Road back to Route 4 and this should last until 3 p.m.
Traffic is heavy in the area.
