Current traffic on Highway 404 — accidents, construction and closures in real time.
Nightly Construction on HWY 404 Southbound between VANDORF SIDEROAD, Aurora and STOUFFVILLE ROAD, Stouffville-Richmondhill. 2 Alternating Lane(s).
Nightly Construction on HWY 404 Northbound between STOUFFVILLE ROAD, Stouffville-Richmondhill and AURORA ROAD, Whitchurch-Stouffville. 2 Alternating Lane(s).
Nightly Construction on HWY 404 Northbound On-ramp at DAVIS DRIVE, Newmarket. ALL LANES CLOSED.
Nightly Construction on HWY 404 Southbound Collector between GREEN LANE, Gwillimbury and AURORA ROAD, Whitchurch-Stouffville. 1 Alternating Lane(s).