Highway●LIVE
Highway 403
Highway 403 runs from Mississauga through Oakville and Hamilton to Woodstock, paralleling the QEW for part of its length.
Active today
0
All clear
Long-running
0
No 30+ day closures
Severe upcoming
0
No new full closures
Upcoming · 30d
0
Nothing scheduled
Is the Highway 403 closed today?
No — there are no closures or construction reported on the Highway 403 today.
Is the Highway 403 closed this weekend?
No closures are scheduled on the Highway 403 this weekend.
Last updated 2026-06-12 · sourced from Toronto Open Data and Ontario 511
★ Typical worst times
Eastbound 7–9am into Mississauga and Toronto, westbound 4–7pm.
★ Detour summary
The QEW handles overflow east of Hamilton; Dundas Street is a slow surface alternate.
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Active today
✓ All clear today
NO ACTIVE CLOSURES OR CONSTRUCTION ON HIGHWAY 403
/02
Upcoming closures
✓ All clear ahead
NO NEW CLOSURES OR CONSTRUCTION REPORTED · CHECK BACK FOR UPDATES
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Driving in on the 403?
Commuter route pages stitch closures into the leg-by-leg journey