Parts of the eastbound lanes on Highway 403 in Mississauga are closed following a collision involving a dump truck on Friday morning.
Provincial police say these lanes are closed between Mavis Road and Hurontario Street.
Police say a truck struck the overpass at Hurontario Street at around 11:20 a.m.
Footage from the scene appears to show a grey truck bed lodged almost vertically underneath the overpass.
Police say additional lane closures are possible.
There are no reported injuries.
Road Closure:
— OPP Highway Safety Division (@OPP_HSD) May 15, 2026
- #Hwy403 EB at Hurontario St. #Mississauga all EB lanes are closed.
- Time of incident: 11:19 a.m.
- A dump truck travelling with its box raised struck the overpass.
- No other vehicles involved and no injuries reported.
- #MississaugaOPP are on scene… pic.twitter.com/2pgZnQhR97

