OPP investigating fatal tanker truck rollover on Hwy. 401 in Mississauga

Incident details

Ontario Provincial Police (OPP) are investigating after a tanker truck hauling “dangerous goods” rolled over on Highway 401 in Mississauga.

• The incident took place in the eastbound express lanes of the highway between Winston Churchill Boulevard and Mississauga Road around 10:20 a.m. ET on May 15.
• In a video on X (formerly Twitter), OPP Sgt. Kerry Schmidt said the vehicle rolled up against the “concrete wall” of Highway 401.
• The driver of the tanker truck was pronounced dead at the scene.

WATCH: OPP Sgt. Kerry Schmidt provides an update on the fatal tanker truck rollover on Highway 401.

Fatal collision: Tractor trailer hauling dangerous goods rolled over on EB #Hwy401 between Winston Churchill and Mississauga Rd. No other vehicles were involved. The driver of the tractor trailer was pronounced deceased at the scene.
The express lanes are closed in both… pic.twitter.com/lbX43nN5pB

— OPP Highway Safety Division (@OPP_HSD) May 15, 2025

Witnesses sought

Anyone with information on the fatal rollover, including cellphone or dashcam footage, is asked to contact the OPP.

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Legal resources

Incidents like this highlight the importance of understanding your rights in the event you’re injured during a motor vehicle collision in Ontario — either as a driver, passenger, or pedestrian.

For those seeking more information and legal guidance, the dedicated Mississauga personal injury lawyers at Samfiru Tumarkin LLP are here to support you.

We understand the overwhelming challenges you face after an accident and are committed to fighting for your rights.

Our compassionate and experienced personal injury lawyers offer free consultations to guide you through the legal process and ensure you receive the full compensation you deserve. Your recovery is our priority.