1 Dead, 1 Hospitalized Following Hwy. 9 Collision West of Newmarket

Incident Details

Ontario Provincial Police (OPP) are investigating a fatal collision involving a tractor-trailer and an SUV on Highway 9 — west of Newmarket.

• The incident took place near Weston Road just after 1pm ET on July 4.
• An aerial photo of the scene shows significant damage to the driver’s side of a white SUV.
• 1 person has been pronounced dead and another individual has been taken to hospital.
• Officials haven’t disclosed which vehicles the deceased and injured were in.

Fatal collision: One person is deceased and another person in hospital after a two vehicle collision. #Hwy9/Weston Rd.
Hwy 9 closed between South Canal Bank Rd and Hwy400.
Weston Rd closed in both directions approaching Hwy 9.
Updates to follow. ^ks

— OPP Highway Safety Division (@OPP_HSD) July 4, 2025

Investigation Updates

The cause of the fatal collision remains under investigation. It’s unclear if charges are pending.

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

SEE ALSO
• 1 Dead, 2 Hospitalized Following Multi-Vehicle Newmarket Collision
• Don’t Sleep on Safety: OPP Charge Hyundai Driver with Unsecured Mattresses
• Notable Toronto and GTHA Car Accidents

Legal Resources

Tragic 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 Newmarket 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.