Mississauga, ON — July 8, 2025 — A serious collision on Highway 407 ETR eastbound has brought traffic to a halt and left a community shaken, as emergency crews responded to a devastating crash Tuesday afternoon between Mississauga Road and Mavis Road.

The collision, which occurred under still-unclear circumstances, prompted the full closure of the eastbound lanes of the 407, as well as the on-ramps from Mississauga Road. Ontario Provincial Police and emergency responders arrived quickly at the scene, where the wreckage of the vehicles involved told a harrowing story of impact and loss.

Authorities have not yet confirmed the number of victims or the extent of injuries, but early reports indicate that the crash was severe, involving at least one heavily damaged passenger vehicle. Bystanders and drivers caught in the traffic spoke of seeing multiple emergency units racing to the scene.

“This was one of the worst crashes I’ve seen on this stretch of highway,” one witness said. “It was heartbreaking.”

As investigators work to reconstruct the crash and determine its cause, the stretch of Highway 407 remains a somber reminder of how quickly tragedy can unfold on the road.

Motorists are advised to avoid the area and expect extended delays. Updates will follow as more information becomes available.

In the meantime, thoughts and prayers pour in for all those affected by the incident. A once-routine drive ended in heartbreak — a sobering reminder of life’s fragility behind the wheel