Ontario Provincial Police have closed the westbound ramp from Highway 401 to Highway 427 following a serious collision on Tuesday morning. The closure was announced just before 10:44 a.m. EDT, and drivers are being urged to avoid the area and use alternative routes. No details on the number of vehicles involved or injuries have been released at this time.
Emergency Response and Investigation
Emergency crews are on the scene, and the OPP are investigating the cause of the crash. The ramp remains closed indefinitely as officers work to clear the wreckage and gather evidence. Motorists are advised to expect delays and plan alternate routes, such as using Highway 410 or local roads to bypass the closure.
Traffic Impact and Advisories
The closure affects a key interchange in the Greater Toronto Area, which typically sees heavy traffic. Commuters are encouraged to check real-time traffic updates and consider public transit options. The OPP has not provided a timeline for reopening but will update the public as more information becomes available.



