At approximately 5:00PM, Emergency services were called to the 401 eastbound, before CR-28 for a single vehicle MVC.
Upon arrival, emergency services discovered a Honda sedan that had gone through the ditch, up an embankment, nearly hitting the sound barrier wall.
Two victims were transported to Northumberland Hills Hospital from the scene, and one other victim who had fled from the collision was found by the OPP, and transported to Northumberland Hills Hospital to be assessed.
The cause of the collision has not yet been determined.
At 8:00PM emergency services cleared the scene, and all lanes were re-opened.