加拿大高速公路和道路上发生多起致命车辆碰撞事故，调查仍在进行中。 Multiple fatal vehicle collisions occur across Canadian highways and roads, ongoing investigations.

最近几天，加拿大各地发生车祸，造成多人丧生。 Multiple people have lost their lives in vehicle collisions across Canada in recent days. 这些悲惨事故发生在多条高速公路和道路上，涉及不同类型的车辆。 The tragic accidents occurred on various highways and roads, and involve different types of vehicles. 调查正在进行中，以确定这些事故的原因，当局呼吁公众提供信息。 Investigations are ongoing to determine the cause of these accidents, and authorities are appealing to the public for information. 警方已向在这些事故中丧生的人的家人和朋友表示哀悼。 The family and friends of those who have lost their lives in these accidents have been offered condolences by the police.