As the traffic volume increases with the warmer weather, officials say so does the number of crashes.

The drivers - both 33 years old - have been identified as Sukhvir Sidhu of Steinback, Man., and Amrit Sekhon of Calgary.

A stretch of Highway 401 through eastern Ontario has reopened following weather-related collisions that left one person dead, 28 people injured and officials scrambling to contain a chemical spill.