Ontario changes direction on westbound 402 speed limits in Sarnia Ontario is adjusting plans for the speed limit in the westbound lanes of Highway 402 in Sarnia after local officials raised safety concerns. Article content Ontario’s Transportation Ministry says it changed its plan for the speed limit in the westbound lanes of Highway 402 in Sarnia after local officials raised safety concerns. Try refreshing your browser, or Ontario changes direction on westbound 402 speed limits in Sarnia Back to video We apologize, but this video has failed to load. “The ministry will continue to monitor the operating speeds on Highway 402 and implement any additional improvements, as needed, to support safe travel along the corridor,” Sarkaria said in his letter. In June, the ministry said the higher speed limit for several sections of 400 series highways followed successful increases to other sections in 2024 and 2022. pmorden@postmedia.com Read More Study needed before increasing Highway 402 speed limit: Point Edward OPP detachment board Speed limit of Hwy.