Ontario Raises Highway Speed Limits to 110 km/h on Major Stretches
Starting August 21, drivers across Ontario can travel faster on Highway 400 and other major provincial highways as speed limits increase from 100 to 110 km/h. By September 30, nearly 90% of the province's highway network will have the higher limit.
Effective Friday, August 21, Ontario began raising speed limits on multiple stretches of provincial highways, with Highway 400 between Highway 401 and Lake Joseph Road among the first affected routes to see the increase from 100 km/h to 110 km/h. Additional changes are scheduled for August 31 on Highway 401 segments and September 30 on Highways 403, 404, and 406.
Why the Change?
Transportation Minister Prabmeet Sarkaria said the increases are based on safety and previous pilot testing. Most of Ontario's freeway network was originally engineered to safely accommodate 110 km/h speeds. By the end of September 2026, the government estimates roughly 89% of provincial highways will have posted limits of 110 km/h.
Time Savings
- Drivers travelling from Sarnia to Toronto could save nearly 20 minutes
- Those traveling from Toronto to Ottawa could save roughly 30 minutes
For visitors and newcomers driving in Ontario, especially those commuting between major cities, these changes mean faster travel times on key routes. If you're planning a road trip or regular travel between Toronto and other major centres, check the full list of affected highway sections to see how your route is impacted by the August and September changes.
Sources
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