Speed limits increasing on most Ontario highways this summer

Nearly 1,000 kilometres of Ontario highways will see their speed limits increase to 110 km/hour this summer in an effort to reduce gridlock and keep drivers moving. 

Starting on Friday, the provincial government will begin by increasing the posted speed limit on Highway 401 from Highway 15 to Highway 16 and Highway 416 from Cedar Grove Road to Highway 401, followed by more sections throughout the summer. 

Transportation Minister Prabmeet Sarkaria told reporters that Ontario has already increased the speed limit on 876 kilometres of the province's highways over the past few years. 

Premier Doug Ford added on social media that by October, nearly 90 per cent of Ontario's highway network will be at 110 km/hour, "reflecting the speed" for which the province's highways were designed. 

Starting this summer, we’re increasing speed limits wherever it’s safe to do so on highways across Ontario, getting drivers where they need to go faster.

By October, close to 90 per of Ontario’s highway network will be at 110 km/hr, reflecting the speed for which our highways… pic.twitter.com/b4yhKVx2yT

— Doug Ford (@fordnation) June 24, 2026

"This work is critical to improve travel times for families, commuters and workers and will benefit millions of drivers," Sarkaria said. 

Speed limits will be increased to 110 km/hour across more sections of Ontario highways over the next few months, including:

• Highway 402 from Highway 401 to White Oak Drive on July 31, 2026
• Highway 402 from Waterworks to 350m east of Colborne Drive on July 31, 2026
• Highway 7 from Appleton Side Road/County Road 17 to Highway 417 on Aug. 21, 2026 
• Highway 115 from Highway 35 to Parkway Interchange on Aug. 21, 2026 
• Highway 400 from Highway 401 to Lake Joseph Road on Aug. 21, 2026 
• Highway 416 from 1.5 km south of Highway 416/417 to Fallowfield Road/County Road 12 on Aug. 21, 2026 
• Highway 417 from Leitrim Road to Ottawa Regional Road 174 on Aug. 21, 2026 
• Highway 417 from Highway 416/417 Interchange to Highway 7 on Aug. 21, 2026 
• Highway 401 from Merlin Road to Highway 427 on Aug. 31, 2026
• Highway 401 from Highway 404 to Highway 35/115 on Aug. 31, 2026
• Highway 401 from Cobourg to Colborne on Aug. 31, 2026
• Highway 401 from Sidney Street to CNR Overhead Bridge in Belleville on Aug. 31, 2026
• Highway 401 from County Road 38 to Highway 15 on Aug. 31, 2026
• Highway 403 from Highway 401 to Middletown Line on Aug. 31, 2026
• Highway 403 from Queen Elizabeth Way (QEW) to Highway 401 on Sept. 30, 2026
• Highway 404 from Highway 401 to Mulock Drive on Sept. 30, 2026
• Highway 406 from Westchester Avenue to Highway 58 on Sept. 30, 2026
• Highway 407 from Brock Road to Highway 35/115 on Sept. 30, 2026
• Highway 412 from Highway 401 to Highway 407 on Sept. 30, 2026
• Highway 418 from Highway 401 to Highway 407 on Sept. 30, 2026
• QEW from Freeman Interchange to Highway 403 on Sept. 30, 2026
• QEW from Concession Road to McLeod Road on Sept. 30, 2026
• QEW from Mountain Road to Jordan Road on Sept. 30, 2026