404 Traffic in Ontario

• 404 Toronto Traffic
• 404 Richmond Hill Traffic
• 404 Aurora Traffic
• 404 Markham Traffic
• 404 Whitchurch-Stouffville Traffic
• 404 East Gwillimbury Traffic
• Other Cities Along 404
• 404 Ontario Accident Reports (8)
• 404 Ontario Weather Conditions (8)

Live Reports from the DOT's Twitter

• 11 hours ago

  511Ontario

  Cleared: Recurring-Maintenance on #HWY404 Northbound On-ramp at MAJOR MACKENZIE DRIVE, Markham-Richmondhill . ALL LANES CLOSED. #Closure #ONHwys

• 16 hours ago

  511Ontario

  Recurring-Maintenance on #HWY404 Northbound On-ramp at MAJOR MACKENZIE DRIVE, Markham-Richmondhill . ALL LANES CLOSED. #Closure #ONHwys https://t.co/GWbF1cBF6O

DOT Accident and Construction Reports

• Expect delays up to 15 minutes. Highway 400 between Langstaff and Major Mackenzie Closure

  TYPE: Construction Serious

• Expect delays up to 15 minutes. Highway 400 between Langstaff and Major Mackenzie Closure

  TYPE: Construction Serious

• taging. Traffic will be controlled by paid duty officers. Speed limit and height restricti

  TYPE: Construction Moderate

• he same intersection during night shifts (8:00?p.m. to 6:00?a.m.) on May 28-29, 2025, usin

  TYPE: Construction Serious

• the same intersection during night shifts (8:00 p.m. to 6:00 a.m.) on May 28-29, 2025, usi

  TYPE: Construction Moderate

• There is no impact on traffic. Highway 400 - North of 5th Line - approximatively 700 metre

  TYPE: Miscellaneous Moderate

• uring holiday - no closures Start date: May 30th ,2022. End date : December 10, 2026 6. 1-

  TYPE: Construction Serious

• Expect delays up to 10 minutes. Highway 401 / Wilson Road, Oshawa. 1) May 5, 2025 to May 9

  Road Closed

  TYPE: Miscellaneous Serious