Continuous Engineering Investigation on HWY 401 Westbound On-ramp at DUFFERIN STREET, Toronto.

What's affected

HWY 401 (Westbound) at DUFFERIN STREET is impacted by a road closure with full closure conditions. Expect impact to ALL LANES CLOSED.

Suggested detour: Highway 7 to the north and the 407 ETR (toll) are the practical alternates. Avenue Road, Yonge, and Eglinton cannot absorb 401 volume.

Same-day events

• Amyl and the Sniffers

  Jun 4 · RBC Amphitheatre

• Josh Groban with special guest Jennifer Hudson

  Jun 4 · Scotiabank Arena

• Laura Pausini - Yo Canto World Tour

  Jun 4 · Coca-Cola Coliseum

• TTC Line 1 (Yonge-University) - St George to Sheppard West stations - Nightly early closures - Monday, June 1 to Friday, June 5, 2026

  Jun 4 · Toronto transit

• Luminato Festival Toronto

  Jun 4 · Various Toronto Venues

• Lakeshore West Construction

  Jun 4 · Toronto transit

• Toronto Blue Jays vs Baltimore Orioles

  Jun 5 · Rogers Centre

• bbno$ - The Internet Explorer Tour

  Jun 5 · RBC Amphitheatre

• Do West Fest

  Jun 5 · Dundas Street West

• Don Toliver: Octane Tour

  Jun 5 · Scotiabank Arena

Plan ahead

• More on Highway 401
• Toronto traffic on Thu, Jun 4, 2026
• Toronto traffic on Fri, Jun 5, 2026