Nightly Maintenance on HWY 401 Westbound On-ramp at DUFFERIN STREET, Toronto.

What's affected

HWY 401 (Westbound) at DUFFERIN STREET is impacted by a full ramp closure. The source lists affected lanes as: ALL LANES CLOSED.

Corridors to compare: Highway 7 runs east–west north of the 401, while the 407 ETR is a tolled east–west highway. Avenue Road, Yonge Street, and Eglinton Avenue are signalized local corridors. A navigation app can compare current conditions and restrictions across these corridors.

Same-day events

• TTC Line 4 (Sheppard) - Sheppard-Yonge to Don Mills stations - Nightly early closures starting at 11:59 p.m. - Monday, July 27 to Friday, July 31, 2026

  Jul 29 · Toronto transit

• Toronto Tempo v Minnesota Lynx

  Jul 30 · Scotiabank Arena

• Lynyrd Skynyrd x Foreigner: Double Trouble Double Vision Tour

  Jul 30 · RBC Amphitheatre

• Toronto Caribbean Carnival King & Queen Showcase

  Jul 30 · Lamport Stadium

• TTC Line 4 (Sheppard) - Sheppard-Yonge to Don Mills stations - Nightly early closures starting at 11:59 p.m. - Monday, July 27 to Friday, July 31, 2026

  Jul 30 · Toronto transit

• Toronto Blue Jays vs St. Louis Cardinals

  Jul 31 · Rogers Centre

• NE-YO & AKON: Nights Like This Tour 2026

  Jul 31 · RBC Amphitheatre

• VELD Music Festival

  Jul 31 · Downsview Park

• Toronto Caribbean Carnival Panorama

  Jul 31 · Lamport Stadium

• TTC Line 4 (Sheppard) - Sheppard-Yonge to Don Mills stations - Nightly early closures starting at 11:59 p.m. - Monday, July 27 to Friday, July 31, 2026

  Jul 31 · Toronto transit

Plan ahead

• More on Highway 401
• Toronto traffic on Wed, Jul 29, 2026
• Toronto traffic on Thu, Jul 30, 2026
• Toronto traffic on Fri, Jul 31, 2026