Nightly Maintenance on HWY 401 Westbound Transfer at HWY 404, Toronto.

What's affected

HWY 401 (Westbound) at HWY 404 is impacted by a full mainline 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

• J. Cole: The Fall-Off Tour

  Jul 27 · Scotiabank Arena

• 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 27 · Toronto transit

• TTC 506|306 Route change due to City and TTC construction

  Jul 27 · Toronto transit

• Styx & Chicago: The Windy Cities Tour

  Jul 28 · RBC Amphitheatre

• J. Cole: The Fall-Off Tour

  Jul 28 · Scotiabank Arena

• 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 28 · Toronto transit

• 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

Plan ahead

• More on Highway 401
• Toronto traffic on Mon, Jul 27, 2026
• Toronto traffic on Tue, Jul 28, 2026
• Toronto traffic on Wed, Jul 29, 2026