HighwayTODAY

Highway 400

Toronto's main route to cottage country, running north from the 401 toward Barrie.

Today’s planned road status

Is the Highway 400 closed today?

No full mainline closure is announced on the Highway 400 today in our current sources. Lane and ramp work is listed below.

What about this coming weekend?

No closure is announced on the Highway 400 this coming weekend in our current sources.

Dataset refreshed 2026-09-04 · individual source links appear below

Upcoming datesScan announced full closures, lane work, and ramp restrictions.This weekendSee Highway 400 work alongside major event timing.Today in Toronto: Heavy · Wu-Tang Forever: The Final ChamberThe full day outlook: timing, affected areas, and transit.

Also check

All closures

Plan ahead · announced dates only

Highway 400 closure calendar

Scan announced full closures, lane restrictions, and ramp work. Blank dates mean we have not found an announcement in our current sources—not that conditions are guaranteed to stay clear.

No full mainline closure announced in this window.

Lane or ramp restrictions may still be listed below. Schedules can be added or changed.

Show dates with

Announced dates

No dates match this filter.

No restriction of this type has been announced for Highway 400 in the displayed window. Try another filter and check again before travel.

Month scan

Announced dates are buttons. Unmarked dates mean no announcement was found in the current sources.

September 2026

October 2026

November 2026

December 2026

No dates match this filter.

No restriction of this type has been announced for Highway 400 in the displayed window. Try another filter and check again before travel.

Showing announced Highway 400 records dated through December 1, 2026. This is the display window, not a guarantee of source coverage. Closure schedules can shift or be cancelled, especially for weather-dependent work.

Check City of Toronto planned road closure list ↗

Checking the Highway 400 again next week?

★ PLANNED GARDINER, DVP, AND 401 CLOSURES FOR THE WEEK AHEAD, IN ONE SATURDAY EMAIL. ★

READ THE SUNDAY BRIEF →

★ Corridors to compare

Highway 27 and Yonge Street run north–south south of King City; both are surface corridors with signals and local access. Which one wins depends on the day — check a live map before you leave.

/01