Full mainline closure
SBRENFORTH DR
10 p.m.–5 a.m.
Source last checked October 23, 2026
Check Ontario 511 ↗HighwayTODAY
Highway 427
Toronto's western expressway connecting Pearson Airport to the QEW and the 401.
Today’s planned road status
Is the Highway 427 closed today?
Yes — A full mainline closure is announced on the Highway 427 today. SB · RENFORTH DR. 10 p.m.–5 a.m.. Source last checked Oct 23, 2026. Lane and ramp work is also listed.
What about this weekend?
A full mainline closure is announced for Oct 25, 2026. Lane and ramp work is also listed.
Dataset refreshed 2026-10-23 · individual source links appear below
Upcoming datesScan announced full closures, lane work, and ramp restrictions.This weekendSee Highway 427 work alongside major event timing.Today in Toronto: Heavy · Marlies vs RockfordThe full day outlook: timing, affected areas, and transit.
Also check
Plan ahead · announced dates only
Highway 427 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.
Announced full mainline closure today
Nightly, Sun, Oct 25–Wed, Oct 28 · 10 p.m.–5 a.m.
SB · RENFORTH DR
Source last checked October 23, 2026
Announced dates
Showing announced Highway 427 records dated through January 17, 2027. 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 427 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 Kipling Avenue run north–south near the 427 as surface corridors. Highway 410 is farther west and connects Brampton with the 401. Which one wins depends on the day — check a live map before you leave.
/01
Active today
Time
Highway 427 (Southbound)
3 records · 1 full roadway · 3 near Etobicoke
HEAVY
Highway 427 (Southbound)
3 records · 1 full roadway · 3 near Etobicoke
/02
Long-running closures
Closures lasting 30+ days
★ Multi-month closures
2 ACTIVE · 30+ DAYS@ HWY 409 Continuous Construction on HWY 427 Southbound Off-ramp at HWY 409, Toronto. 1 Left Lane(s).
★ ~ 5 months · until Nov 30
Jul 15 (start)TodayNov 30 (end)
@ HWY 409 Continuous Construction on HWY 427 Southbound Off-ramp at HWY 409, Toronto. 1 Right Lane(s).
★ ~ 5 months · until Nov 30
Jul 15 (start)TodayNov 30 (end)
/03
Upcoming closures
Date
Highway 427 (Southbound)
1 record · 1 near Etobicoke
NIGHT / LONG-TERM
Highway 427 (Southbound)
1 record · 1 near Etobicoke
/100
Driving in on the 427?
Commuter route pages stitch closures into the leg-by-leg journey