TODAY / JUN 9HEAVY
416TRAFFIC
416 TRAFFIC/ROADS/HIGHWAY 401
HighwayLIVE

Highway 401

Ontario's busiest highway and the northern boundary of Toronto's expressway grid.
Active today
20
11 full, 9 partial
Long-running
0
No 30+ day closures
Severe upcoming
1
Full closures pending
Upcoming · 30d
1
Closures in next 30 days

Is the Highway 401 closed today?

Yes — 11 full closures are active on the Highway 401 today, plus 9 partial closures or construction zones.

Is the Highway 401 closed this coming weekend?

2 full closures and 2 partial closures or construction zones are scheduled this coming weekend.

Last updated 2026-06-09 · sourced from Toronto Open Data and Ontario 511

★ Typical worst times

Eastbound 7–10am into Toronto, westbound 3–7pm out of Toronto. Saturday afternoons in summer are also heavy.

★ Detour summary

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

/01

Traffic zones

Status by segment · 5 segments

Highway 401 · Windsor → Quebec border

clearminorheavyclosed
Windsor
Milton
Toronto
Pickering
Cornwall
/02

Active today

TorontoHwy 427 / Yonge / DVP8 closures · 5 fullPARTIAL
Scarborough / DurhamDVP / Scarborough / Pickering / Whitby12 closures · 6 fullMINOR · NIGHTS
Outer westWindsor / Chatham / London0 closuresCLEAR
✓ No closures in this segment.
Milton / MississaugaCambridge / Milton / Mississauga / Pearson0 closuresCLEAR
✓ No closures in this segment.
Outer eastCobourg / Kingston / Cornwall0 closuresCLEAR
✓ No closures in this segment.
/03

Upcoming closures

Date

Highway 401 (Westbound)

Road page ->

1 record · 1 full · 1 near North York

NIGHT / LONG-TERM