Highway 400 northbound between Essa Road and Dunlop Street was closed for hours after a crash that send one person to the hospital, according to police. Read More

Ontario Provincial Police are asking drivers to slow down and keep an eye out for cow on the loose after it was spotted on Highway 400 near Innisfil Beach Road. Read More

You don't need to sit in traffic - 34 closures are scheduled for roadwork on provincial highways in York Region on June 6, 2026: Nightly Highway 400 northbound express between Langstaff Road and Bass ... Read More

Nightly Highway 400 northbound express between Langstaff Road and Bass Pro Mills Drive, Vaughan: four alternating lanes closed from May 31 at 9 p.m. until June 6 at 7 a.m. Daily Highway 48 southbound ... Read More

A grass fire near an encampment in Barrie forced a lane closure on Highway 400 near Anne Street, causing traffic delays as crews responded. Read More

Nightly Highway 400 northbound express between Langstaff Road and Bass Pro Mills Drive, Vaughan: four alternating lanes closed from May 31 at 9 p.m. until June 6 at 7 a.m. Daily Highway 48 southbound ... Read More

One person has died in a single-vehicle collision at the Highway 400 northbound exit ramp to Highway 559 in Carling Township early Friday morning, the West Parry Sound OPP detachment said in a release ... Read More

Ontario Provincial Police have laid racing- and stunt-driving-related charges against two motorists following a traffic enforcement stop on Highway 400 in the Parry Sound area. Officers allege the veh ... Read More

Daily Highway 48 southbound between Elgin Mills Road and Little Rouge River, Markham: one right lane closed from April 16 at 9 a.m. until April 30 at 2 p.m. Nightly Highway 400 northbound express ... Read More

Nightly Highway 400 northbound between King Road, King and Aurora Road, Kettleby: one right lane closed from April 20 at 8 p.m. until April 27 at 5 a.m. Nightly Highway 404 northbound between ... Read More

Expect delays along these routes - 15 closures are scheduled for roadwork on provincial highways in York Region on April 8, 2026: Daily Highway 400 northbound between Service Centre King City Onroute ... Read More

Highway 400 northbound express between Bass Pro Mills Drive and Major Mackenzie Drive, Vaughan: three alternating lanes closed from March 17 at 10 p.m. until March 20 at 6 a.m. Highway 404 northbound ... Read More

Plan your trip before you're in your car - six closures are scheduled for roadwork on provincial highways in York Region on March 14, 2026: Highway 400 northbound express between Bass Pro Mills Drive ... Read More

Expect delays or plan an alternative route - five closures are scheduled for roadwork on provincial highways in York Region on Feb. 20, 2026: Highway 400 northbound express between Highway 7 and Bass ... Read More

Expect delays, especially during busy travel times - six closures are scheduled for roadwork on provincial highways in York Region on Feb. 19, 2026: Highway 400 northbound express between Highway 7 ... Read More

Avoid gridlock before it occurs - 25 closures are scheduled for roadwork on provincial highways in York Region on Jan. 15, 2026: Highway 400 northbound express between Highway 7 and Bass Pro Mills ... Read More

Expect delays, especially during heavy traffic periods - 21 closures are scheduled for roadwork on provincial highways in York Region on Jan. 13, 2026: Highway 400 northbound express between Highway 7 ... Read More

Avoid traffic jams before they occur - 19 closures are scheduled for roadwork on provincial highways in York Region on Jan. 11, 2026: Highway 400 northbound express between Highway 7 and Bass Pro ... Read More

You shouldn't have to sit in traffic - 12 closures are scheduled for roadwork on provincial highways in York Region on Dec. 28, 2025: Highway 400 northbound express between Highway 7 and Bass Pro ... Read More

Plan your trip before you're on the road - 27 closures are scheduled for roadwork on provincial highways in York Region on Dec. 19, 2025: Highway 400 northbound express between Highway 7 and Bass Pro ... Read More

You shouldn't have to sit in traffic - 13 closures are scheduled for roadwork on provincial highways in Toronto on Dec. 18, 2025: Highway 400 northbound between 401 and Sheppard Avenue, Toronto: one ... Read More

You don't need to sit in traffic - 19 closures are scheduled for roadwork on provincial highways in Toronto on Dec. 17, 2025: Highway 400 northbound between 401 and Sheppard Avenue, Toronto: one ... Read More

You don't need to sit in traffic - 32 closures are scheduled for roadwork on provincial highways in York Region on Dec. 17, 2025: Highway 400 northbound express between Highway 7 and Bass Pro Mills ... Read More

Plan your trip before you're on the road - 30 closures are scheduled for roadwork on provincial highways in York Region on Dec. 12, 2025: Highway 400 northbound express between Bass Pro Mills Drive ... Read More

Highway 400 northbound express between Bass Pro Mills Drive and Major Mackenzie Drive, Vaughan: three alternating lanes closed from Dec. 7 at 10 p.m. until Dec. 13 at 6 a.m. Highway 400 northbound ... Read More

Expect delays or adjust your route - 29 closures are scheduled for roadwork on provincial highways in York Region on Dec. 6, 2025: Highway 400 northbound express between Bass Pro Mills Drive and Major ... Read More

Highway 400 northbound express between Bass Pro Mills Drive and Major Mackenzie Drive, Vaughan: three alternating lanes closed from Dec. 7 at 10 p.m. until Dec. 13 at 6 a.m. Highway 400 northbound ... Read More

Avoid traffic jams before they occur - 39 closures are scheduled for roadwork on provincial highways in York Region on Nov. 25, 2025: Highway 400 northbound express between Bass Pro Mills Drive and ... Read More

Expect delays along these routes - 36 closures are scheduled for roadwork on provincial highways in York Region on Nov. 23, 2025: Highway 400 northbound express between Bass Pro Mills Drive and Major ... Read More

Highway 400 northbound between northbound Exit 182 Ragged Rapids Road / Iroquois Cranberry Growers Rd, Bala and Moon R Br Gorgian Bay Twp, Mactier: one right lane closed from Aug. 11 at 7 a.m. until ... Read More

Huronia West OPP are investigating a fatal auto collision on Highway 400 in the area of the Duckworth Street interchange in Barrie Wednesday. Read More

Highway 404 northbound on-ramp at Bloomington Road, Aurora: all lanes closed from July 30 at 10 p.m. until Sept. 4 at 5 a.m. Highway 400 northbound between Highway 7 and Bass Pro Mills Drive, Vaughan: ... Read More

You don't need to sit in traffic - 35 closures are scheduled for roadwork on provincial highways in York Region on July 11, 2025: Highway 400 northbound express between Bass Pro Mills Drive and Major ... Read More

Plan your commute before you're on the road - 34 closures are scheduled for roadwork on provincial highways in York Region on June 27, 2025: Highway 400 northbound between Major Mackenzie Drive, ... Read More

Avoid traffic jams before they occur - 38 closures are scheduled for roadwork on provincial highways in York Region on June 26, 2025: Highway 400 northbound between Major Mackenzie Drive, Vaughan and ... Read More

Highway 427 northbound between Browns Line and Finch Avenue, Toronto: one alternating lane closed from June 22 at 10 p.m. until June 27 at 5 a.m. Highway 400 northbound between Maple Leaf Drive, ... Read More

Highway 400 northbound off-ramp at Highway 12 North Jct, Tay: all lanes closed from May 7 at 10 p.m. until May 8 at 7 a.m. Highway 400 southbound between Severn River Bridge, Tay and Highway 11 Jct, ... Read More

Highway 400 northbound off-ramp at Highway 12 North Jct, Tay: all lanes closed from May 7 at 10 p.m. until May 8 at 7 a.m. Highway 400 southbound between Severn River Bridge, Tay and Highway 11 Jct, ... Read More

BUFFALO, N.Y. (WIVB) - Two people were injured in a rollover hit-and-run in West Seneca on Sunday night, police said. Police responded to Route 400 Northbound near the Union Road exit ramp just before ... Read More

Around 7:55 p.m., a white or light-colored dually pickup truck fled the scene after sideswiping an SUV causing a rollover accident on Route 400 Northbound near the Union Road exit ramp ... Read More

Avoid traffic jams before they occur - 37 closures are scheduled for roadwork on provincial highways in Simcoe on Dec. 11, 2024: Highway 400 northbound between 5th Line and 9th Concession, Bradford: ... Read More

Highway 400 northbound off-ramp at King Road, King: one right lane closed from May 28 at 12 p.m. until July 31 at 11:59 p.m. Highway 400 northbound off-ramp at Langstaff Road, Vaughan: one left lane ... Read More

OPP say a multi-vehicle crash on Highway 400 near Waubaushene this afternoon was due to a motorist stopping to avoid striking a turtle. In a post on X at 1:50 p.m., OPP said the northbound lanes were ... Read More

A serious crash has closed all lanes of Highway 400 near Cookstown. Emergency crews responded to the incident, which occurred between county roads 88 and 89, Friday evening. '?Highway is closed ... Read More

The highway reopened around 11:30 a.m., OPP said. Police said the collision, involving three vehicles, happened on the southbound lanes of Highway 400 near Highway 401 split to go east or west at ... Read More

Avoid traffic jams before they happen - four closures are scheduled for roadwork on provincial highways in York Region on March 12, 2024: Highway 400 northbound between Highway 9 and Highway 9, ... Read More

Expect delays along the following routes - six closures are scheduled for roadwork on provincial highways in York Region on Jan. 13, 2024: Highway 400 northbound on-ramp at Major Mackenzie Drive, ... Read More

Plan your commute before you're on the road - seven closures are scheduled for roadwork on provincial highways in York Region on Jan. 10, 2024: Highway 400 northbound between Langstaff Road and ... Read More

Plan your trip before you're in your car - 20 closures are scheduled for roadwork on provincial highways in York Region on Dec. 7, 2023: Highway 400 northbound between Highway 7 and Langstaff Road, ... Read More

Expect delays or plan an alternative route - 18 closures are scheduled for roadwork on provincial highways in York Region on Nov. 14, 2023: Highway 400 northbound between Highway 7 and Langstaff Road, ... Read More