According to Ontario Provincial Police, the three left southbound lanes of Highway 400 are blocked at Major Mackenzie Drive. Read More

According to Ontario Provincial Police, the three left southbound lanes of Highway 400 are blocked at Major Mackenzie Drive. Read More

Two people were injured in a serious late-night crash on Highway 400 that closed a stretch of the highway for more than two hours for clean up and investigation ... Read More

A section of the southbound Highway 400 in Vaughan was closed overnight due to a serious collision. Emergency crews were called to the on-ramp at Major Mackenzie Drive just after 1:45 a.m. for a crash ... Read More

Two people were injured in a serious late-night crash on Highway 400 that closed a stretch of the highway for more than two hours for clean up and investigation ... Read More

Highway 407 is closed in both directions in Vaughan due to an investigation, Ontario Provincial Police say. The closure is between Jane Street and Weston Road. Police say all Highway 400 ramps to ... Read More

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

Heads up, Highway 400 commuters: getting off on Dunlop Street might be a bit of a headache for the rest of the month. The ramp from the northbound 400 to Dunlop Street East, Exit 96A, is closed until ... Read More

Expect delays, especially during heavy traffic periods - 83 closures are scheduled for roadwork on provincial highways in Simcoe on Aug. 3, 2026: Nightly Highway 400 southbound between Innisfil Beach ... Read More

One person is dead after a serious collision forced the closure of all northbound lanes on Highway 400 in North York, Saturday morning. In a post to social media, the OPP says the crash occurred on ... Read More

A serious crash has closed a section of Highway 400 in North York. Emergency crews were called to the area for reports of a serious crash. Read More

A serious crash has closed a section of Highway 400 in North York. Emergency crews were called to the area for reports of a serious crash. Read More

The Highway 400 ramps to eastbound Highway 401 have reopened after a three-vehicle crash on Thursday morning. Read More

Cars can been seen moving slowing on NB Highway 400 as a grass fire has cause smoke to cover the highway. July 08, 2026 at 1:28PM EDT ... Read More

Nightly Highway 400 southbound between Highway 11 Jct, Springwater and Mapleview Drive, Barrie: one alternating lane closed from July 5 at 8 p.m. until July 11 at 6 a.m. Nightly H ... 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

Two youths were arrested after fleeing a Highway 400 crash in Bradford. Police later discovered their Honda CR-V had been stolen. 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

Visible plume of smoke drew attention from motorists along Highway 400 as firefighters tackled encampment blaze near Mapleview Drive today ... 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 are investigating a Highway 400 rollover north of Port Severn after a 30-year-old driver was airlifted to a Toronto-area trauma centre with life-altering injuries Sunday ... Read More

Ontario has officially revealed the name of its controversial Bradford Bypass project, as construction gets underway on the forthcoming route connecting Highway 400 and Highway 404. On Thursday, the ... Read More

Nightly Highway 427 southbound between Major Mackenzie Dr, Vaughan and Finch Avenue, Toronto: one alternating lane closed from May 11 at 10 p.m. until May 15 at 5 a.m. Nightly Highway 400 southbound ... 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

A collision involving a police vehicle and a dump truck closed two lanes of Highway 400 in Bradford West Gwillimbury Friday morning. OPP confirmed around 11 a.m. on May 1 that the two left lanes of ... Read More

Those collisions included a massive pileup in the northbound lanes of Highway 400, near Highway 9, that involved between 20 and 40 vehicles, including two transport trucks, according to York Region ... Read More

Major construction on the Bradford Bypass, a highway some York Region commuters have desired for decades, will start this spring in Simcoe County. The western section of the bypass from Highway 400 to ... 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

A Tiny Township woman is facing impaired and dangerous driving charges after a wrong-way collision on Highway 400 in Springwater Township early Sunday morning. 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

Plan your trip before you're on the road - 14 closures are scheduled for roadwork on provincial highways in York Region on March 10, 2026: Highway 400 southbound between Kirby Road and Teston Road, ... Read More

Expect delays or adjust your route - 12 closures are scheduled for roadwork on provincial highways in Toronto on Feb. 26, 2026: Highway 401 westbound express between Morningside Avenue and Highway 400 ... 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

Expect delays along the following routes - 13 closures are scheduled for roadwork on provincial highways in York Region on Feb. 18, 2026: Highway 400 southbound between Langstaff Road and Highway 7, ... Read More

Avoid traffic jams before they occur - 11 closures are scheduled for roadwork on provincial highways in Toronto on Feb. 15, 2026: Highway 400 southbound between Finch Avenue and Jane Street, Toronto: ... Read More

Expect delays or plan an alternative route - 12 closures are scheduled for roadwork on provincial highways in Toronto on Feb. 14, 2026: Highway 400 southbound between Finch Avenue and Jane Street, ... Read More

Expect delays, especially during heavy traffic periods - 14 closures are scheduled for roadwork on provincial highways in Toronto on Feb. 13, 2026: Highway 401 eastbound express between Highway 400 ... Read More

Plan your trip before you're on the road - 11 closures are scheduled for roadwork on provincial highways in Toronto on Feb. 10, 2026: Highway 401 eastbound between Highway 400 and Jane St, Toronto: ... Read More

A jackknifed tractor-trailer on Highway 400 in Barrie was causing traffic back-ups and a visual distraction for motorists travelling north and south this morning for about 90 minutes. At around 9:30 a ... Read More

Emergency crews were forced to shut down lanes after water and foam used to extinguish truck fire froze on the pavement. Read More

OPP Sgt. Kerry Schmidt says the highway has now been re-opened, but warns drivers to drive carefully as police and tow trucks are still responding to collisions ... 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

One of four overpass replacement projects for Barrie, the Dunlop Street overpass is being extended to accommodate future plans to widen Highway 400. 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

A person is in life-threatening condition after an early-morning shooting near Highway 400 and Steeles Avenue West. 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

Provincial police said in a social media post on Friday that they stopped a vehicle travelling 201 km / h on Highway 400 southbound in Springwater Township. The motorist, who is from Rama, was charged ... 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

On December 1, 2025, just after  12 noon, a member of the Southern Georgian Bay Detachment of the Ontario Provincial Police (OPP) was patrolling northbound on Highway 400 in Georgian Bay Township. The ... 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

Plan your trip before you're on the road - 41 closures are scheduled for roadwork on provincial highways in York Region on Nov. 7, 2025: Highway 400 southbound between Bass Pro Mills Drive and Highway ... Read More

Plan your route before you're in your car - 83 closures are scheduled for roadwork on provincial highways in Simcoe on Nov. 5, 2025: Highway 89 westbound between Highway 400 and Mono-adjala Townline ... Read More

A driver was taken to the hospital on Monday evening after the box truck he was operating flipped onto its side following a collision involving the driver of a vehicle on Highway 400 in North York, ... Read More

Expect delays along the following routes - 24 closures are scheduled for roadwork on provincial highways in York Region on Nov. 2, 2025: Highway 400 southbound between Bass Pro Mills Drive and Highway ... Read More

Plan your commute before you're on the road - 63 closures are scheduled for roadwork on provincial highways in Simcoe on Oct. 19, 2025: Highway 89 westbound between Highway 400 and Mono-adjala ... Read More

A two-vehicle collision involving SUVs on Highway 400 southbound near Rutherford Road has sent two people to the hospital. Read More

A two-vehicle collision involving SUVs on Highway 400 southbound near Rutherford Road has sent two people to the hospital and created traffic delays during the Monday commute. Ontario Provincial ... Read More

Expect delays or plan an alternative route - 32 closures are scheduled for roadwork on provincial highways in York Region on Sept. 26, 2025: Highway 400 southbound express between Major Mackenzie ... Read More

Police are searching for a motorcyclist who did stunts while riding on a busy portion of Highway 400 through Barrie on the weekend. A video is circulating online showing the rider sitting sideways on ... Read More

Commuters may have a tougher time getting through Dunlop Street this week, with the closure of one eastbound lane in the area on Highway 400. Read More

City police responded Sunday morning to break-and-enter in progress near Ardagh Road and Mapleton Avenue; three suspects fled the scene toward Highway 400 ... Read More

Highway 400 southbound between Severn River Bridge, Tay and Highway 11 Jct, Springwater: one right lane closed from Sept. 14 at 7 p.m. until Sept. 20 at 7 a.m. Highway 12 southbound between Highway 93 ... Read More

Highway 400 southbound between Severn River Bridge, Tay and Highway 11 Jct, Springwater: one right lane closed from Sept. 14 at 7 p.m. until Sept. 20 at 7 a.m. Highway 12 southbound between Highway 93 ... Read More

Referring to them as "high rollers" on Highway 400, Huronia West OPP pulled over two vehicles on Friday night that were clocked travelling nearly 200 km / h ... Read More

Expect delays or adjust your route - 33 closures are scheduled for roadwork on provincial highways in York Region on Aug. 26, 2025: Highway 400 southbound on-ramp at Teston Road, Vaughan: all lanes ... 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

Plan your route before you're in your car - 124 closures are scheduled for roadwork on provincial highways in Simcoe on Aug. 7, 2025: Highway 400 southbound between 9th Concession and 5th Line, ... 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

Expect delays along these routes - 130 closures are scheduled for roadwork on provincial highways in Simcoe on July 20, 2025: Highway 400 southbound between 9th Concession and 5th Line, Bradford: two ... 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