Ontario Provincial Police have shuttered a portion of Highway 403 in Ancaster after a vehicle rollover. In a post to X around 1 p.m. Friday, police said the rollover occurred at the junction between ... Read More

Highway 403 near Hamilton has been partially blocked after a rollover at the junction near Highway 52 earlier on Friday. Read More

Expect showers this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

The speed limit is going up to 110km / hr on several sections of Highway 401 and Highway 403. Read More

Plan your commute before you're in your car - 14 closures are scheduled for roadwork on provincial highways in Halton on Aug. 31, 2026: Nightly Highway 403 eastbound between King Road and Queen ... Read More

Expect showers this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Don't get stuck in traffic - 16 closures are scheduled for roadwork on provincial highways in Halton on Aug. 30, 2026: Nightly Highway 403 eastbound between King Road and Queen Elizabeth Way Toronto, ... Read More

Expect increasing cloudiness this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Expect increasing cloudiness this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Expect a mix of sun and cloud this morning and closures on Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Expect showers this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Expect showers this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Expect a mainly clear sky this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Expect showers this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

A 12-year-old boy and a 43-year-old man from the United States have been critically injured in a multi-vehicle crash on Highway 403 in Mississauga. Ontario Provincial Police said two vehicles ... Read More

The westbound lanes of Highway 403 are closed in Mississauga following a three-vehicle collision. Ontario Provincial Police say the highway closure is between Mavis Road and Erin Mills Parkway. Police ... Read More

The westbound lanes of Highway 403 are closed in Mississauga for a collision involving three vehicles, Ontario Provincial Police (OPP) say. Read More

The westbound lanes of Highway 403 are closed in Mississauga for a collision involving three vehicles, Ontario Provincial Police (OPP) say. Emergency services are on the scene and injuries are being ... Read More

Plan your route before you're in your car - 43 closures are scheduled for roadwork on provincial highways in Peel on Aug. 8, 2026: Nightly Highway 403 eastbound between Erin Mills Parkway and Mavis ... Read More

Expect a few showers this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Expect showers this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Nightly Highway 403 eastbound between Main Street West and Main Street West, Hamilton: one right lane closed from Aug. 12 at 10 p.m. until Aug. 14 at 5 a.m. Nightly Highway 6 nort ... Read More

Nightly Highway 9 eastbound between Kennedy Road, Mono and 2nd Line East, Caledon: two right lanes closed from July 16 at 8 p.m. until July 30 at 6 a.m. Nightly Highway 403 westbo ... Read More

Expect showers this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Highway 401, Highway 403 and Queen Elizabeth Way are affected ... Read More

Continuous Highway 403 westbound between Erin Mills Parkway and Winston Churchill Blvd, Mississauga: one right lane closed from June 29 at 9 p.m. until June 30 at 5 a.m. Nightly Highway 410 southbound ... Read More

Don't get stuck in traffic - 42 closures are scheduled for roadwork on provincial highways in Peel on June 28, 2026: Continuous Highway 403 westbound between Erin Mills Parkway and Winston Churchill ... Read More

Continuous Highway 403 westbound between Erin Mills Parkway and Winston Churchill Blvd, Mississauga: one right lane closed from June 29 at 9 p.m. until June 30 at 5 a.m. Nightly Highway 410 northbound ... Read More

Expect delays, especially during busy travel times - 58 closures are scheduled for roadwork on provincial highways in Peel on June 26, 2026: Continuous Highway 403 westbound between Erin Mills Parkway ... Read More

Expect a mainly cloudy sky this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Expect increasing cloudiness this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Nightly Highway 403 eastbound between Mavis Road and Central Pkwy, Mississauga: three alternating lanes closed from June 8 at 9 p.m. until June 12 at 5 a.m. Nightly Highway 403 ea ... Read More

You don't need to sit in traffic - 26 closures are scheduled for roadwork on provincial highways in Peel on June 7, 2026: Nightly Highway 403 eastbound between Mavis Road and Central Pkwy, Mississauga ... Read More

Expect delays, especially during heavy traffic periods - 36 closures are scheduled for roadwork on provincial highways in Peel on June 5, 2026: Nightly Highway 403 eastbound between Mavis Road and ... Read More

Nightly Highway 403 eastbound between Mavis Road and Central Pkwy, Mississauga: three alternating lanes closed from June 8 at 9 p.m. until June 12 at 5 a.m. Nightly Highway 403 ea ... Read More

Nightly Highway 403 eastbound between Mavis Road and Central Pkwy, Mississauga: three alternating lanes closed from June 1 at 9 p.m. until June 6 at 5 a.m. Nightly Highway 401 wes ... Read More

Jefferina, whose last name was not provided by police, was last spotted on video in the area of Highway 403 and Waterdown Road in Burlington around 4 p.m. on May 29. Read More

Expect sunny skies this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Nightly Highway 403 eastbound between Mavis Road and Central Pkwy, Mississauga: three alternating lanes closed from June 1 at 9 p.m. until June 6 at 5 a.m. Nightly Highway 401 westbound off-ramp at ... Read More

Expect a mainly clear sky this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

Nightly Highway 403 eastbound between Mavis Road and Central Pkwy, Mississauga: three alternating lanes closed from June 1 at 9 p.m. until June 6 at 5 a.m. Nightly Highway 401 wes ... Read More

Expect a mainly clear sky this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410 and Highway 9 ... Read More

Nightly Highway 403 eastbound between Mavis Road and Central Pkwy, Mississauga: three alternating lanes closed from June 1 at 9 p.m. until June 6 at 5 a.m. Nightly Highway 401 wes ... Read More

Expect delays along the following routes - 18 closures are scheduled for roadwork on provincial highways in Peel on May 24, 2026: Nightly Highway 403 eastbound between Mavis Road and Highway 10 / ... Read More

Eastport Drive, Highway 403, Highway 5, Highway 6, Highway 8, Queen Elizabeth Way and Red Hill Creek Expressway are affected ... Read More

Eastport Drive, Highway 403, Highway 5, Highway 6, Highway 8, Queen Elizabeth Way and Red Hill Creek Expressway are affected ... Read More

Expect showers this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410 and Highway 9 ... Read More

Eastport Drive, Highway 403, Highway 7 and Queen Elizabeth Way are affected ... Read More

One lane of Highway 403 through Hamilton is closed following a collision. The accident happened around 3:16 p.m., blocking the right lane heading westbound at York Boulevard, according to 511on.ca. Read More

The accident happened on Highway 403 at about 4:45 a.m. Police say the westbound lanes of Highway 403 near Cawthra Road will be closed for most of the morning as police investigate. Read More

Highway 403 and Queen Elizabeth Way are affected ... Read More

According to Ontario Provincial Police, the eastbound Highway 407 is blocked between Trafalgar Road and the Highway 403 ramp after a single-vehicle collision involving a motorcycle. Read More

Highway 10, Highway 401, Highway 403, Highway 410 and Queen Elizabeth Way are affected ... Read More

Expect a few showers this morning and closures on Highway 401, Highway 403, Highway 410 and Queen Elizabeth Way ... Read More

Avoid gridlock before it happens - four closures are scheduled for roadwork on provincial highways in Halton on April 26, 2026: Nightly Highway 403 westbound between King Road and King Road, ... Read More

Plan your route before you're in your car - 23 closures are scheduled for roadwork on provincial highways in Peel on April 24, 2026: Nightly Highway 403 eastbound between Burnhamthorpe Road and ... Read More

Nightly Highway 403 eastbound between Burnhamthorpe Road and Winston Churchill Blvd, Mississauga: one alternating lane closed from April 16 at 10 p.m. until April 24 at 5 a.m. Nig ... Read More

Plan your trip before you're on the road - 19 closures are scheduled for roadwork on provincial highways in Peel on April 21, 2026: Nightly Highway 403 eastbound between Burnhamthorpe Road and Winston ... Read More

Nightly Highway 403 eastbound between Burnhamthorpe Road and Winston Churchill Blvd, Mississauga: one alternating lane closed from April 16 at 10 p.m. until April 24 at 5 a.m. Nig ... Read More

Expect a mix of sun and cloud this morning and closures on Highway 401, Highway 403, Highway 410, Highway 427 and Queen Elizabeth Way ... Read More

Don't get stuck in traffic - 25 closures are scheduled for roadwork on provincial highways in Peel on April 18, 2026: Nightly Highway 403 eastbound between Burnhamthorpe Road and Winston Churchill ... Read More

Expect a mainly cloudy sky this morning and closures on Highway 401, Highway 403, Highway 410 and Queen Elizabeth Way ... Read More

Nightly Highway 403 westbound off-ramp at Lincoln M. Alexander Parkway, Hamilton: one right lane closed from April 14 at 11 p.m. until April 16 at 5 a.m. Daily Queen Elizabeth Way Toronto bound ... Read More

A red pickup truck was seen driving the wrong way on Highway 403 in Brantford. Police said no one was hurt, and the investigation continues. Read More

The Highway 403 westbound ramp to Hwy. 6, in Ancaster is closed after a transport truck spilled its load Wednesday morning in a single vehicle crash. Burlington OPP said just before 8 a.m. Wednesday, ... Read More

Ontario Provincial Police closed the westbound ramp from Highway 403 to Highway 6 southbound Wednesday morning while crews worked to clean up a tractor trailer crash. Read More

Ontario Provincial Police officers closed the ramp from westbound Highway 403 to southbound highway 6 due to a tractor trailer crashing and rolling onto its side. They say it should re-open by 4 or 5 ... Read More

Queen Elizabeth Way Fort Erie bound off-ramp at Erin Mills Parkway / Southdown Road, Mississauga: one left lane closed from March 19 at 10 p.m. until March 24 at 5 a.m. Highway 403 westbound on-ramp ... Read More

Highway 403 westbound between Plains Road and Plains Road, Burlington: one right lane closed from March 19 at 10 p.m. until March 24 at 5 a.m. Highway 403 westbound off-ramp at Hi ... Read More

Highway 403 westbound between Plains Road and Plains Road, Burlington: one right lane closed from March 19 at 10 p.m. until March 24 at 5 a.m. Highway 403 westbound off-ramp at Hi ... Read More

Expect possible flurries or rain showers this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410 and Queen Elizabeth Way ... Read More

Highway 10, Highway 401, Highway 403, Highway 410 and Queen Elizabeth Way are affected ... Read More

Highway 401, Highway 403 and Queen Elizabeth Way are affected ... Read More

Highway 403 westbound between Eglinton Avenue and Highway 10 / Hurontario Street, Mississauga: two right lanes closed from March 12 at 9 p.m. until March 13 at 6 a.m. Queen Elizabeth Way Fort Erie ... Read More

Avoid gridlock before it occurs - 10 closures are scheduled for roadwork on provincial highways in Peel on March 11, 2026: Highway 403 westbound between Eglinton Avenue and Highway 10 / Hurontario ... Read More

Plan your trip before you're on the road - seven closures are scheduled for roadwork on provincial highways in Halton on March 5, 2026: Highway 403 westbound between Plains Road and Plains Road, ... Read More

You shouldn't have to sit in traffic - four closures are scheduled for roadwork on provincial highways in Halton on March 2, 2026: Highway 403 westbound between Highway 407 and King Road, Burlington: ... Read More

Expect a mainly clear sky this morning and closures on Highway 401, Highway 403, Highway 410 and Queen Elizabeth Way ... Read More

Highway 403 eastbound between Eglinton Avenue and Matheson Blvd, Mississauga: one left lane closed from Feb. 27 at 11 p.m. until Feb. 28 at 5 a.m. Highway 410 southbound between Valleywood Boulevard / ... Read More

You shouldn't have to sit in traffic - five closures are scheduled for roadwork on provincial highways in Hamilton on Feb. 24, 2026: Highway 403 westbound off-ramp at Lincoln M. Alexander Parkway, ... Read More

You don't need to sit in traffic - eight closures are scheduled for roadwork on provincial highways in Halton on Feb. 20, 2026: Highway 403 westbound between Highway 407 and King Road, Burlington: one ... Read More

The on-ramps to the Lincoln Alexander Parkway from Highway 403 were closed for several hours Wednesday night for a multi-vehicle collision. Approximately 15 vehicles, including a couple of ... Read More

Avoid traffic jams before they happen - five closures are scheduled for roadwork on provincial highways in Halton on Feb. 19, 2026: Highway 403 westbound between Highway 407 and King Road, Burlington: ... Read More

The crash happened just after 7:30 p.m. on Wilson Street at the Highway 403 eastbound exit ramp.  Hamilton police say. Read More

Plan your commute before you're in your car - five closures are scheduled for roadwork on provincial highways in Halton on Feb. 18, 2026: Highway 403 westbound between Highway 407 and King Road, ... Read More

Highway 403 eastbound between Wilson Street and Wilson Street, Hamilton: one alternating lane closed from Feb. 8 at 11 p.m. until Feb. 13 at 5 a.m. Highway 403 westbound between Wilson Street and ... Read More

Plan your trip before you're in your car - five closures are scheduled for roadwork on provincial highways in Halton on Jan. 31, 2026: Highway 403 eastbound between Waterdown Road and Queen Elizabeth ... Read More

Expect a chance of flurries this morning and closures on Highway 10, Highway 401, Highway 403, Highway 427 and Queen Elizabeth Way ... Read More

Avoid traffic jams before they occur - 15 closures are scheduled for roadwork on provincial highways in Peel on Dec. 2, 2025: Highway 403 eastbound between Winston Churchill Boulevard and Mavis Road, ... Read More