Two eastbound lanes will remain closed during the evening commute after a tractor-trailer crashed and burst into flames on Highway 401 in Oshawa Tuesday morning.
Ontario Provincial Police (OPP) say the truck hit a concrete wall in the eastbound lanes near Ritson Road. All eastbound traffic was stopped for several hours before one lane reopened at 10 a.m.
In an update Tuesday afternoon, OPP say two eastbound lanes of the highway will remained closed for emergency road work due to the fire. They estimate the work will continue into the late evening.

No injuries were reported.
Video of the crash submitted to CTV News Toronto showed the trailer was fully engulfed in flames as traffic cautiously passed by.
Images from the scene after the fire was extinguished show the vehicle was badly damaged and burned in the crash. A cleanup is underway and police are investigating.
Police say the two other eastbound lanes remain closed.
The cause of the crash is unclear. Police said the trailer was carrying aluminum beer cans.
Collision/Truck fire: EB #Hwy401/Ritson Rd closed. One left lane is expected to reopen shortly. No access to Hwy401 from Bloor St. Tractor trailer into concrete wall resulting in a fire. No injuries, #TorontoOPP investigating. ^ks pic.twitter.com/cxsPwQncT8
— OPP Highway Safety Division (@OPP_HSD) May 20, 2025