Traffic update: Westbound 417 delays to continue into evening after tractor trailer crash

Traffic remains snarled on the westbound portion of Highway 417 at the Vanier Parkway Tuesday afternoon, hours after a tractor trailer carrying liquid natural gas rolled on its side. 
The fire department was called to the crash at 5:38 a.m. and found that the tanker portion of the rig holding liquid natural gas had come off the truck.
The tanks were intact but they could smell gas.
Hazardous materials technicians were sent to the scene while the driver of the transport truck, who was c