***Update: All westbound lanes reopened just before 5 p.m. Thursday***
There are major issues on the 401 through Cambridge on Thursday afternoon.
All westbound lanes are blocked near the Cambridge ONroute due to a vehicle fire.
Traffic is crawling from east of Highway 6 North, while eastbound traffic is also slow as motorists slow down to have a look.
You can listen to the latest traffic reports, every 10 minutes on the 1s, on 570 NEWS.