The driver, that was air-lifted to London hospital following a chain-reaction collision on Hwy. 402 Monday night, is now listed in critical condition.
Police say 24-year-old Talwinder Singh was driving one of three tractor trailers that collided on the westbound 402 near Indian Rd. around 11pm.
The collision forced the closure of the westbound highway for about ten hours while police investigated and the scene was cleared.
Lambton OPP continue to investigate. No charges have yet been laid in connection with the crash.