Two people were sent to hospital after a collision involving three transport trucks on Highway 402 at Christina Street.

Lambton OPP were called to the scene in Sarnia around 8:15 a.m. Thursday and had to shut down the westbound lanes of the highway due to the seriousness of the crash and re-route traffic onto Christina Street.

One driver, a 52-year-old U.S. man, had to be extricated from the cab of his truck and was taken to hospital in critical condition, but was later upgraded to stable condition.

The second driver, a 33-year-old Ontario man, suffered minor injuries and was treated in hospital and later released.

An air ambulance responded to the scene but was not utilized.

Highway 402 to re-opened at Christina Street around 3:35 p.m. following the police investigation and clean-up.