Two in critical condition after car crashes in to semi on I-80.

Two people are in critical condition following a wreck on Interstate 80 Saturday morning. Police say a black car was headed down Parley's Canyon when the driver lost control of the vehicle.

The car crashed into a semi truck and troopers had to extricate both the driver and passenger from the vehicle.The two people were taken to the hospital in critical condition. Officers say speed and wet roads caused the crash.