The Barry County Sheriff's Office investigated a serious traffic crash Wednesday involving two vehicles.  The crash occured at the intersection of North Patterson road and 108th St in Thornapple Township.

An eastbround Chevy Silverado failed to stop at a stop sign and collided with a northbound Chevy Malibu.

The driver of the Malibu was taken by Aero-Med in Critical condition to a nearby hospital. The passenger in the Malibu was taken to the hospital by ambulance in serious condition.

The driver of the Silverado was not injured.

Drugs and alcohol; not believed to be a factor in the crash.