This video provides excellent evidence on why you need a dash cam.
A tractor-trailer Tuesday, April 22, jackknifed across Interstate 15 in Farmington, Utah forcing closure of all southbound lanes. Fortunately, the trucker had his dashcam rolling when a car swerved in front of it to take the Legacy Parkway exit in Davis County.
The crash happened Tuesday around 10:15 a.m. at mile marker 324 in Farmington, about 117 miles north of Salt Lake City.
The car is seen driving onto Legacy Parkway after causing the crash, and the driver of the vehicle is still at large.
Anyone who has information that can help investigators identify the vehicle or driver should contact Utah Highway Patrol dispatch for Davis County at 801-451-4150.