CALLAWAY COUNTY, Mo. -

Crews were on scene of an accident involving a semi truck carrying onions Monday morning.

It happened near the 143 mile marker of Interstate 70.  Investigators said the driver lost control and over-corrected, flipping onto the south outer road of I-70.

He was not injured in the crash.

This was the second semi crash emergency crews responded to within hours of each other.

In each accident, the semi flipped on its side.