(Big Rig Clips a sign)...It happened at around 9:00 Monday morning.

The California Highway Patrol says the rig was traveling on Interstate 8. Just west of the Yuma 4th Street Onramp, the rig drifted off the road just enough to clip the sign with it's mirror. The sign was destroyed, but the rig suffered only damage to the mirror. The CHP says the sign belong to the Arizona Department of Transportation. They say it was a mobile billboard and they have no idea what the sign said. There were no injuries reported.