UPDATE: (06/29/15) 06:25 a.m. The westbound lanes were reported reopened by Highway Patrol authorities about 6:20 a.m. Monday. Drivers were still urged to use caution for a short time while the semi was removed from the shoulder.

The Missouri Highway Patrol confirmed reports of a semi-trailer roll-over accident just west of Grain Valley on Interstate 70 highway westbound.  KMZU will continue to monitor the situation as it develops.

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