Vigo County, In. – Just after 11am Tuesday morning a semi slammed into the rear of an INDOT truck in the westbound lanes of I-70 near the 7.5-mile marker.  The driver of the semi said he was drowsy and failed to see the flashing arrow in the INDOT truck.  Indiana State Police Sgt. Matt Ames said that both drivers were transported to the hospital for treatment of non-serious injuries.  One of the westbound lanes was closed for about 2 hours while the accident was cleared.