According to State Trooper Dark, at approximately 3:10 AM, Troopers responded to a two vehicle crash on IH-20 in Harrison County near the 603 mile marker.  Preliminary crash investigation shows that the driver of a truck-tractor semi-trailer was traveling westbound on IH-20 when the driver lost control and overturned the truck and trailer, blocking the roadway.  Another truck-tractor semi-trailer traveling westbound was unable to avoid colliding with the overturned vehicle.  Both drivers were taken to Good Shepherd in Marshall, conditions unknown.  The westbound lanes of the interstate are closed at this time, traffic is being diverted.  More information will be released as it becomes available.