Johnson County police confirm a crash involved a Megabus and semi in the southbound lanes near mile marker 83. This is near Edinburgh. The crash was between the Megabus, a semi, and two cars. Police say the bus encountered stopped traffic, and crashed into the back of the semi. The semi lurched forward into another vehicle, which struck a fourth vehicle in the chain reaction crash. Nineteen people were transported to area hospitals, according to State Police, who say all those injured were on the Megabus. None of those injuries are life-threatening. Most of the passengers were checked out and released.