SPRINGFIELD, Mo. -- Drunk driving is to blame for a crash that tied up traffic on I-44 for several hours this morning, it happened at the 76-mile marker, just west of Kansas Expressway. Troopers say one car rear-ended the vehicle in front of him, which ran off the highway, over-corrected and flipped. Officers say the driver who caused the accident will be charged with DWI. Both of the drivers suffered minor injuries and were taken to a Springfield hospital. Names have not been released.