*** Updated: All lanes of traffic are back open.***
A crash on a southbound on-ramp on Interstate I-40 at the I-640/ I-75 interchange in Knoxville has traffic backed up. Southbound I-40 traffic is affected with the roadway partially blocked. The road is expected to be cleared by 7 a.m.
Only one vehicle was involved. Investigators told Local 8 News the driver fell asleep while driving. He went to the University of Tennessee Medical Center with minor injuries. There are no charges pending.