There is an accident at the 366 eastbound mile marker in Loudon County that has traffic closed. Westbound traffic is not affected. Detour: Get off at the Highway 321 exit, head south, get on I-75 and proceed north back to I-40. Estimated time of clearing is 7 p.m. Eastern (4:50 p.m. Eastern time, Wednesday, May 23, 2018).