Two early morning crashes have shut down Highway 153 just north of Chickamauga Dam.
The first crash was reported at 6:36 a.m. on the Wilkes T. Thrasher Bridge and shut down the northbound roadway.
The second crash was reported minutes later between North Access Road and the Chickamauga Dam and shut down both lanes southbound.
Both crashes are expected to be cleared by 8 a.m.