Vehicle hits guardrail on I-40 near mile 179.4 Heard on: Tennessee Highway Patrol & TDOT HELP District 3 - Nashville 00:20 00:00 1046, 40 West, 179.4. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 1046, 40 West, 179.4. 00:03 The dark colored vehicle versus guardrail, 10-88. 00:09 Over. 00:11 Four twenty-four. 00:17 Just be advised, county is now saying it's eastbound. 6/23/2026 04:51 AM Traffic I-40, Dickson, TN View on map