TDOT working to clear roads ahead of next winter storm Crews have been applying treatment to interstates through the night, but extreme temperatures have kept many locations icy. and last updated 2021-02-17 07:49:43-05 NASHVILLE, Tenn. (WTVF) â Tennessee Department of Transportation crews are still working around the clock, clearing and treating roads ahead of the next winter storm. A Winter Storm Warning goes into effect at 6 p.m. as another system looks to bring snow and a wintry mix. TDOT says all counties in Middle Tennessee are reporting icy roads. Crews have been applying treatment to interstates through the night, but extreme temperatures have kept many locations icy. Plows are working to clear primary routes and working nonstop to make roads passable.