7:43 p.m. The affected markets:
Austin, Texas -- race telecast on digital cable: Time Warner channels 811 and 1240, Suddenlink channel 721, AT&T Channel 3024.
Charlotte, North Carolina -- race telecast on WAXN TV64. Available on Time Warner channel 1230, Charter channel 703, Compas channel 16, Comporium channel 110. WSOC-TV will join race in progress after football game ends.
Casper, Wyoming -- only available to satellite TV subscribers
Cheyenne, Wyoming -- only available to satellite TV subscribers
Duluth, Minnesota -- race telecast on digital cable: Charter channel 398, Mediacom channel 113.
Harrisburg, Pennsylvania -- race telecast on digital cable: Comcast channel 246, Verizon channel 461, Blue Ridge Cable channel 152, Kuhn channel 67, Nittany Media 228.
Houston, Texas -- race telecast on digital cable: Comcast channels 315 and 685.
Louisville, Kentucky -- race telecast on digital cable: Comcast channel 432, Time Warner channel 207.
Nashville, Tennessee -- race telecast on digital cable: Comcast channel 245, Charter channel 136.
St. Joseph, Missouri -- race telecast on SuddenLink channel 9
San Antonio, Texas -- only available to satellite TV subscribers
Sioux Falls, South Dakota -- race telecast on digital cable: Mid-Continent channels 596 and 614. (Also DISH channel 36).
Tulsa, Oklahoma -- race telecast on digital cable: Cox channel 131.
Washington, D.C. -- race telecast on digital cable: Comcast channel 205, Cox channel 806, Verizon FiOS channel 467.
Weslaco, Texas -- race telecast on digital cable: Time Warner channel 877.
In Milwaukee, Wisconsin; Little Rock, Arkansas; Jonesboro, Arkansas; Fort Smith, Arkansas and Tyler, Texas, the local ABC affiliates will not air NASCAR Countdown due to airing local newscasts but all will join ABC for the race telecast at 7:30 p.m. ET.