To accommodate all riders and keep up with the extreme heat, DART opened an additional seven centers that see some of the heaviest ridership to add to the 11 that were already operating. These new ...

UPDATE: All DART operations were back to normal by Wednesday morning. DALLAS (CBSNewsTexas.com) — Heat may be to blame for the DART rail service delays through downtown Dallas Tuesday.

DART says they're slowing down light rail service Thursday due to high heat. Extreme heat is bad for tracks. As they heat up, tracks can expand, bend, flex, or buckle.

Another wave of unbearable heat has Dallas Area Rapid Transit riders dashing indoors to cool off. Since late June, DART has been using 18 transit centers as cooling stations, including the busy ...