The freezing mist has caused traffic problems in the area early Thursday morning.
Drivers who encounter bridges and overpasses should use caution and slow down.
Westbound and eastbound lanes of I-20 at Granbury Road are closed as crews respond to a crash.
The Fort Worth Fire Department tweeted at 5:30 a.m. that they were working 11 vehicle accidents. "Roads are very slippery this morning. Please reduce your speed and use caution," the department tweeted.
There are lane closures near westbound I-635 approaching Luna Road, as of 7:45 a.m.
The latest news from around North Texas.
In the Duncanville-DeSoto area there was a stalled vehicle at I-20 westbound ramp to get onto I-35E at about 6:30 a.m.
There have been reports of ice patches at Highway 67 and I-20 in southern Dallas.