TYLER, Texas (KLTV) - UPDATE: Highway 271 is back open following a crash involving a truck towing windmill components.
A crash has traffic blocked on a busy roadway in Smith County.
Texas DPS PIO Sgt. Jean Dark says troopers are on the scene of a crash involving a truck that was towing components of a windmill. The wreck has caused the closure of the southbound lanes of Highway 271 just south of Interstate 20.
Motorists are urged to avoid the area. Stay with KLTV and KLTV.com for updates.