Interstate 30 in Garland was closed early Wednesday morning after a woman walking on the highway was struck and killed, police say.
Authorities in Garland were called to the westbound section of I-30 between Bobtown Road and Roan Road shortly before midnight.
Police believed the woman, who has not been identified, was trying to walk across I-30 when she was struck by an 18-wheeler and a second vehicle.
Police said both drivers pulled over and waited for police to arrive.
Officers briefly closed all westbound lanes as crime scene units processed the scene of the crash. All lanes were back open shortly after 4 a.m. Wednesday.
Police said the woman who was not carrying identification, so authorities have not yet notified next of kin.
The Dallas County Medical Examiner's Office was assisting in the ongoing investigation.