A pedestrian was struck and killed on I-30 in Dallas early Tuesday morning, the Dallas County Sheriff’s Office confirmed.

According to the sheriff’s office, the incident happened at about 4:45 a.m. in the area of I-30 and Sylvan Avenue.

Crews have closed all westbound lanes in the area as they work to clear the scene.

The incident is under investigation, and we’ll update as more information becomes available.Â