HOUSTON – A person has died after an SUV crashed into the back of a big rig 18-wheeler on the I-45 South frontage road.

The incident happened before 5 a.m in the southbound frontage road lanes near Clear Lake City Boulevard. As of 7:45 a.m. all of the lanes remained blocked until El Dorado.

It appeared SUV was traveling southbound when the driver hit the back of the truck in front of a car dealership. The driver of the SUV died at the scene.

The frontage road has since fully reopened, but the investigation is on-going.

Photos: Deadly crash on I-45 South frontage road