KATY, Texas (KTRK) -- A crash involving an 18-wheeler on the Katy Freeway has shut down the outbound exit ramp at Pderson Road in Katy on Friday morning, images show.

ABC13 crews at the scene said a Toyota Corolla appears to have rear-ended a flatbed 18-wheeler.

Houston TranStar reported the incident at about 5:30 a.m., describing it as a "heavy truck accident" involving two vehicles.