The Illinois State Police is reporting a two commercial vehicle traffic crash with injuries that took place at 2:55 PM on Thursday. A preliminary investigation is underway involving a vehicle crash that occurred on I-55 at Milepost 80 in Sangamon County between two Freightliners.  The first Freightliner was driven by 26-year-old John T. Guilbeaux of Bridgton, Missouri. Guilbeaux was pulling into traffic from the right shoulder and pulled right in front of 61-year-old Hugh Lockett of Chicago. Lockett struck the rear of Guilbeaux’s vehicle. Lockett was airlifted to an area hospital with serious injuries. The lanes were closed for approximately 6 hours.  The accident is still under investigation.