WILLISTON On May 22, at approximately 10:20 a.m., the Vermont State Police in Williston received a 911 call of a single vehicle crash that occurred on Interstate 89 eastbound in South Burlington. Dispatch received information that the vehicle had rolled several times and the operator had been ejected from the 1998 Ford Explorer. South Burlington Fire Department, South Burlington Rescue, South Burlington Police, UVM Rescue and the state police all responded to the scene. The state police arrived at the scene while rescue personnel were attending to the operator. The operator of the vehicle was identified as Mathias Hoose, age 57, from South Burlington. Shortly after the state police arrived at the scene, rescue personnel pronounced Hoose deceased. According to witness statements, Hoose was traveling eastbound on Interstate 89 when he went off the left (median) side of the roadway. While Hoose was traveling in the median, he passed one vehicle that was traveling in the passing lane. Hoose attempted to bring his vehicle back onto the roadway and lost control of the vehicle. The vehicle went across both lanes of travel and entered the right shoulder of the roadway. At this time the vehicle began to roll several times ejecting Hoose from the vehicle. Hoose landed approximately 25 feet from the vehicle and was pronounced deceased at the scene. At this point, it is unknown why Hoose went into the median causing him to lose control of his vehicle. The crash is still under investigation.