For this reason, the driver may refuse service to anyone the driver deems to be a threat to the safe operation of the shuttle service. The shuttle driver is responsible for the safety and comfort of all passengers. All shuttle users must use seat belts as provided.Shuttle Schedule (revised effective Septemdue to staff shortage) Portland: Building 100, Main Hospital Entrance.The VA Medical Center Shuttle is a service established between the Portland and Vancouver campuses to facilitate patient transport for patient care needs.