What is an AMBUS?

An ambulance bus (medical ambulance bus, AmBus, AmbuBus or MAB) is a type of ambulance used to transport and treat multiple patients who require ambulance-level care. Ambulance buses are used for a number of different purposes, including mass casualty incident response, disaster response, on-site triage, supporting other agencies, etc.  Ambulance buses are equipped with advanced equipment and capability providing an additional layer of response coverage.