This 2024 Collins MFSAB is engineered to excel at every activity For schools, every day and every trip is different. Knowing flexibility is the rule of the road, Collins developed an innovative, non-CDL multi-function school activity bus (MFSAB) that meets every need. This bus bus that provides trusted performance, and Collins proprietary one-piece tubular roof design ensures safety is standard with every bus we build. Images coming soon. Call one of our representatives today for more information.