Trucking terms starting with M
MC Number A motor carrier number tied to certain operating authority records. MCS-150 A motor carrier identification report used for registration and periodic updates. MCS-90 An endorsement connected to motor carrier public liability financial responsibility requirements. Medical Card Proof that a commercial driver met medical certification requirements for driving a CMV. Motor Carrier A business that transports passengers or property by commercial motor vehicle. Motor Truck Cargo Coverage for freight being hauled by the carrier, subject to exclusions and limits.