Trucking terms starting with T
Tandem Axle Two axles grouped close together to support weight on a tractor or trailer. Tarp A heavy cover used to protect flatbed freight from weather and road debris. Team Driving A setup where two drivers operate one truck so freight can keep moving with shorter stops. Terminal Audit A review of carrier records, policies, or operations, often connected to safety compliance. TL Truckload, a freight move using a full trailer or priced like one. TMS Transportation management system, software used to manage freight moves and records. TONU Truck ordered not used, a charge requested when a truck is booked but the load is canceled after dispatch. Tractor The powered truck unit that pulls a semi-trailer. Trailer The unpowered freight-carrying unit pulled by a tractor. Trailer Interchange Coverage for non-owned trailers under a trailer interchange agreement. Transloading Moving freight from one mode or trailer type into another during the shipment journey. Truck Stop Network A group of truck stop brands or locations tied to card acceptance, discounts, or services. TWIC Transportation Worker Identification Credential, a credential used for access to certain secure facilities.