Knight-Swift Transportation Holdings Inc., together with its subsidiaries, provides truckload transportation services in the United States, Mexico, and Canada. The company operates through four segments: Trucking, Logistics, Less-than-truckload (LTL), and Intermodal. Its trucking services include irregular route, dedicated, refrigerated, flatbed, expedited, dry van, drayage, and cross-border transportation of various products, goods, and materials.