Knight Transportation, Inc. is a provider of multiple truckload transportation and logistics services, which involve the movement of trailer or container loads of freight from origin to destination for a single customer. The Company operates through two segments: Trucking and Logistics. Its Trucking segment consists of three operating units: dry van truckload, temperature-controlled truckload and drayage services. The Trucking segment provides truckload transportation, including services of various products, goods and materials. Its Logistics segment consists of two operating units: freight brokerage services and rail intermodal. It provides logistics, freight management and other non-trucking services to its customers, through its Logistics segment. It provides a range of truckload and logistics services through its nationwide network of service centers, truckload tractor fleets and its contractual access to third-party capacity providers. It operates primarily in the United States.