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 in two segments: Trucking and Logistics. Trucking segment is comprised of three operating units: dry van truckload (Dry Van); temperature-controlled truckload (Refrigerated), and drayage services (Drayage). Trucking segment provides truckload transportation, including dedicated services of various products, goods and materials. Logistics segment consists of two operating units: freight brokerage services (Brokerage) and rail intermodal (Intermodal). The Brokerage and Intermodal operating units of Logistics segment provide a multitude of shipment solutions, including additional sources of truckload capacity and alternative transportation modes. As of 2014, Trucking segment operated an average of 4,173 tractors.