| Term 
 | Definition 
 
        | A terminal, used by large common carriers, designed to act as an intermediate sorting point for interregional freight. Freight from various end-of-line terminals is sent to a regional break bulk terminal to be combined into full trailers that the carrier then routes to a subsequent end-of-line terminals. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | The capability of a transport vehicle to carry or transport shipments of a particular weight or size in relation to the shipper's requirements. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | DOT rules that limit the maximum time a driver may drive  in interstate commerce; the rules prescribe both daily and weekly maximums. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | A terminal used for pick-up and delivery of freight. Freight collected is sorted and routed to other end-of-line terminals or break bulk terminals for eventual delivery. Freight received from other terminals is sorted and allocated to drivers for delivery. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a carrier for hire that is exempt from economic regulations. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a carrier that provides transportation service to the public on a fee basis |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | is a system of connections arranged like a chariot wheel, in which all traffic moves along spokes connected to the hub at the center. The model is commonly used in industry, in particular in transport, telecommunications and freight. |  | 
        |  | 
        
        | Term 
 
        | interstate highway system |  | Definition 
 
        | is a network of limited-access highways (also called freeways or expressways) in the United States |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Movement of freight between cities, excluding pickup and delivery service. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | (Less Than a Truckload) is a quantity of freight less than that required for the application of a truckload rate. The historical definition for LTL shipping is freight under 10,000 pounds. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a measure of operating efficiency defined as operating expenses/operating revenues x 100. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Truck route with frequent delivery stops |  | 
        |  | 
        
        | Term 
 
        | pickup and delivery (PUD) |  | Definition 
 
        | the act of collecting freight from shippers and delivering freight to consignees. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a motor carrier terminal that facilitates the subsitution of one driver for another who has driven the maximum hours permitted. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a motor carrier relay terminal operation in which a carrier substitutes one driver for another who has accumulated maximum driving time hours. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | the time consumed by a truck to reach its first delivery after leaving the terminal and the time consumed by the truck to return to the terminal after making its last pickup |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | which dedicates trailers to a single shipper's cargo, as opposed to an LTL (Less Than Truckload) carrier which transports the consolidated cargo of several shippers and makes multiple deliveries. |  | 
        |  |