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Glossary of Industry and Roadway Terms
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Gross Vehicle Weight (GVW)
The combined weight of the vehicle (tractor and trailers) and its cargo.
Hazardous Material
Hazardous materials are defined by the U.S. Department of Transportation in accordance with the Federal Hazardous Material Law. A substance or material may be designated as hazardous if the transportation of the material in a particular amount and form poses an unreasonable risk to health and safety or property.
Hazardous material may include: an explosive, radioactive material, etiologic agent, flammable or combustible liquid or solid, poison, oxidizing or corrosive material, and compressed gas. For more general information, go to the U.S. DOT web site at http://hazmat.dot.gov.
In Bond
Shipments move under bond from point of entry to an interior U.S. destination for clearance or to another border location for clearance.
Intermodal (also called Multimodal)
Shipment moves by more than one mode of transportation (ground, air, rail, ocean).
Jifflox (also called Dolly)
Converter that provides an extra axle and fifth wheel and is used to connect multiple trailers.
Less-Than-Truckload (LTL)
Freight, typically less than 10,000 pounds, from several shippers loaded onto
one trailer. Roadway is primarily an LTL carrier, utilizing a hub and spoke
network to efficiently move freight from origin to destination.
Linehaul
Movement of freight between cities or between Roadway facilities, especially origin terminal and destination terminal (excluding pickup and delivery service).
 See the photo
 Trailer
dimensions
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