Terminology

Specialized terms used in this section are defined as follows:
  • Commercial Motor Vehicle (CMV)
    - any vehicle used on the highways for the transportation of hazardous materials in commerce in a quantity requiring placarding under regulations issued under the federal Hazardous Materials Transportation Act ( ).
  • Hazardous Material
    - a substance or material, including a hazardous substance, that has been determined by the United States Secretary of Transportation, pursuant to the Hazardous Materials Regulations contained in 49 C.F.R., Chapter I, Subchapter C, to be capable of posing an unreasonable risk to health, safety, or property when transported in commerce, and which has been so designated.
  • Highway Route
    - any road or highway open to the public. This includes roads under the jurisdiction of a city or county.
  • Local Delivery
    - transportation that originates within the routing boundaries established by a political subdivision, is bound for the political subdivision having designated routes, or both.
  • NRHM
    - abbreviation for non-radioactive hazardous materials. An NRHM transported by a motor vehicle in certain types and quantities requires placarding pursuant to Table 1 or 2 of 49 C.F.R. §172.504. NRHM includes gasoline, diesel, and aviation fuel.
  • Political Subdivision
    - a county, municipality, local board, authority or commission, or public corporation, established under the laws of the State of Texas, that has the authority to construct and maintain a public road or highway.
  • Prohibited Route
    - portions of a highway route (see definition for "highway route" above) on which the transportation of all NRHM is prohibited for both local delivery and through traffic at all times.
  • Routing Designation
    - any regulation, limitation, restriction, curfew, time of travel restriction, lane restriction, routing ban, port-of-entry designation, or route weight restriction applicable to the highway transportation of NRHMs over a specific highway route or portion of a route.
  • Through Route
    - route intended for through traffic transportation that originates outside of the routing boundaries established by a political subdivision and whose destination is outside of these boundaries, and involves no deliveries or pickups within these boundaries.