GlossaryGuide

Hazardous Materials Regulations (HMR) Federal regulations governing the commercial transportation of hazardous materials. The HMR are contained in the Code of Federal Regulations, Title 49, Subtitle B, Chapter I.

Hazardous Materials Materials, substances, or wastes, which, due to their compositional nature, may be toxic, harmful or fatal if accidentally exposed to humans, animals, or the environment.

Full Inspection The most comprehensive and thorough of the inspection types, it involves extensive vehicle checks – including under-the-vehicle measurement of brake performance – and examination of hours-of-service logs. This inspection type is a Level I inspection; it is also sometimes referred to as the North American Standard (NAS).

For-Hire Carrier – Exempt A for-hire carrier not subject to economic regulation by the Interstate Commerce Commission.

For-Hire Carrier – Authorized A for-hire carrier subject to economic regulation by the Interstate Commerce Commission.

For-Hire Carrier A commercial motor carrier whose primary business activity is the transportation of property or passenger by motor vehicle for compensation.

Fleet Size The total number of power units (truck-tractors and straight trucks) owned or operated by a given motor carrier.

Fixed Facility A state commercial vehicle “scale” facility or other permanent site used to conduct inspections.

Federal Motor Carrier Safety Regulations (FMCSR) Regulations governing the safe operation of commercial vehicles engaged in interstate commerce. The FMCSR are contained in the Code of Federal Regulations, Title 49, Subtitle B, Chapter III. States participating in MCSAP have adopted their own state-level versions of the FMCSR.

Federal Motor Carrier Safety Administration (FMCSA) The administration within the U.S Department of Transportation (USDOT) responsible for monitoring and developing safety standards for commercial motor vehicles operating in interstate commerce.