Unless specifically defined elsewhere, in this subchapter:

Accident means—

(1) Except as provided in paragraph (2) of this definition, an occurrence involving a commercial motor vehicle operating on a highway in interstate or intrastate commerce which results in:

(4) Is used in transporting material found by the Secretary of Transportation to be hazardous under 49 U.S.C. 5103 and transported in a quantity requiring placarding under regulations prescribed by the Secretary under 49 CFR, subtitle B, chapter I, subchapter C.

Conviction means an unvacated adjudication of guilt, or a determination that a person has violated or failed to comply with the law in a court of original jurisdiction or by an authorized administrative tribunal, an unvacated forfeiture of bail or collateral deposited to secure the person's appearance in court, a plea of guilty or nolo contendere accepted by the court, the payment of a fine or court cost, or violation of a condition of release without bail, regardless of whether or not the penalty is rebated, suspended, or probated.

Direct assistance means transportation and other relief services provided by a motor carrier or its driver(s) incident to the immediate restoration of essential services (such as, electricity, medial care, sewer, water, telecommunications, and telecommunication transmissions) or essential supplies (such as, food and fuel). It does not include transportation related to long-term rehabilitation of damaged physical infrastructure or routine commercial deliveries after the initial threat to life and property has passed.

Direct compensation means payment made to the motor carrier by the passengers or a person acting on behalf of the passengers for the transportation services provided, and not included in a total package charge or other assessment for highway transportation services.

Disabling damage means damage which precludes departure of a motor vehicle from the scene of the accident in its usual manner in daylight after simple repairs.

(1) Inclusions. Damage to motor vehicles that could have been driven, but would have been further damaged if so driven.

(4) To a motor carrier's terminal or repair facility for the repair of disabling damage (as defined in § 390.5) following a crash; or

(5) To a motor carrier's terminal or repair facility for repairs associated with the failure of a vehicle component or system; or

Driving a commercial motor vehicle while under the influence of alcohol means committing any one or more of the following acts in a CMV: Driving a CMV while the person's alcohol concentration is 0.04 or more; driving under the influence of alcohol, as prescribed by State law; or refusal to undergo such testing as is required by any State or jurisdiction in the enforcement of Table 1 to § 383.51 or § 392.5(a)(2) of this subchapter.

Emergency means any hurricane, tornado, storm (e.g. thunderstorm, snowstorm, icestorm, blizzard, sandstorm, etc.), high water, wind-driven water, tidal wave, tsunami, earthquake, volcanic eruption, mud slide, drought, forest fire, explosion, blackout or other occurrence, natural or man-made, which interrupts the delivery of essential services (such as, electricity, medical care, sewer, water, telecommunications, and telecommunication transmissions) or essential supplies (such as, food and fuel) or otherwise immediately threatens human life or public welfare, provided such hurricane, tornado, or other event results in:

(1) A declaration of an emergency by the President of the United States, the Governor of a State, or their authorized representatives having authority to declare emergencies; by the FMCSA Field Administrator for the geographical area in which the occurrence happens; or by other Federal, State or local government officials having authority to declare emergencies, or

Exempt intracity zone means the geographic area of a municipality or the commercial zone of that municipality described in appendix F to subchapter B of this chapter. The term “exempt intracity zone” does not include any municipality or commercial zone in the State of Hawaii. For purposes of § 391.62, a driver may be considered to operate a commercial motor vehicle wholly within an exempt intracity zone notwithstanding any common control, management, or arrangement for a continuous carriage or shipment to or from a point without such zone.

Exempt motor carrier means a person engaged in transportation exempt from economic regulation by the Federal Motor Carrier Safety Administration (FMCSA) under 49 U.S.C. 13506. “Exempt motor carriers” are subject to the safety regulations set forth in this subchapter.

Farm vehicle driver means a person who drives only a commercial motor vehicle that is—

(a) Controlled and operated by a farmer as a private motor carrier of property;

(d) Not carrying hazardous materials of a type or quantity that requires the commercial motor vehicle to be placarded in accordance with § 177.823 of this subtitle; and

(e) Being used within 150 air-miles of the farmer's farm.

Hazardous substance means a material, and its mixtures or solutions, that is identified in the appendix to § 172.101, List of Hazardous Substances and Reportable Quantities, of this title when offered for transportation in one package, or in one transport motor vehicle if not packaged, and when the quantity of the material therein equals or exceeds the reportable quantity (RQ). This definition does not apply to petroleum products that are lubricants or fuels, or to mixtures or solutions of hazardous substances if in a concentration less than that shown in the table in § 171.8 of this title, based on the reportable quantity (RQ) specified for the materials listed in the appendix to § 172.101.

Hazardous waste means any material that is subject to the hazardous waste manifest requirements of the EPA specified in 40 CFR part 262 or would be subject to these requirements absent an interim authorization to a State under 40 CFR part 123, subpart F.

Highway means any road, street, or way, whether on public or private property, open to public travel. “Open to public travel” means that the road section is available, except during scheduled periods, extreme weather or emergency conditions, passable by four-wheel standard passenger cars, and open to the general public for use without restrictive gates, prohibitive signs, or regulation other than restrictions based on size, weight, or class of registration. Toll plazas of public toll roads are not considered restrictive gates.

Interchange means the act of providing intermodal equipment to a motor carrier pursuant to an intermodal equipment interchange agreement for the purpose of transporting the equipment for loading or unloading by any person or repositioning the equipment for the benefit of the equipment provider, but it does not include the leasing of equipment to a motor carrier for primary use in the motor carrier's freight hauling operations.

Intermodal equipment means trailing equipment that is used in the intermodal transportation of containers over public highways in interstate commerce, including trailers and chassis.

Intermodal equipment interchange agreement means the Uniform Intermodal Interchange and Facilities Access Agreement (UIIFA) or any other written document executed by an intermodal equipment provider or its agent and a motor carrier or its agent, the primary purpose of which is to establish the responsibilities and liabilities of both parties with respect to the interchange of the intermodal equipment.

Intermodal equipment provider means any person that interchanges intermodal equipment with a motor carrier pursuant to a written interchange agreement or has a contractual responsibility for the maintenance of the intermodal equipment.

Interstate commerce means trade, traffic, or transportation in the United States—

(1) Between a place in a State and a place outside of such State (including a place outside of the United States);

(1) An exemption letter permitting operation of a commercial motor vehicle pursuant to part 381, subpart C, of this chapter or § 391.64 of this chapter ;

(2) A skill performance evaluation certificate permitting operation of a commercial motor vehicle pursuant to § 391.49 of this chapter.

Motor carrier means a for-hire motor carrier or a private motor carrier. The term includes a motor carrier's agents, officers and representatives as well as employees responsible for hiring, supervising, training, assigning, or dispatching of drivers and employees concerned with the installation, inspection, and maintenance of motor vehicle equipment and/or accessories. For purposes of subchapter B, this definition includes the terms employer, and exempt motor carrier.

Motor vehicle means any vehicle, machine, tractor, trailer, or semitrailer propelled or drawn by mechanical power and used upon the highways in the transportation of passengers or property, or any combination thereof determined by the Federal Motor Carrier Safety Administration, but does not include any vehicle, locomotive, or car operated exclusively on a rail or rails, or a trolley bus operated by electric power derived from a fixed overhead wire, furnishing local passenger transportation similar to street-railway service.

Motor vehicle record means the report of the driving status and history of a driver generated from the driver record, provided to users, such as, drivers or employers, and subject to the provisions of the Driver Privacy Protection Act, 18 U.S.C. 2721-272 5.

Multiple-employer driver means a driver, who in any period of 7 consecutive days, is employed or used as a driver by more than one motor carrier.

Operating authority means the registration required by 49 U.S.C. 13902, 49 CFR part 365, 49 CFR part 368, and 49 CFR 392.9a.

Operator —See driver.

Other terms —Any other term used in this subchapter is used in its commonly accepted meaning, except where such other term has been defined elsewhere in this subchapter. In that event, the definition therein given shall apply.

Out-of-service order means a declaration by an authorized enforcement officer of a Federal, State, Canadian, Mexican, or local jurisdiction that a driver, a commercial motor vehicle, or a motor carrier operation is out of service pursuant to 49 CFR 386.72, 392.5, 392.9a, 395.13, or 396.9, or compatible laws, or the North American Standard Out-of-Service Criteria.

Person means any individual, partnership, association, corporation, business trust, or any other organized group of individuals.

Previous employer means any DOT regulated person who employed the driver in the preceding 3 years, including any possible current employer.

Principal place of business means the single location designated by the motor carrier, normally its headquarters, for purposes of identification under this subchapter. The motor carrier must make records required by parts 382, 387, 390, 391, 395, 396, and 397 of this subchapter available for inspection at this location within 48 hours (Saturdays, Sundays, and Federal holidays excluded) after a request has been made by a special agent or authorized representative of the Federal Motor Carrier Safety Administration.

Private motor carrier means a person who provides transportation of property or passengers, by commercial motor vehicle, and is not a for-hire motor carrier.

Private motor carrier of passengers (business) means a private motor carrier engaged in the interstate transportation of passengers which is provided in the furtherance of a commercial enterprise and is not available to the public at large.

Private motor carrier of passengers (nonbusiness) means private motor carrier involved in the interstate transportation of passengers that does not otherwise meet the definition of a private motor carrier of passengers (business).

Radar detector means any device or mechanism to detect the emission of radio microwaves, laser beams or any other future speed measurement technology employed by enforcement personnel to measure the speed of commercial motor vehicles upon public roads and highways for enforcement purposes. Excluded from this definition are radar detection devices that meet both of the following requirements:

(1) Transported outside the driver's compartment of the commercial motor vehicle. For this purpose, the driver's compartment of a passenger-carrying CMV shall include all space designed to accommodate both the driver and the passengers; and