A B C D E F G H I J K L M N O P R S T U V W

A&D

Applications and Decisions

AAC

Administrative Appeals Chamber

Abnormal Indivisible Load (AIL)

A load that cannot be broken down into smaller loads without risk of damage or excessive expense. These loads are normally very large, wide or heavy.

Absorption

A costing technique in which overheads are recovered by transferring the costs to revenue-earning cost centres so that they can be recovered by inclusion in the charge-out rate.

Accompanied vehicles

Road vehicles travelling on ro-ro ferry ships or on the Channel Tunnel rail freight shuttle service, where the driver travels with the vehicle so as to be available to drive it through to its final destination.

Accord Européen Relatif au Transport International des Marchandises Dangereuses par Route (ADR)

The European Agreement for the International Carriage of Dangerous Goods by Road which provides a common set of regulations for the movement of dangerous goods within Europe.

Accord Européen sur les Transports Routiers (AETR)

The European Agreement on work of crews of vehicles engaged in international road transport. These drivers' hours rules apply to drivers travelling through some states which are not in the European Union and therefore are not covered by EU Regulation 561/2006 on drivers' hours. The rules have now been aligned with the EU Regulation.

Accord relatif aux transports internationaux de denrees perissables et aux engins speciaux a utiliser pour ces transports (ATP)

The Agreement on the International Transport of Perishable Foodstuffs and on the special equipment to be used for such transport which applies to journeys made by road and rail and to sea crossings of less than 150km that are preceded by road or rail legs and the goods are carried in the road or rail vehicle. The purpose of the agreement is to set common standards for the international movement of certain perishable foodstuffs.

Adblue

Trade name for a urea-based additive for use with diesel engines fitted with selective catalytic reduction. Contained in a separate tank on the vehicle and injected into the exhaust system to reduce emissions. Generically known as diesel exhaust fluid (DEF).

Administrative Appeals Chamber (AAC)

The body that deals with appeals relating to goods vehicle operator licences and operating centres. Appeals under the Transport (Scotland) Act 2001 remain under the jurisdiction of the Transport Tribunal but can be made alongside appeals to the Upper Tribunal and using the same appeal forms.

ADR

Accord Européen Relatif au Transport International des Marchandises Dangereuses par Route (European Agreement on the Carriage of Dangerous Goods by Road)

Advisory letter

If a traffic examiner finds an infringement that warrants more than a verbal warning but is not serious enough for prosecution, then an advisory letter might be issued advising the operator of the problem and the need for them to take rectifying action.

AETR

Accord Européen sur les Transports Routiers (European Agreement on the work of crews of vehicles engaged in international road transport)

AIL

Abnormal Indivisible Load

Air spring

A spring using air under pressure as the compressible medium.

Air suspension

A suspension system in which at least 75% of the spring effort is provided by an air spring.

Allocation

The process of charging direct costs to the relevant cost centre.

Alternative transport modes

Road, rail, inland waterway, sea and air transport.

Alternatively fuelled vehicle

a vehicle using fuel or a power source which serves, at least partly, as a substitute for fossil oil sources consisting of:

  • electricity consumed in all types of electric vehicles

  • hydrogen

  • natural gas, including biomethane, in gaseous form and liquefied form

  • liquefied petroleum gas

  • mechanical energy from on-board sources, including waste heat.

Apparatus fitted to a vehicle

A crane, dynamo, welding plant or other special appliance or apparatus, being a permanent or essentially permanent fixture, fitted to a motor vehicle is deemed to be part of a vehicle.

Applications and Decisions (A&D)

A booklet, normally published fortnightly by traffic area offices, containing information on operator licence applications and Traffic Commissioner decisions on the grant, revocation, suspension or curtailment of the said licences. Also available online

Apportionment

The process by which overheads are charged proportionately to cost centres, For example, the maintenance department overheads are shared between individual vehicles on the basis of the number of hours spent maintaining each vehicle.

Articulated bus

A bus so constructed that it can be divided (but only by using workshop facilities) into two vehicles, one of which is a motor vehicle, and passengers can at all times pass from one part to another.

Articulated vehicle

A vehicle combination, not being an articulated bus, comprising a powered tractive unit and a semi-trailer attached so that at least 20% of the weight of the load, when uniformly distributed, is borne by the tractive unit.

ATA Carnets

The ATA Carnet is an international customs document which allows for the temporary importation of goods into countries that are part of the scheme. The goods must fall into accepted categories such as commercial samples, broadcasting equipment, or goods to be displayed at trade exhibitions.

ATF

Authorised Testing Facility

ATP

Accord Relatif aux Transports Internationaux de Denrees Perissables et aux engins speciaux autiliser pour ces transports (Agreement on the International Transport of Perishable Foodstuffs and on the special equipment to be used for such carriage)

Authorised examiner

An individual, partnership or company approved by the Driver and Vehicle Standards Agency (DVSA) to carry out annual inspections of vehicles under the MoT test scheme.

Authorised Testing Facility (ATF)

Commercial premises authorised by the Driver and Vehicle Standards Agency (DVSA) for the conduct of annual inspections on heavy goods and passenger vehicles.

Authorised vehicles

The maximum number of vehicles that can be operated under an operator licence, as granted by the Traffic Commissioner.

Axle interspace

For semi-trailers, the distance from the front of the landing legs to the centre of the axle or, if there is more than one axle, from the front of the landing legs to the midway point between the centre of the first axle and the centre of the last axle.

For trailers having two axles, the distance between the centre of the first axle and the centre of the rear axle.

For trailers having more than one front axle and more than one rear axle, the distance midway between the centre of the front axles and midway between the centre of the rear axles.