| AA | AUTOMOBILE ASSOCIATION |
| AAA | ASSOCIATION AUXILIAIRE DE L’AUTOMOBILE |
| AAAS | ADVANCED ACTIVE ADAPTIVE SECONDARY SAFETY |
| AAGR | AVERAGE ANNUAL GROWTH RATE |
| AAIB | AIR ACCIDENTS INVESTIGATION BRANCH |
| AAM | ALLIANCE OF AUTOMOBILE MANUFACTURERS (USA) |
| AAMA | AMERICAN AUTOMOBILE MANUFACTURERS ASSOCIATION |
| AAMVA | AMERICAN ASSOCIATION OF MOTOR VEHICLE ADMINISTRATORS |
| Aarhus | UNECE CONVENTION ON ACCESS TO JUSTICE IN ENVIRONMENTAL MATTERS |
| ABA | AMERICAN BUS ASSOCIATION |
| ABC | ACTIVE BODY CONTROL |
| ABI | ASSOCIATION OF BRITISH INSURERS |
| ABPA | ASSOCIAO BRASILIERA DE PNEUS & AROS (BRAZILIAN TYRE ASSOCIATION) |
| ABRO | DEFENCE LOGISTICS ASSOCIATION |
| ABS | ANTI-LOCKING BRAKING SYSTEM |
| ABS | ACRYLONITRILE BUTADIENE STYRENE |
| ABTC | ALTOONA BUS TEST CENTRE (PENN STATE USA) |
| AC OR a/c | AIR CONDITIONING |
| ACAP | ASSOCIACAO DO COMERCIO AUTOMOVEL DE PORTUGAL |
| ACAROM | ASOCIATIEI CONSTRUCTORILOR DE AUTOMOBILE DIN ROMANIA |
| ACBE | ADVISORY COMMITTEE ON BUSINESS & THE ENVIRONMENT |
| ACC | CRUISE CONTROL ADAPTIVE |
| ACC | AUTOMOTIVE COMPOSITES CONSORTIUM (USCAR) |
| ACE | ASSOCIATION OF CONSULTING ENGINEERS |
| ACE | AGGREGATED COST EFFICIENCY INDEX |
| ACEA | ASSOCIATION DES CONSTRUCTEURS EUROPEENS D’AUTOMOBILES (EUROPEAN AUTOMOBILE MANUFACTURES ASSOCIATION) |
| ACEM | ASSOCIATION OF EUROPEAN MOTORCYCLE MANUFACTURERS (ASSOCIATION DES CONSTRUCTEURS EUROPEENS DE MOTORCYLES) |
| ACFO | ASSOCIATION OF CAR FLEET OPERATORS |
| ACICAE | BASQUE COUNTRY AUTOMOTIVE INDUSTRY |
| ACM | ACCOUNT MANAGEMENT |
| ACoP | APPROVED CODE OF PRACTICE |
| ACORD | AUTOMOTIVE CONSORTIUM ON RECYCLING AND DISPOSAL (UK) |
| ACPMS | ASSOCIATION COMPONENTS & PARTS MANUFACTURERS SECTION |
| ACPO | ASSOCIATION OF CHIEF POLICE OFFICERS |
| ACPOS | ASSOCIATION OF CHIEF POLICE OFFICERS SCOTLAND |
| ACRIB | AIR CONDITIONING AND REFRIGERATION INDUSTRY BOARD |
| ACS | AUTOMOTIVE COMPONENTS SECTION |
| ACS | ANTICIPATORY CRASH SENSING |
| ACTO | ASSOCIATION OF CHIEF TECHNICAL OFFICERS |
| ACTS | ADVISORY COMMITTEE ON TOXIC SUBSTANCES |
| ADA | AMERICANS WITH DISABILITIES ACT |
| ADAC | AUTOMOBILE ASSOCIATION (GERMANY) |
| ADAPS | ASSOCIATION FOR DRIVER ADAPTATION PRODUCT SPECIALISTS |
| ADAS | AGRICULTURAL DEVELOPMENT & ADVISORY SERVICE |
| ADB | ADVANCED DESIGN BUS |
| ADCCAT | ASSOCIATION OF DIE CUTTERS AND CONVERTERS OF ADHESIVE TAPES |
| ADD | AUTOMATIC DEFECT DETECTION |
| ADEFA | ASOCIACION DE FABRICAS DE AUTOMORES (ARGENTINA) |
| ADF | AUTOMOTIVE DISTRIBUTION FEDERATION |
| ADI | APPROVED DRIVING INSTRUCTOR |
| ADLO | ASSOCIATION OF DIRECT LABOUR ORGANISATIONS |
| ADR | AUSTRALIAN DESIGN RULES |
| ADR | AUTOMATED DURABILITY ROAD |
| ADR | ACCORD EUROPEEN RELATIF AUX TRANSPOR INTERNATIONAL DES MARCHANDISES DANGEREUSES PAR ROUTE (EUROPEAN AGREEMENT CARRIAGE OF DANGEROUS GOODS BY ROAD) |
| ADS | AUTOMOTIVE DATA SERVICES |
| ADS | ASSOCIATION OF AUTOMOTIVE MANUFACTURERS AND AUTHORISED IMPORTERS (SLOVENIA) |
| AE | AUTHORISED EXAMINER – AND INDIVIDUAL, PERSONS IN PARTNERSHIP OR COMPANY, WHO MEETS REQUIREMENTS (PREMISES, EQUIPMENT, PERSONNEL AND GOOD REPUTE) TO CARRY OUT MOT TESING |
| AEA | AGRICULTURAL ENGINEERS ASSOCIATION |
| AEBS | AUTOMATIC EMERGENCY BRAKING SYSTEM |
| AECC | ASSOCIATION FOR EMISSIONS CONTROL BY CATALYST |
| AECD | AUXILIARY EMISSIONS CONTROL DEVICE |
| AECS | AUXILIARY EMISSIONS CONTROL STRATEGY |
| AEG | AREA ENVIRONMENT GROUP |
| AEGPL | EUROPEAN LIQUIFIED PETROLEUM GAS ASSOCIATION |
| AEI | AUTOMATIC EQUIPMENT IDENTIFICATION |
| AEMT | ASSOCIATION OF ELECTRICAL & MECHANICAL TRADES |
| AENOR | ASOCIATION ESPANOL DE NORMALIZACION |
| AEO | ASSOCIATION OF EXHIBITION ORGANIZERS |
| AEP | ASSOCIATION OF ELECTRICITY PRODUCERS |
| AETR | AGREEMENT ON THE WORKOF CREWS OF VEHICLES ENGAGED IN INTERNATIONAL ROAD TRANSPORT |
| AFC | AUTOMATIC FEE COLLECTION |
| AFCAR | ALLIANCE FOR THE FREEDOM OF CAR REPAIR |
| AFIA | ASSOCIACAO DE FABRICANTES PARA A INDUSTRIA AUTOMOVEL (PORTUGAL) |
| AFNOR | ASSOCIATION FRANCAISE DE NORMALISATION |
| AFQUAD | ASSOCIATION EUROPEENNE DES FABRICANTS ET IMPORTATEURS DE QUADRICYCLES |
| AFRC | AGRICULTURAL FOOD RESEARCH COUNCIL |
| AFRL | AUTOMATED FIRST REGISTRATION AND LICENSING |
| AFS | ADVANCED FRONT LIGHTING SYSTEMS |
| AGB | AD HOC GROUP ON BRAKING (EEC) |
| AGTC | AGREEMENT ON INTERNATIONAL COMBINED TRANSPORT LINES & RELATED INSTALLATIONS |
| AHAI | ASSOCIATION OF THE HUNGARIAN AUTOMOTIVE INDUSTRY |
| AHEG | AD HOC EXPERTS GROUP |
| AHO | AUTOMATIC HEADLAMP ON (MOTORCYCLE LIGHTING) |
| AHS | AUTOMATED HIGHWAY SYSTEM |
| AIA | AUTOMOBILE IMPORTERS OF AMERICA |
| AIA | AUTOMOTIVE INDUSTRY ASSOCIATION |
| AIA CR (SAP) | AUTOMOTIVE INDUSTRY ASSOCIATION OF THE CZECH REPUBLIC |
| AIA SR | AUTOMOTIVE INDUSTRY ASSOCIATION (SLOVAKIA) |
| AIAA | AMERICAN IMPORTERS AGENTS ASSOCIATION |
| AIAG | AUTOMOTIVE INDUSTRY ACTION GROUP |
| AIAM | ASSOCIATION OF INTERNATIONAL AUTOMOBILE MANUFACTURERS (USA) |
| AIAM | ASSOCIATION OF INDIAN MANUFACTURERS |
| AIAMC | ASSOCIATION OF INTERNATIONAL AUTOMOBILE MANUFACTURERS OF CANADA |
| AIB | ACCREDITED, INDEPENDENT, TESTING BODY |
| AIB | ASBESTOS INSULATING BOARD |
| AICA | ASSOCIAZIONE ITALIANA CONSTRUTTORI AUTOATTREZZATURE |
| AICC | AUTONOMOUS INTELLIGENT CRUISE CONTROL |
| AICG | AUTOMOTIVE INDUSTRY CERTIFICATION GROUP |
| AID | AUTOMOTIVE INDUSTRY DATA |
| AIGT | AUTOMOTIVE INDUSTRY GROWTH TEAM |
| AILU | ASSOCIATION OF INDUSTRIAL LASER USERS |
| AIM | AUTOMATIC IDENTIFICATION MANUFACTURERS |
| AIM | ASSOCIATION DES INDUSTRIES DE PRODUITS DE MARQUES (ASSOCIATION OF BRANDED PRODUCTS INDUSTRIES) |
| AIMA | ASSOCIACAO DOS INDUSTRIAS DE MONTAGEM DE AUTOMOVEIS |
| AIMS | ASSOCIATION OF INDEPENDENT MOTOR STORES |
| AIRC | ASSOCIATION INTERNATIONALE DES REPARATEURS EN CARROSSERIE |
| AIRSO | ASSOCIATION OF INDUSTRIAL ROAD SAFETY OFFICERS |
| AIS | ACCIDENT INJURY SEVERITY (SCALE) |
| AIS | AUTOMOBIL-IMPORTORERNES SAMMENSLUTNING (DENMARK) |
| AIS | AUTOMOTIVE INFORMATION SERVICE (SMMT) |
| AIT | ASSOCIATION INTERNATIONALE DE TOURISME (INTERNATIONAL TOURING ALLIANCE) |
| AITF | AUTOMOTIVE INDUSTRY TASK FORCE |
| ALAPA | ASSOCIAO LATINO AMERICANA DE PNEUS E AROS |
| ALARP | AS LOW AS REASONABLY PRACTICABLE |
| ALBRSO | ASSOCIATION OF LONDON BOROUGH ROAD SAFETY OFFICERS |
| ALEN | ABNORMAL LOAD ESCORT NETWORK |
| ALG | ASSOCIATION OF LONDON GOVERNMENT |
| ALR | AUTOMATIC LOCKING RETRACTORS |
| ALREM | ASSOCIATIONOF LOAD RESTRAINT EQUIPMENT |
| AM | AMENDMENT |
| AMA | AMERICAN MILEAGE ACCUMULATION |
| AMA | AMERICAN MOTORCYCLISTS ASSOCIATION |
| AME | ANNUALLY MANAGED BUDGET |
| AMF | ADVANCED MOTOR FUELS IMPLEMENTING AGREEMENT OF THE IEA |
| AMFA | ALTERNATIVE MOTOR FUEL ACT (US 1988) |
| AMP | ASSET MANAGEMENT PLAN |
| AMS | AUTO MOTOR SPORT (GERMAN MAGAZINE) |
| AMT | ADVANCED MANUFACTURING TECHNOLOGY |
| AMVCB | AUSTRALIAN MOTOR VEHICLE CERTIFICATION BOARD |
| AMVIR | ASSOCIATION OF MOTOR VEHICLE IMPORTERS (GREECE) |
| ANA | ARTICLE NUMBER ASSOCIATION |
| ANFAC | ASOCIACION ESPANOLA DE FABRICANTES DE AUTOMOVILES Y CAMIONES (SPAIN) |
| ANFAVIA | ASSOCIACION NACIONAL DOS FABRICANTES DE VEICULOS AUTOMOTORES (BRAZIL) |
| ANFIA | ASSOCIAZIONE NAZIONALE FRA INDUSTRIE AUTOMOBILISTICHE (ITALY) |
| ANPR | AUTOMATIC NUMBER PLATE RECOGNITION |
| ANPRM | ADVANCE NOTICE OF PROPOSED RULE MAKING |
| ANSI | AMERICAN NATIONAL STANDARDS INSTITUTE |
| ANX | AUTOMOTIVE NETWORK EXCHANGE |
| AONB | AREA OF OUTSTANDING NATURAL BEAUTY (NATIONAL PARKS & ACCESS TO THE COUNTRYSIDE ACT 1949) |
| AORC | AUTOMOTIVE OCCUPANT RESTRAINTS COUNCIL (USA) |
| APAS | AUTOMOTIVE PARTS AND ACCESSORIES SECTION |
| APC | AIR POLLUTION CONTROL |
| APDS | AUTOMOTIVE PARTS DISTRIBUTION SECTION |
| API | APPLICATION PROGRAMMING INTERFACE |
| APIA | AUTOMOTIVE MANUFACTURERS AND IMPORTERS ASSOCIATION (ROMANIA) |
| APME | ASSOCIATION OF PLASTIC MANUFACTURERS IN EUROPE |
| APMG | ALL PARTY MOTOR GROUP |
| APS | ACCELERATOR PEDAL POSITION SENSOR |
| APSN | ADVANCED PASSIVE SAFETY NETWORK |
| APTA | AMERCIAN PUBLIC TRANSPORT ASSOCIATION |
| APU | AUXILIARY POWER UNIT |
| AQMD | AIR QUALITY MANAGEMENT DISTRICT |
| ARAI | AUTOMOTIVE RESEARCH ASSOCIATION OF INDIA |
| ARB | AIR RESOURCE BOARD |
| ARENA | TEST SITE (SWEDEN) |
| ARFF | AUTOMATIC REAR FOG FLASHLIGHTS |
| ARTC | AUTOMOTIVE RESEARCH TECHNICALCENTRE (TAIWAN) |
| ARTEMIS | ASSESSMENT & RELIABILITY OF TRANSPORT EMISSIONS MODELS & INVENTORY SYSTEMS |
| ARTS | ADAPTIVE RESTRAINT TECHNOLOGY SYSTEM |
| AS | AFTERMARKET SECTOR |
| ASA | BUNDESVERBAND DER HERSTELLER UND IMPORTEUR VON AUTOMOBIL-SERVICE AUSTUNGEN |
| ASCS | AEROSPACE SECTOR CERTIFICATION SCHEME |
| ASD | ANTI-SLIDE DEVICE |
| ASE | (NATIONAL INSTITUTE FOR) AUTOMOTIVE SERVICE EXCELLENCE (USA) |
| ASE | AUXILIARY STEERING EQUIPMENT |
| ASEP | ADDITIONAL SOUND EMISSIONS PROVISIONS (ECE WG) |
| ASG | AUTOMOTIVE STUDIES GROUP |
| ASME | AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
| ASN | ABSTRACT SYNTAX NOTATION |
| ASN.1 | ABSTRACT SYNTAX NOTATION ONE |
| ASR | AUTOMOTIVE SHREDDER RESIDUE |
| ASR | AUTOMATIC SKID REDUCTION (TRACTION CONTROL) |
| ASSI | AIR SAFETY SUPPORT INTERNATIONAL |
| ASTM | AMERICAN SOCIETY FOR TESTING AND MATERIALS |
| ASV | ADVANCED SAFETY VEHICLES |
| AT | AUTOTUOJAT (FINLAND) |
| ATA | AUTOMOTIVE TECHNICIAN ACCREDITATION |
| ATAG | AMBULANCE TRANSPORT ADVISORY GROUP |
| ATA-MC | MAINTENANCE COUNCIL OF THE AMERICAN TRUCKING ASSOCIATION |
| ATB | ARTICULATED TOTAL BODY |
| ATC | AUSTRALIAN TRANSPORT COUNCIL |
| ATC | ADDITIVES TECHNICAL COMMITTEE |
| ATCO | ASSOCIATION OF TRANSPORT CO-ORDINATING OFFICERS |
| ATD | ANTHROPORMORPHIC TESTING DEVICE |
| ATEIL | ASSOCIATION TECHNIQUE DE L’INDUSTRIE EUROPEENNE DES LUBRIFIANTS |
| ATL | AUTOMATED TEST LANE |
| ATOC | ASSOCIATION OF TRAIN OPERATING COMPANIES |
| ATP | INTERNATIONAL AGREEMENT FOR CARRIAGE OF PERISHABLE GOODS |
| ATPA | AUTOMOBILE THEFT PROTECTION AUTHORITY (MICHIGAN) |
| ATSVR | AFTER THEFT SYSTEM FOR VEHICLE RECOVERY |
| ATT | ADVANCED ROAD TRANSPORT TELEMATICS |
| ATV | ALL TERRAIN VEHICLE |
| ATVEA | ALL TERRAIN VEHICLE INDUSTRY EUROPEAN ASSOCIATION |
| AU | AUTOMOTIVE (BSI COMMITTEE DESIGNATION) |
| AUE | AUTOMOBILE ENGINEER |
| AUE/9 | BSI TECHNICAL COMMITTEE FOR AUTOMOBILE DETAILS AND ACCESSORIES |
| AUE/9/1 | BSI TECHNICAL COMMITTEE FOR CAR JACKS |
| AUKOI | ASSOCIATION OF UNITED KINGDOM OIL INDEPENDENTS |
| AUTIG | AUTORESERVEDELS-OG TILBEHORS FORENINGEN 1 DANMARK |
| AUWED | AMENDING DIRECTIVE TO THE USE OF WORK EQUIPMENT DIRECTIVE (95/63/EEC) |
| AV | ABANDONED VEHICLE |
| AVC | ADVANCED VEHICLE CONCEPT |
| AVE | ASSISTANT VEHICLE EXAMINER |
| AVI | AUTOMATIC VEHICLE INDENTIFICATION |
| AVMS | AUTOMOTIC VEHICLE MONITORING SYSTEM |
| AVRO | ASSOCIATION OF VEHICLE RECOVERY OPERATORS |
| AVSS | ADVANCED VEHICLE SECURITY SYSTEM |
| AVT | ACTIVE VALVE TRAIN |
| AWD | ALL WHEEL DRIVE |
| AWF | ADAPTED WEIGHTING FACTOR |
| AWLREM | ASSOCIATION OF WEBBING LOAD RESTRAINT EQUIPMENT MANUFACTURERS |
| AWP | AREA WASTE PLAN (SCOTLAND X 11) |
| AWS | ADVANCED WEIGHT SENSOR |
