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ADR, formally the Agreement of 30 September 1957 concerning the International Carriage of Dangerous Goods by Road is a 1957
The ADR Secretariat has defined a classification system for major tunnels in Europe. "The categorization sbased on the assumption that in tunnels there are three major dangers
Image:ADR 1.svg, 1 Explosives
Image:ADR 2.1.svg, 2.1 Flammable gases
Image:ADR 2.2.svg, 2.2 Non-toxic and non-flammable gases
Image:ADR 2.3.svg, 2.3 Poison gases
Image:ADR 3.svg, 3 Flammable liquids
Image:ADR 4.1.svg, 4.1 Flammable solids
Image:ADR 4.2.svg, 4.2 Spontaneously combustibles
Image:ADR 4.3.svg, 4.3 Dangerous when wet
Image:ADR 5.1.svg, 5.1 Oxidizers
Image:ADR 5.2.svg, 5.2 Organic peroxides
Image:Dangclass6 1.svg, 6.1 Poison
Image:ADR 6.2.svg, 6.2 Infectious substances
Image:ADR 7B.svg, 7 Radioactive
Image:UN transport pictogram - 8.svg, 8 Corrosive
Image:ADR 9.svg, 9 Miscellaneous dangerous substances
Image:ADR 9A.svg, 9A Lithium Ion Batteries
"Agreement concerning the International Carriage of Dangerous Goods by Road"
on the
Full text of the ADR 2021UN Model regulations ("Orange book") 2019ADR Book - Dangerous Goods by Road
{{Authority control Safety codes 1957 in Switzerland Chemical safety Transport treaties Treaties concluded in 1957 Treaties entered into force in 1968 1957 in transport Treaties of Albania Treaties of Andorra Treaties of Austria Treaties of Azerbaijan Treaties of Belarus Treaties of Belgium Treaties of Bosnia and Herzegovina Treaties of Bulgaria Treaties of Croatia Treaties of Cyprus Treaties of Czechoslovakia Treaties of the Czech Republic Treaties of Denmark Treaties of Estonia Treaties of Finland Treaties of France Treaties of Georgia (country) Treaties of West Germany Treaties of East Germany Treaties of Greece Treaties of the Hungarian People's Republic Treaties of Iceland Treaties of Ireland Treaties of Italy Treaties of Kazakhstan Treaties of Latvia Treaties of Liechtenstein Treaties of Lithuania Treaties of Luxembourg Treaties of Malta Treaties of Montenegro Treaties of Morocco Treaties of the Netherlands Treaties of Norway Treaties of the Polish People's Republic Treaties of the Estado Novo (Portugal) Treaties of Moldova Treaties of Nigeria Treaties of Romania Treaties of Russia Treaties of San Marino Treaties of Serbia and Montenegro Treaties of Slovakia Treaties of Slovenia Treaties of Francoist Spain Treaties of Sweden Treaties of Switzerland Treaties of Tajikistan Treaties of North Macedonia Treaties of Tunisia Treaties of Turkey Treaties of Ukraine Treaties of the United Kingdom Treaties of Yugoslavia United Nations Economic Commission for Europe treaties Treaties extended to the Faroe Islands Treaties extended to Greenland
ADR, formally the Agreement of 30 September 1957 concerning the International Carriage of Dangerous Goods by Road is a 1957 United Nations
The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmoni ...
treaty
A treaty is a formal, legally binding written agreement between actors in international law. It is usually made by and between sovereign states, but can include international organizations, individuals, business entities, and other legal per ...
that governs transnational transport of hazardous materials. "ADR" is derived from the French name for the treaty: ''Accord relatif au transport international des marchandises Dangereuses par Route''). Until 31 December 2020, the treaty was fully named European Agreement concerning the International Carriage of Dangerous Goods by Road. However, as the word "European" might have given the impression that the treaty was only open for accession to European states, an amendment was decided in the end of 2019.
Concluded in Geneva
Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevra ; rm, Genevra is the second-most populous city in Switzerland (after Zürich) and the most populous city of Romandy, the French-speaking part of Switzerland. Situa ...
on 30 September 1957 under the aegis of the United Nations Economic Commission for Europe
The United Nations Economic Commission for Europe (ECE or UNECE) is one of the five regional commissions under the jurisdiction of the United Nations Economic and Social Council. It was established in order to promote economic cooperation and ...
, it entered into force on 29 January 1968. The agreement was modified (article 14, paragraph 3) in New York City
New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...
on 21 August 1975, though these changes only took effect on 19 April 1985. A new amended ADR 2011 entered into force on 1 January 2011. Annexes A and B have been regularly amended and updated since the entry into force of ADR. Consequently, to the amendments for entry into force on 1 January 2015 (until June 2017), a revised consolidated version has been published as document ECE/TRANS/242, Vol. I and II. Every two years the regulations are updated with the latest version applicable being the ADR 2021
As of 2022, 54 states are party to ADR.
Contents
The agreement itself is brief and simple, and its most important article is article 2. This article states that with the exception of certain exceptionally dangerous materials, hazardous materials may in general be transported internationally in wheeled vehicles, provided that two sets of conditions be met: # Annex A regulates the merchandise involved, notably their packaging and labels. # Annex B regulates the construction, equipment, and use of vehicles for the transport of hazardous materials. The appendices consist of nine chapters, with the following contents # General provisions: terminology, general requirements # Classification: classification of dangerous goods (CDG) # Dangerous Goods List sorted by UN number, with references to specific requirements set in chapters 3 to 9; special provisions and exemptions related to dangerous goods packed in limited quantities # Packaging and tank provisions # Consignment procedures, labeling, and marking of containers and vehicles. # Construction and testing of packagings, intermediate bulk containers (IBCs), large packagings, and tanks # Conditions of carriage, loading, unloading, and handling # Vehicle crews, equipment, operation, and documentation # Construction and approval of vehiclesHazard classes
The classes of dangerous goods according to ADR are the following: *Class 1 Explosive substances and articles *Class 2 Gases, including compressed, liquified, and dissolved under pressure gases and vapors ** Flammable gases (e.g. butane, propane, acetylene) ** Non-flammable and non-toxic, likely to cause asphyxiation (e.g. nitrogen, CO2) or oxidisers (e.g. oxygen) ** Toxic (e.g. chlorine, phosgene) *Class 3 Flammable liquids *Class 4.1 Flammable solids, self-reactive substances, and solid desensitized explosives *Class 4.2 Substances liable to spontaneous combustion *Class 4.3 Substances which, in contact with water, emit flammable gases *Class 5.1 Oxidizing substances *Class 5.2 Organic peroxides *Class 6.1 Toxic substances *Class 6.2 Infectious substances *Class 7 Radioactive material *Class 8 Corrosive substances *Class 9 Miscellaneous dangerous substances and articles Each entry in the different classes has been assigned a 4 digitUN number
A UN number (United Nations number) is a four-digit number that identifies hazardous materials, and articles (such as explosives, flammable liquids, oxidizers, toxic, toxic liquids, etc.) in the framework of international trade and transport. Some ...
. It is not usually possible to deduce the hazard class of a substance from its UN number: they have to be looked up in a table. An exception to this are Class 1 substances whose UN number will always begin with a 0. See List of UN numbers
The UN numbers range from UN0001 to about UN3600 and are assigned by the United Nations Committee of Experts on the Transport of Dangerous Goods.
UN 0001 to 0600
* List of UN numbers 0001 to 0100
* List of UN numbers 0101 to 0200
* List of UN ...
.
Tunnel classifications
The ADR Secretariat has defined a classification system for major tunnels in Europe. "The categorization sbased on the assumption that in tunnels there are three major dangers hat
A hat is a head covering which is worn for various reasons, including protection against weather conditions, ceremonial reasons such as university graduation, religious reasons, safety, or as a fashion accessory. Hats which incorporate mecha ...
may cause numerous victims or serious damage to the tunnel structure." It is the responsibility of each national authority to categorize its tunnels accordingly. The classes ranges from A (least restrictive), to E (most restrictive). , in the United Kingdom for example, the least restrictive was the tunnel carrying the A299 to the Port of Ramsgate
The Port of Ramsgate (also known as Port Ramsgate, Ramsgate Harbour, and Royal Harbour, Ramsgate) is a harbour situated in Ramsgate, south-east England, serving cross-Channel freight traffic and smaller working and pleasure craft. It is owned an ...
, while the most restrictive were several tunnels in East London, including the Limehouse Link tunnel, the Rotherhithe Tunnel, the Blackwall Tunnel
The Blackwall Tunnel is a pair of road tunnels underneath the River Thames in east London, England, linking the London Borough of Tower Hamlets with the Royal Borough of Greenwich, and part of the A102 road. The northern portal lies just south ...
and the East India Dock
The East India Docks were a group of docks in Blackwall, east London, north-east of the Isle of Dogs. Today only the entrance basin and listed perimeter wall remain visible.
History Early history
Following the successful creation of the We ...
Link Tunnel.
ADR pictograms
ADR pictograms for chemical hazards are based on GHS Transport pictograms and Non-GHS transport pictogramsSee also
*Dangerous goods
Dangerous goods, abbreviated DG, are substances that when transported are a risk to health, safety, property or the environment. Certain dangerous goods that pose risks even when not being transported are known as hazardous materials ( syllabi ...
* European hazard symbols
* Hazchem – a system used in the United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and ...
, Australia
Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...
, and New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island coun ...
for marking dangerous goods
*ATEX directive
The ATEX directives are two EU directives describing the minimum safety requirements for workplaces and equipment used in explosive atmospheres. The name is an initialization of the French term ''Appareils destinés à être utilisés en ATmo ...
– two EU directives governing permitted equipment in explosive environments
References
Notes Sources"Agreement concerning the International Carriage of Dangerous Goods by Road"
on the
United Nations Economic Commission for Europe
The United Nations Economic Commission for Europe (ECE or UNECE) is one of the five regional commissions under the jurisdiction of the United Nations Economic and Social Council. It was established in order to promote economic cooperation and ...
website
External links
Full text of the ADR 2021
{{Authority control Safety codes 1957 in Switzerland Chemical safety Transport treaties Treaties concluded in 1957 Treaties entered into force in 1968 1957 in transport Treaties of Albania Treaties of Andorra Treaties of Austria Treaties of Azerbaijan Treaties of Belarus Treaties of Belgium Treaties of Bosnia and Herzegovina Treaties of Bulgaria Treaties of Croatia Treaties of Cyprus Treaties of Czechoslovakia Treaties of the Czech Republic Treaties of Denmark Treaties of Estonia Treaties of Finland Treaties of France Treaties of Georgia (country) Treaties of West Germany Treaties of East Germany Treaties of Greece Treaties of the Hungarian People's Republic Treaties of Iceland Treaties of Ireland Treaties of Italy Treaties of Kazakhstan Treaties of Latvia Treaties of Liechtenstein Treaties of Lithuania Treaties of Luxembourg Treaties of Malta Treaties of Montenegro Treaties of Morocco Treaties of the Netherlands Treaties of Norway Treaties of the Polish People's Republic Treaties of the Estado Novo (Portugal) Treaties of Moldova Treaties of Nigeria Treaties of Romania Treaties of Russia Treaties of San Marino Treaties of Serbia and Montenegro Treaties of Slovakia Treaties of Slovenia Treaties of Francoist Spain Treaties of Sweden Treaties of Switzerland Treaties of Tajikistan Treaties of North Macedonia Treaties of Tunisia Treaties of Turkey Treaties of Ukraine Treaties of the United Kingdom Treaties of Yugoslavia United Nations Economic Commission for Europe treaties Treaties extended to the Faroe Islands Treaties extended to Greenland