The Agreement concerning the International Carriage of Dangerous Goods by Road (ADR) is intended to increase the safety of international transport of dangerous goods by road. This revised version is based on changes applicable from 1 January 2021. It contains new or revised provisions concerning in particular the transport of electrical storage systems (including lithium batteries installed in goods transport units and defective batteries) medical waste and radioactive materials. The COVID-19 pandemic has led to an increase in demand for medical gases (particularly medical oxygen) which along with infectious hazardous or radioactive substances are being transported with special care and are covered in this edition.

The European Agreement concerning the International Carriage of Dangerous Goods by Road is intended to increase the safety of international transport of dangerous goods by road. Regularly amended and updated since its entry into force it contains the conditions under which dangerous goods may be carried internationally. This version has been prepared on the basis of amendments applicable as from 1 January 2017. It contains in particular new or revised provisions concerning for vehicles and machineries; battery powered vehicles and equipment; marking and labeling for lithium batteries in Class 9; instructions in writing; construction and equipment of vehicles; use of LPG CNG and LNG as fuel for vehicles carrying dangerous goods.

This authoritative Agreement is intended to increase the safety of international transport of dangerous goods by road. Regularly amended and updated since its entry into force it contains the conditions under which dangerous goods may be carried internationally. This version has been prepared on the basis of amendments applicable as from 1 January 2011. It contains in particular revised provisions concerning the carriage of dangerous goods packed in limited quantities and the carriage of substances which are toxic by inhalation new criteria for the classification of environmentally hazardous substances revised requirements for the construction and testing of pressure receptacles tanks battery-vehicles and MEGCs including conformity assessment and periodic inspection as well as revised provisions for the training of drivers the safety obligations of unloaders and instructions in writing to be carried on board the vehicle.