Accord European Relatif au Transport International du Merchandis Dangereuses par Route. European agreement
on International Carriage of Dangerous Goods
by Road. Compiled by the United Nations
for Europe (UN/ECE), it stipulates common
rules for the movement of dangerous goods by road, within and between the EU countries. ADR's method
of determining hazards and classifying materials is very similar to the DOT hazard code
(which too is based on the UN Recommendations) of the US.