Comparison of GHS and Transport ClassificationSimplifying ... Mar 11, 2016 · Harmonization & Differences. Transport regulations are harmonized with GHS standard for classification of dangerous goods. Latest Transport Regulations such as ADR 2015 & IMDG Code 2014 is aligned with GHS Revision 5 published in the year 2013. Transport Regulations Classifies Dangerous Goods into 9 Classes and Environmentally hazardous substances.