DIRN means Defined Interstate Railway Network

        What does DIRN stand for? Abbreviation of DIRN, definition of DIRN, Explanation of DIRN, Full forms of short form DIRN.

         We are providing world largest and most comprehensive acronyms, abbreviations directory and search engine for acronyms on the Internet. Abbreviations Finder contains more than 7 million abbreviations and acronyms. You can also search for more than 740,000 general Comprehensive words.