The main objective of the present standard is to present the Reference Data Model for Public Transport, based on: the Reference Data Model, EN 12896, known as Transmodel V5.1; EN 28701:2012, Intelligent transport systems – Public transport – Identification of Fixed Objects in Public Transport (IFOPT), although note that this particular standard has been withdrawn as it is now included within Parts 1 and 2 of this standard (EN 12896-1:2016 and EN 12896-2:2016) following their successful publication.