This document presents preliminary results and proposals developed by the Data Model Management Group to extend and improve the Transmodel, the European Reference Data Model for Public Transport.
It comprises four proposals for enhancements. The proposals are dedicated to the functional domains of Real-Time Control, Multi-Modal Operation, Network Model and Version Management. The presentation of the proposals is derived from internal reports of TITAN/1 and TITAN/2. In this presentation the results of a first harmonisation step are incorporated.