D-TRO Data Model Documentation

v4.0.0

Welcome to the D-TRO Data Model Interactive User Guide. You can use the sidebar links and search controls to navigate through the guide.

This document is also connected to a navigable version of the D-TRO UML Data Model, whcih can be opened from the A Tour of the Data Model section.

Upversioning

Starting 15th June 2026, DfT will begin the process of upversioning legacy D-TROs submitted to the D-TRO service. For more information please see the following GitHub thread.

https://github.com/department-for-transport-public/D-TRO/issues/1#issuecomment-4668371825

Contents