Build and manage better road networks
The HDM-4 Documentation series Volumes 1 - 3 are now available to download for registered users. Please fill in the form at the end of this page to be sent the links to download these manuals.
Find out about the technical support service offered by HDMGlobal to help users use HDM-4 effectively.
For existing HDM-4 users, view the latest software release and the changes made before registering to receive the updates.
Find out about HDM-4 training courses offered by HDMGlobal and their partner organisations and other related events.