Live traffic information from the Highways Agency

Live traffic information data showing traffic information on the strategic road network in England, maintained by the Highways Agency.

The separate datasets are referred to as "information products" and presented as XML, conforming to a Datex 2 data specification. A supporting document is provided to support understanding of the Datex 2 schema.

Information products consist of: Current Roadworks updated every 10 mins (1 M bytes) Future Roadworks updated every 6 hours (2 M bytes) Current Planned Events updated every 10 mins (10 K bytes) Future Planned Events updated every 6 hours (200K bytes) Unplanned Events updated every 10 mins (50 K bytes) All Traffic Data updated every 10 mins (30 M bytes) Journey Time Data updated every 10 mins (500 K bytes) Variable Message Signs updated every 10 mins (3 M bytes) The Variable Message Signs (VMS) information product will contain the status of all currently set or faulty VMS on the HA network. If the next publication no longer contains a particular VMS, then either the message or fault has been cleared. The payload file will contain VariableMessageSignSetting elements.

Matrix Signals updated every 10 mins (9 M bytes) The Matrix Signal information product will contain the status of all currently set or faulty Matrix Signals on the HA network. If the next publication no longer contains a particular Matrix Signal, then either the setting or fault has been cleared. The payload file will contain MatrixSignSetting elements.