Dataset - data.gov.uk

Live traffic information from Highways England (previously Highways Agency)

Live traffic information data showing traffic information on the strategic road network in England, maintained by Highways England (previously called the Highways Agency)....
- PDF
- HTML
- XML
Highways England Agreed Diversion Routes

Highways England Agreed Diversion Routes represent the recommended routes for road users when a section of road has been closed. Routes may not be representative of the routes...
- ZIP
- PDF
- JSON

You can also access this registry using the API (see API Docs).