National Highways and county traffic notices

Traffic

Original Dacorum Daily briefs. Last ingest 28/08/2026, 11:36:19.

• info

  National Highways data endpoint responding

  Dacorum Daily polled National Highways’ WebTRIS site list as a heartbeat for the M1 / A41 corridor. A successful response means the open traffic-data service is up. Individual incident descriptions are only published here when a public RSS or DATEX notice names the junction: we do not scrape Traffic England’s map.

  Source: National Highways WebTRIS · Official link