Developer Portal

Access the data services of National Highways, which provide valuable

information about the UK's strategic road network.

To begin, register and complete the onboarding process.

Register Explore APIs

1. Register

Register an account with National Highways.

2. Select subscription type

Select which subscription type suits your needs.

3. Access our APIs

___ Gain access to make API ___ calls.

Our Data Services

National Highways Digital Lab has a roadmap to deliver a number of APIs

Please click 'Subscribe Now' below to find out more

Road & Lane Closures

APIs relating to active road and lane closures

Subscribe Now

Speed Managed Areas

APIs relating to active speed managed areas

Coming Soon......

Diversion Routes

APIs relating to planned, unplanned, and major projects diversion routes

Coming Soon......

Digital VSS

APIs relating to Variable Signs & Signals (VSS)

Coming Soon......

Road Limits & Features

APIs relating to the suitability of a road for a specific vehicle

Coming Soon......

NH Open Data

Open Data
Being an open and transparent organisation is an important part of what we do. We aim to keep the public and industry informed about our activity and our performance against our key performance indicators.

This open data site enables open access to the definitive source of geographical datasets at National Highways.
Open Site

Frequently Asked Questions

Contact Us

If you've been using our APIs and come across a bug, just go ahead and submit an issue.

And if you think there's more that we can do for you, we'd love to hear your feedback!

Submit an issue Give us feedback