Developer Portal

Access the data services of National Highways, which provide valuable

information about the UK's strategic road network.

NEWS & EVENTS

2025-01: Digital VMS API released

Developer Portal: Minor content updates | Digital VMS API released | See release notes for more detail

2025-01: Road and Lane Closure v1.0 to be retired May 2025

Road and Lane Closures v1.0 to be retired 31 May 2025 after the launch of v2.0 of Road and Lane Closures and release of unplanned closures

Coming Soon: Digital Lab Data Partner Forum Spring 2025

Planned early 2025 | Communications and confirmed dates to be shared soon

2025-02: Road and Lane Closures API v2.0 and Speed Managed Areas API v1.0

Road and Lane Closures API v2: Updated schema and improved refresh cadence | Speed Managed Areas API v1.0 launched | See release notes for more detail

2025-02: Diversion Routes Spatial Dataset released | Updates to Developer Portal

Diversion Routes spatial dataset released on National Highways Open Data Portal | See here for more detail | Developer Portal: Minor content updates and issue/feedback capture

_ 1. Register _ ___________

Register an account with National Highways.

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2. Subscribe to the APIs

Create your subscription and gain your API key.

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3. Access our APIs _______________

Start integrating our APIs. _______________

Explore APIs

Our Data Services

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

Please investigate our APIs and data services below to find out more

Road & Lane Closures

______ Access planned road and ____ lane closures

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Digital VMS

__ Access messages being displayed on digital signs across the network

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Speed Managed Areas

__ Access area with mandatory speed limits due to planned works

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Road Limits & Features

Access information relating to different features of the network

Learn more

Diversion Routes

Access a spatial dataset covering agreed diversion routes

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

Frequently Asked Questions

Don't see your query here, head over to our FAQ section for more guidance

Contact Us

If you've been using our APIs and come across a bug or had difficulty with the developer portal, just go ahead and submit an issue.

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

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