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OS MasterMap Highways Network support

The Highways Network integrates the Unique Street Reference Number (USRN) from authoritative sources (NSG, TRSG and SSG) with the most detailed definitive geometry from Ordnance Survey.

Helpful documents

OSMM Highways Network brings together data from authoritative sources such as the National Street Gazetteer (NSG) and Scottish Street Gazetteer (SSG) and OS Large Scale Road data to create a single authoritative view of the road network.

 

Getting started guide (PDF)

The Getting Started Guide provides instructions for using the product in different software applications. Users with limited technical knowledge will be able to follow this guide.

Product guide (PDF)

The Product Guide introduces the product and gives context for all users. It highlights key features, provides examples of potential uses for the product and lists details like file sizes, supply formats, etc.

OS MasterMap Highways Playbook (PDF)

Simple answers to common questions on OS MasterMap Highways Network

Release note (PDF)

This release note provides information about the May 2022 release of OS MasterMap Highways Network.

Find technical specifications for Roads, Routing and Asset Management Information, Paths and Speed.

Roads (PDF)

The Technical Specification provides detailed technical information about the Roads product. It is targeted at technical users and software developers

Routing and Asset Management Information (PDF)

The Technical Specification provides detailed technical information about the Routing and Asset Management Information product. It is targeted at technical users and software developers.

Paths (PDF)

The Technical Specification provides detailed technical information about the Paths product. It is targeted at technical users and software developers.

Speed (PDF)

The Technical Specification provides detailed technical information about the Speed product. It is targeted at technical users and software developers.

FAQs

OS MasterMap Highways Network - Roads

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