OS MasterMap Highways Network – Roads
Here you will find all documentation for the OS MasterMap Highways Network – Roads product.
A navigable road network dataset with detailed information about planned roads and roads under construction for Great Britain.
For all highways stakeholders, OS MasterMap Highways Network is data you can trust. It draws on authoritative sources and helps underpin the common operational picture that leads to faster, better decisions.
Comprehensive and authoritative
OS MasterMap Highways Network – Roads combines high-quality, accurately surveyed data with features from the National Street Gazetteer; the Local Highways Authorities road name, numbering and maintenance; the Trunk Road Street Gazetteer collected by Highways England and Welsh Government; and the Scottish Street Gazetteer containing information from Scottish local authorities and Transport Scotland.
Unified highways data
A common highways dataset means a common understanding of the existing network, enabling better decision and policy making.
Unique identifiers
Highly detailed road geometry supplied with essential unique identifiers, including the Unique Street Reference Numbers (USRNs) and Topographic Identifiers (TOIDs), which enable linking and sharing of data against the road and street networks.
Future-proofed data
Get detailed information about planned roads and roads under construction, helping you to better understand the roads of today and the roads of tomorrow.
OS MasterMap Highways Network – Roads can be used:
As a source for legal road identifications
To estimate costs or benefits of road policies
For calculating efficient funding allocations and for evidence-based policy making, including:
Managing policies
Producing statistics
Allocating funding
Supporting legislation
Asset management
Journey planning, routing and navigation
Emergency service and civil contingency planning
Enforcement regulation
Transport planning and traffic statistics
School allocation
Smart cities
Access: Download
Category: Networks
Data theme: Transport
Data structure: Vector – Topologically structured link and node network
Coverage: Great Britain
Scale: 1:1 250 to 1:10 000
Format: GML 3.2.1, GeoPackage, vector tiles
Ordering area: All of Great Britain or a customisable area (user-defined polygon)
How to get this product
Access to this product is free for PSGA (Public Sector Geospatial Agreement) Members. You can check if your organisation is a member of the PSGA on the OS website.
The OS MasterMap Highways Network – Roads product page on the OS website has advice on how to get the product for businesses, developers, OS Partners and PSGA Members (i.e. government and the public sector).
Sample data
Download OS MasterMap Highways Network – Roads sample data
You can download sample data for the product for free from the OS Data Hub. The sample data is available in GML 3.2 format and covers one area (Exeter).
Visualise OS MasterMap Highways Network – Roads sample data online
This product is available to try out free online using one of our three sets of sample data (Exeter, Newport and Inverness) through the OS MasterMap Product Viewer:
Other ways to access this data
OS MasterMap Highways Network data is available through our OS Features API, providing location-based insights combining topography data with buildings, transport, and water layer data to create detailed datasets with a high degree of accuracy. Visit the OS API docs site to unlock programmatic access to rich geospatial data and integrate OS data and services into your applications
Access to OS MasterMap Highways Network data is also available through the OS NGD Transport Theme, providing data that is interoperable with other OS NGD themes, improved data structures, and a data schema designed to be simple to use and interrogate. Users may find OS NGD Transport Theme data more accessible and easier to use with databases and GIS software. Visit the OS NGD docs site to discover how to access the OS NGD and learn what's available to users.
What's next?
To access additional documentation and resources relating to this product, please refer to the following:
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