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OS MasterMap Highways Network – Routing and Asset Management Information
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Last updated
Last updated
OS MasterMap Highways Network – Routing and Asset Management Information (RAMI) integrates data from Ordnance Survey's large-scale road and path data with additional street data held within the National Street Gazetteer (NSG), the Trunk Road Street Gazetteer (TRSG) and the Scottish Street Gazetteer (SSG). The routing information covers such aspects as vehicle restrictions, covering access, manoeuvres, and physical characteristics. The asset management information provides details on the authority responsible for maintaining a road, how a road should be restored following street works and if there are any unusual conditions that the local highway authority have associated with a road.
This product is updated monthly.
For vehicle routing and navigation software providers, this data gives you all you need to get your users safely to their destinations: turn, height, weight and width restrictions – and even bollards and traffic calming.
Our asset management information allows highways teams to improve planning schemes in the office, avoiding unnecessary site visits. It can also identify potentially difficult locations, so you can organise required permits in good time.
All the details at your fingertips. If a water leak is reported, use the data to find the property, street and nearest hydrant and assess impact on nearby properties, while determining the risk to other assets.
Go beyond just the restrictions with detailed information about narrow roads and pinch points. Join up your organisation's common reference to roads and help make informed decisions around the road quickly and effectively.
OS MasterMap Highways Network – RAMI includes our highly accurate road network geometry and associated routing restriction information for detailed route planning and network analysis.
Access to this product is free for Public Sector Geospatial Agreement (PSGA) Members. Find out if you are a PSGA Member or try out a sample of OS MasterMap Highways Network – RAMI data by accessing the product page on the OS website, which has links to all of the relevant resources. Alternatively, you can try out the full product by applying for a Data Exploration license.
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. Find out more about our OS API platform here to unlock 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 NGD Transport Theme data more accessible and easier to use with databases and GIS software. Find out more about NGD data here to discover how to access OS NGD and what's available to users.
To access additional documentation and resources relating to this product, please refer to the following:
New users should start with the Overview to gain high-level insight into the product. The Getting Started Guide will help you to begin using product data in different software systems. The Technical Specification contains detailed technical insights.
This product is available to try out online using one of our three sets of sample data (Exeter, Newport and Inverness) through the OS MasterMap Product Viewer:
