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OS Open USRN
Last updated
Last updated
An open dataset containing all Unique Street Reference Numbers (USRNs) from OS MasterMap Highways Network with a simplified line geometry.
This product is updated monthly.
A USRN is a unique and persistent identifier for every street, road, track, path, cycle track or cycle way in Great Britain.
Our Open USRN product contains USRNs across Great Britain. USRNs are the authoritative identifier assigned to and uniquely identifying streets, and are essential for managing Great Britain's highways. Once it's allocated to a street record, a USRN will never change or be reused.
The USRNs in OS Open USRN are allocated by Highway or Road Authorities and Highway Bodies, under their statutory responsibility to maintain this information. This means you can have confidence you’re accessing an authoritative source of these identifiers.
All USRNs present in OS MasterMap Highways Network are also included in this product – so you can be sure you’re not missing out.
OS Open USRN will enable you to start sharing and linking together information about USRNs which you can visualise with a location.
Access to this product is free through the OS Data Hub.
OS Open Identifiers Family Information – This page gives context and information about the OS Open Identifiers 'Family' of products, including explaining what identifiers are and introducing the OS identifiers (TOID, UPRN and USRN). We recommend referring to this page in combination with the Overview and Technical Specification documents for OS Open USRN.
OS Open USRN is part of the OS Open Identifiers 'Family' of products, which includes four OpenData products: OS Open Linked Identifiers, OS Open TOID, OS Open UPRN and OS Open USRN. The products within this family allow you to easily share information held against a range of identifiers and to link together information associated with these identifiers.
