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OS MasterMap Integrated Transport Network (ITN) - Road Network and Road Routing Information (RRI)

OS MasterMap Integrated Transport Network (ITN) - Road Network and Road Routing Information (RRI) - sample image

The OS MasterMap Integrated Transport Network Layer is a detailed, accurate and up-to-date vector dataset of Great Britain’s road network. The comprehensive Roads Network theme represents Great Britain’s entire road network, from motorways and primary routes to named and unnamed minor roads and local streets, as a fully topologically structured link-and-node network.

The similarly comprehensive Road Routing Information theme (usable only in conjunction with the aforementioned Roads Network theme) provides information on factors which may influence a driver’s choice of route and allows them to navigate accurately and efficiently. Such information includes height, weight and width restrictions; traffic calming measures; turn restrictions; and one-way roads as well as vehicular access and time restrictions.

Road Network links are geometrically sympathetic with topographic details available in OS MasterMap Topography Layer and aligned to the aerial photography available within the OS MasterMap Imagery Layer.

Product details

Product: OS MasterMap Integrated Transport Network (ITN) - Road Network and Road Routing Information (RRI)
Author: Ordnance Survey
Scale: 1:1,250
Datum: OSGB36
Projection: Transverse Mercator
Spheroid: Airy
Licence:view pdf

Sample downloads