Ordnance Survey – Great Britain's national mapping agency
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Samples of OS MasterMap ITN layer data are available to download here. We have included an area of Port Talbot consistent with the sample data of other products on our website. The data is in GML version 2.1.2 format compressed to .gz and you will need compliant software to run it.
OS MasterMap compliant software is available from our partners. Access the Systems/Software page for information on what is currently available.Systems/Software page
Change-only update
You can download the initial file and then apply the changes in the corresponding change-only file. The full update file contains a complete resupply of the initial data, including updates.
| Port Talbot | ||
| Initial data | 47137-SS7886-5i1.gz (45 Kb - Currency Date 12/06/08) | |
| Change-only update | 49296-SS7886-5i1.gz (44 Kb COU from 12/06/08 - 16/09/08) | |
| Full update | 49302-SS7886-5i1.gz (45 Kb - Currency Date 16/09/08) | |
| Basingstoke | ||
| Initial data | 47125-SU6152-10i1.gz (27 Kb - Currency Date 12/06/08) | |
| Change-only update | 49282-SU6152-5i1.gz (1.65 Kb COU from 12/06/08 - 16/09/08) | |
| Full update | 49288-SU6152-10i1.gz (27 Kb - Currency Date 16/09/08) | |
View the product interactively
Take a look at how ITN Layer data might appear in a GIS by launching our product viewer.