OS MRN Known Data Issues

This page lists known data issues in relation to the OS MRN product. Once resolved, details of a known data issue will be held on the page until the next release of the product.

Live known data issues

Data Issue Name	Data Issue Description
Records with unexpected speed attributes	12 752 features have a 'maxspeed:foward' or 'maxspeed:backward' value which is not in sympathy with the corresponding OS NGD Average and Indicative Speed information. This issue is being investigated by our development team.
Missing features compared to OS NGD Transport	1 Road Link, 2 Path Nodes, 9 Path Links and 100 Railway Nodes are not present in OS MRN, but are present in the corresponding release of OS NGD Transport Network. This issue is being investigated by our development team.
Records with unexpected os_overallpavementpresence.	Some features have an 'os_overallpavementpresence' value which is not in sympathy with the corresponding OS NGD Road Link pavement information (112 747 features) or is unexpectedly null (69 285 features). This issue is being investigated by our development team.
Records with unexpected 'foot' attribute.	29 415 features have a 'foot' value which is not in sympathy with the corresponding OS NGD transport link. This issue is being investigated by our development team.
Records with unexpected vehicle restriction attribute.	A small number of features (<100) have a max height, weight, width or length value which is not in sympathy with the corresponding OS NGD transport link. This issue is being investigated by our development team.
Records with unexpected access restriction attribute.	A small number of features (<100) have 'access', 'access:forward' or 'access:backward' attribute values which are not in sympathy with the corresponding OS NGD transport link. This issue is being investigated by our development team.

To report an issue not currently listed here, please visit the 'Contact us' page on the OS website.