Do we have a preference for tagging unrestricted limits in the UK? I say that because a section of the A1 is beginning to look a bit war damaged (as in edit war).
It started with maxspeed=national. I changed it to maxspeed=70 mph. Christcf then added a 'source:maxspeed = UK:nsl_dual' and also 'FIXME:nsl = inferred dual-carriageway NSL - remove this tag once verified; if this is a Special Road, remove the source:maxspeed tag and add motorroad=yes'. And now c2r has changed maxspeed back to national! Here is the way in question: http://www.openstreetmap.org/browse/way/3994397/history My preference is to put a numeric speed in the maxspeed field and something like 'UK:nsl_dual' in source:maxspeed field, however I am not that keen on a prolonged edit war on this and want to gauge wider opinion. If it is ok to put something like 'national' in the maxspeed field then what text options are appropriate for the UK? 'national' seems too vague. 'UK:national' or 'GB:national' would fit with the recommended structure as would 'UK:motorway', 'UK:nsl_dual' and 'UK:nsl_single' however I can find no guidance on that. Assuming we are supporting these second format then where should the look-up table be that gives the values? This page is having a go at it but doesn't seem to be doing a very good job! http://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Maxspeed Incidentally, I have also updated the key:maxspeed wiki page so that it more clearly represents the tagging recommendations and options available, in particular it presents the two options for encoding implicit speed limits well. Can people see if they agree with current representation of opinion. http://wiki.openstreetmap.org/wiki/Key:maxspeed Any thoughts? Peter
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