[Tagging] source:maxspeed vs. maxspeed:type

[SomeoneElse]

Richard Mann wrote:
> My impression is that a lot of the source:maxspeed were added by a 
> single user in an armchair edit. So its prevalence is not really an 
> indicator of anything.
>

You might be referring to the "FIXME:nsl = inferred single-carriageway 
NSL - remove this tag once verified" incident, of which this was an example:

http://www.openstreetmap.org/browse/way/25457815/history

(roughly half of those revisions are armchair maxspeed edits)

Cheers,
Andy