[Tagging] what does maxheight=none mean?

[Richard Welty]

On 10/27/14 6:17 AM, Martin Koppenhoefer wrote:
>
> 2014-10-27 11:04 GMT+01:00 moltonel 3x Combo <moltonel at gmail.com 
> <mailto:moltonel at gmail.com>>:
>
>     The maxheight=* tag maps the physical limitation, not the sign (which
>     can be absent or even wrong). Tagging maxheight=none really makes no
>     sense.
>
>
>
> no, the maxheight tag maps the legal restriction (typically derived 
> from a sign, in absence of a sign might be implied by other legal 
> provisions). For physical restrictions use maxheight:physical (in some 
> countries this is even signed). For the actual clearance height we 
> could still use another tag like "height" (maybe better not, as this 
> would IMO imply the height of the road, i.e. from the surface 
> downwards) or more explicitly "clearance_height".
in the US, the default behavior is that the signed max height has a 
couple of inches to spare.
if there is no margin then it's considered an actual maxheight which 
naturally would map to

maxheight:actual

i have no idea what usage is in the UK

richard

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