Re: [Talk-GB] NSL in built-up areas: what source:maxspeed to use?

2012-05-25 Thread Borbus
On 25/05/12 12:30, Andrew Chadwick wrote:
> What value should we use for source:maxspeed=* in built-up areas when
> there's no signage or road markings, just street lights?

There *should* always be signage indicating a change in maxspeed from
something else to 30 mph.

The street lights merely act as repeaters, since normally repeaters are
required every so many yards for a non-NSL limit.  The presence of
street lights does *not* mean 30 mph (just need to look at any lit
motorway for evidence of this).

I have found anomalies, though.  In fact, I happen to live on a road
which is not signed correctly.  It joins a 40 mph road, but there is no
indication of change of speed limit.  I have informed my local council
about this but never heard anything back.

I think really the only thing we can do in such situations is use common
sense.  So source:maxspeed=common_sense?

Alternatively, you could ask the local council which should know the
real limits.

-- 
Borbus.

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[Talk-GB] NSL in built-up areas: what source:maxspeed to use?

2012-05-25 Thread Andrew Chadwick
What value should we use for source:maxspeed=* in built-up areas when
there's no signage or road markings, just street lights? Specifically
the concept expressed in

  http://en.wikipedia.org/wiki/Built-up_area_%28Highway_Code%29

Searching taginfo suggests:

* "source:maxspeed=GB:built-up_area" (+ var: "built_up-area"...)
  From 1385 uses without GB: or UK: prefix for the somewhat uncommon
  maxspeed:default=*, but we could use it for the more usual key too.
  Source: http://taginfo.openstreetmap.org/search?q=maxspeed%3Dbuilt

* "source:maxspeed=GB:restricted_road"
  From 394 uses of similar-looking things in taginfo, most of which are
  UK: prefixed.
  Src: http://taginfo.openstreetmap.org/search?q=maxspeed%3Drestricted

Any other possibilities? I think I prefer the former even if using both
a hyphen and an underscore make it ugly and error-prone. It's the more
common term in everyday parlance, and we're not doing designations here.

There don't seem to be any relevant matches for "lit" or "light".

I'm planning on making a presets bundle for them, so values would need
would need to fit alongside GB:motorway, GB:nsl_dual, GB:nsl_single.

-- 
Andrew Chadwick

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