[Tagging] Tagging dangerous intersections
John Willis
johnw at mac.com
Wed Nov 11 01:25:57 UTC 2015
> On Nov 11, 2015, at 1:15 AM, Mateusz Konieczny <matkoniecz at gmail.com> wrote:
>
> For start, traffic sign itself may be also mapped. It would also make
> clear that hazard (or other method to tag this) is based on something
> verifiable, not opinion of the mapper.
Sounds like a similar situation to the advisory sign discussion (non-rule/law based signs giving information to motorists)
Traffic_sign:advisory=carjacking
Coupled with whatever hazard=* you want to throw on it.
(Or similar, I forget the exact tag syntax at the moment...)
I'm sure there are plenty of situations where "no stopping because of natural danger" exist.
One of the roads up a volcano here (Kusatsu-Shirane) in Japan is surrounded by sulphur vents. There is an advisory to roll up windows and not to stop, to avoid the smell and possible asphyxiation (if there is a big burp of sulphur).
It's not too much of a stretch to use it for a social danger *if* the signage actually exists.
If it is just your opinion, that is also debatable, as we do strive to get the local mapper's ground truth - but without a sign, that certainly is a big can of worms.
With a sign - we're just mapping signs.
- theft of valuables (don't leave valuables in the car)
- car theft (lock your car!)
- pickpockets / bag thieves
- prison (no stopping for hitchhikers)
Also, natural warning signs
- dangerous animals (lions, bears, Pumas, snakes, etc) in rural/backcountry trailheads
- land mines (certain countries)
-tsunami zone (entering a low area)
- turn car wheels to curb (very steep hill parking)
These signs may not be necessary, but for micromappers who are mapping the vending machines' serial numbers (found in Tokyo), having a decent framework for advisory signs themselves to be mapped (regardless if they are rendered) should be considered.
Javbw.
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