[Tagging] Special traffic signs - still highway=traffic_signals?

Markus selfishseahorse at gmail.com
Mon Jan 13 18:51:08 UTC 2020

Hi Mateusz

On Mon, 13 Jan 2020 at 17:06, Mateusz Konieczny <matkoniecz at tutanota.com> wrote:
> There are some special traffic signals near me
> - usually flashing yellow, that has no meaning
> - turning red in case of an incoming
> special vehicle
> Special vehicle may be
> (1) emergency vehicle leaving fire department
> in this case it gets activated probably once or
> twice a day
> (2) tram on a level crossing
> - in peak about over every four minutes,
> during day about once 15 minutes
> How to tag this cases?
> Like any other traffic light?

There are already some secondary tags in use and documented for these
kinds of traffic signals:

  * traffic_signals=emergency (902 uses): a normal-looking traffic
signal, often in front of a fire station, that turns red only to give
emergency vehicles right-of-way. Color details may be different (e.g.
flashing yellow instead of solid green in the bottom lens). Often a
sign mounted next to the signals states 'emergency signal'.

  * traffic_signals=bus_priority/tram_priority (321/160 uses):
normally off, but whenever a bus or a tram approaches, it first blinks
yellow and then changes to red to allow or facilitate passage for the
bus or tram


I'm going to adjust the documentation for the normal state of these
special case of traffic signals, as they may be off or blinking



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