[Tagging] Feature Proposal - RFC - Emergency Traffic Signals

Nathan Edgars II neroute2 at gmail.com
Mon Jan 17 07:38:48 GMT 2011

On Mon, Jan 17, 2011 at 2:23 AM, Paul Johnson <baloo at ursamundi.org> wrote:
> Tagging single-aspect signals seems excessive overkill, given the
> propensity of single aspect signals and their standard usage emphasizing
> other traffic control devices (particularly signals that are permanently
> flashing yellow).

Maybe they don't have overhead blinkers in states that begin with O,
but around here there are a couple two- or four-way stops with
single-ball signals suspended from wires. The approaches that stop
have a permanently blinking red, and the others have a yellow. These
are useful to mark for navigation if nothing else.
Here's an example (four-way stop so they're all red):

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