[Talk-us] No right turn on red

[Anthony]

On Fri, Nov 13, 2009 at 1:40 PM, Paul Johnson <baloo at ursamundi.org> wrote:
> Owlman wrote:
>
>> On Thu, Nov 12, 2009 at 5:39 PM, Anthony <osm at inbox.org> wrote:
>>>
>>> On Thu, Nov 12, 2009 at 6:29 PM, Dale Puch <dale.puch at gmail.com> wrote:
>>> > I would have to side with not tagging them.  This is a timming restriction,
>>> > not a navigation one.
>>>
>>> Navigation is not the only purpose of OSM data :).
>>
>> I think it may have a use for navigation; an algorithm to find the
>> fastest route could prefer paths through intersections that allow
>> right-turn-on-red over ones that restrict it.
>
> But this still doesn't address the problem of the defaults, which *do*
> vary by region to region (such as only one other state allowing left
> turn on red from a two way street, contra to the national default).  If
> you have suggestions, please pitch in; since this also solves the
> existing problem of all intersections with a stop sign or traffic signal
> being restriction=no_u_turn by default.

Use a tag on a boundary relation to define the defaults?