[Tagging] Tagging turn restriction defaults

André Pirard A.Pirard.Papou at gmail.com
Thu Apr 5 10:26:39 UTC 2018

On 2018-04-05 05:16, Paul Johnson wrote:
> What would be the best way to handle setting unusual defaults on a
> regional basis?  For example, all of the City of Tulsa and State of
> Oregon prohibit U-turns at traffic lights.  How would one tag for
> this, and the inverse, tagging where such a turn is allowed by a sign?

OSM does not encode defaults in its database.
There is a Proposed features/Defaults
<https://wiki.openstreetmap.org/wiki/Proposed_features/Defaults> , but
instead of being validated or improved, it was abandoned.
Defaults are encoded in external databases, one per routing engine.

> Most complicated example I can think of is one intersection I remember
> is at https://www.openstreetmap.org/node/4597658691 and it's
> immediately adjacent companion for the other carriageway just south. 
> U-turns are banned in Oregon at traffic lights, but facing Canyon Road
> eastbound and westbound is a sign that says "U Turn OK, CARS ONLY". 
> Northbound and southbound traffic cannot U-turn at the light.  So
> there would need to be an exception for motorcars coming from the east
> or west to allow a U-turn and a statewide regional default to deny
> U-turns at lights for all modes.
> _______________________________________________
> Tagging mailing list
> Tagging at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/tagging

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tagging/attachments/20180405/5382f12f/attachment.html>

More information about the Tagging mailing list