[Tagging] Tagging turn restriction defaults
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
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