[Tagging] Seasonnal roads

Rob Nickerson rob.j.nickerson at gmail.com
Tue Oct 9 23:27:50 BST 2012


*>One of the main mountain highways here is closed to licensed
vehicles*>during the winter months, but snowmobiles are permitted.
Would
>vehicle:conditional apply to snowmobiles?
>
>--
>Clifford


Hi Clifford,

"vehicle" does include snowmobiles. Essentially there is a hierarchy of
transportation modes that are explained at [1]. On the German language
version of this page there is a nice image explaining it [2]. So
"snowmobile" is in the "motor_vehicle" class, which itself is in the
"vehicle" class. Using vehicle:conditional would apply to everything within
the vehicle class (including all motor_vehicles and snowmobiles). You would
need to use:

* vehicle:conditional = no @ <months>
* snowmobile = yes

Here "snowmobile" is a more specific transportation mode than "vehicle" and
therefore overrules the conditional restriction. Replace <months> by those
winter months in which the restriction applies.

Regards,
Rob

[1] http://wiki.openstreetmap.org/wiki/Access#Transport_mode_restrictions
[2] http://wiki.openstreetmap.org/wiki/File:Access_hierarchy_simple.png
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