[Routing] Routing with changing road qualification, changing default access.

[Allroads]

Traffic signs regulate many things, directly the access but also the road qualification. Which in turn influences the access.

There are situations, where a traffic_sign, changes the road qualification on a temporary base, this means that a unclassified road can be temporary a pedestrian zone.
There is a pedestrian zone traffic sign with a undersign with times, saying only at these times it is a pedestrian zone.
I like to tag the situation as short and directly as possible.
Because a pedestrian zone have default access tags, I do not need to tag the access. Only if there is a exception.

You get a tagging like this.

highway=unclassified
highway:conditional=pedestrian @ (Mo-Sa 06:00-19:00) 

Do the various routing engines take this into account?



Situation on Netherlands forum:
https://forum.openstreetmap.org/viewtopic.php?pid=774928#p774928
in this case there was a exception
vehicle:conditional=delivery @ (Mo-Sa 06:00-11:00,16:00-18:00)

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