[Tagging] bicycle traffic is banned in one direction - only on carriageway

[Sebastian Gürtler]

It would be clearer if there were a tag like
cycleway:left=no_special_infrastructure.

Then it would be clear to what a bicycle:left:oneway=yes refers.
cycleway:left=no may also do the job.

But I agreee clearly Martins interpretation: xyz=no usually means that
xyz is forbidden bicycle=no is usually used in that way. That's the
reason why I'm afraid that cycleway:left=no may be too short.

In the actual usual tags that may result in a tagging:

highway=*
cycleway:right=lane
cycleway:right:oneway=no
cycleway:left=no

And how to tell that you may use the left side?
cycleway:left:oneway=yes is a bit weird and contradictory to cycleway:left=no

But it is not really necessary because there is no tagging for the compulsory use of something.

Sorry, I'm too short of time now, but: cycleway:left=no is according to taginfo used quite often worldwide, didn't look up in what meaning...
But... I took a short look at the wiki - it is already explained and, Mateusz, you created that page...
I think you should use that tag. ;-) Maybe add that differentiation to the wiki page https://wiki.openstreetmap.org/wiki/Bicycle#Cycle_lanes_in_bidirectional_motor_car_roads

Still to discuss would be, whether use_sidepath is to be used for lanes too or whether to introduce use_lane, or just whether you would think that in that case the lane would be mandatory (if not misused for parking cars...).

Greetings,
Sebastian


Am 21.04.22 um 21:32 schrieb stevea:
> On Apr 21, 2022, at 11:41 AM, martianfreeloader <martianfreeloader at posteo.net> wrote:
>> I'd interpret the two tagging schemes in different ways...
> Hmmm, yeah.  I can get THERE, too!  So, notwithstanding what I said before (sometimes two syntax examples can result in the same semantic), as that remains true, I'm not sure which is more accurate in this case.  As these two taggings do appear to yield different semantic results.
>
> Tagging gets kind of tangled up sometimes, doesn't it?!  It can be subtle, it can be complex.
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