The proposed tag is also for odd vehicles. In NL and DE some bicycles with
certain measurments may use the adjacent road. Not just for destination
purposes. So I'm afraid  a bicycle=destination will not work.


2013/11/16 Paul Johnson <ba...@ursamundi.org>

>
>
> On Friday, November 15, 2013, Masi Master wrote:
>
>> Am 15.11.2013, 17:13 Uhr, schrieb Paul Johnson <ba...@ursamundi.org>:
>>
>>  On Tuesday, November 12, 2013, Masi Master wrote:
>>>
>>>  Hi all,
>>>> I'm the co-author of this proposal.
>>>> There are a difference about bicycle-forbidden and a compulsory
>>>> cycleway.
>>>>
>>>> In Germany it is allowed to leave the cycleway for a leftturn, if you
>>>> choose the normal leftturn-lane (which cars use). Or in Austria training
>>>> with a racebike is allowed to don't look after compulsory cycleway. I.e.
>>>> for the last case the router can give you an option to allow
>>>> "bicycle=use_cycleway"-roads.
>>>>
>>>>
>>> Then you really want bicycle=destination and this whole "use_cycleway"
>>> crud
>>> is redundant if you've mapped the cycleway correctly.  I see no
>>> compelling
>>> argument to change the world when access=destination already exists for
>>> exactly this situation.
>>>
>>
>> First, we call this value "designated".
>> Then we have also cycleways without compulsory, which have also a
>> (different) sign. Belongs the bicycle=designated-tag only to them with
>> compulsory? Why this tag is generally implicit in highway=cycleway? We have
>> also cycleways without signs, which are non-compulsory.
>> So there are no uniformly tagging for compulsory cycleways on the
>> cycleway.
>>
>> I.e., if I hate cycleway and need a route without to use cycleways, how
>> does it work with compulsory cycleways? Banning all cycleways don't work,
>> because near a compulsory cycleways I ride illegally on the road. I have to
>> ban all cycleways and all roads which have a compulsory cycleway
>> (=bicycle=use_cycleway).
>>
>
> Sounds about right. If you have a cycleway next to a road that you can
> only use to access locations on it's frontage, or for odd turn situations,
> seems like the cycleway could be explicitly tagged bicycle=designated, and
> the road adjacent as bicycle=destination.  This, and maybe some turn
> restriction relations to handle spots where cyclists need to switch to the
> other roadway to turn, should be ample to deal with all but the most bogus
> routers.
>
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