[Tagging] cycleway:lane=advisory

[Mateusz Konieczny]

So we need tagging for

- lane obligatory for cyclists, supposed to be respected by cars
- lane obligatory for cyclists, not supposed to be respected by cars
- lane optional for cyclists, not supposed to be respected by cars
- lane optional for cyclists, supposed to be respected by cars

Jan 19, 2021, 10:57 by rob at hubris.org.uk:

> On 18/01/2021 16:51, Volker Schmidt wrote:
>
>> Hi,
>> it seems that people are adopting the  two-year old tag 
>> cycleway:lane=advisory
>> <https://wiki.openstreetmap.org/wiki/Key:cycleway> tag for the new
>> "soft" bike lanes in various countries in Europe.
>> We have them too in Italy. (example 1
>> <https://www.mapillary.com/map/im/uu8fFxtxTsXauu7kZjxxAg>, example 2
>> <https://www.mapillary.com/map/im/7eknhQC31akzOMeO6z9YgD>)
>> My problem is:
>> There is no clear definition in the wiki, but from the wording I assume
>> that their use is not mandatory, hence the tag value "advisory".
>> However the new bike lanes in Italy are not advisory for cyclists, but
>> they are mandatory for cyclists. They are "soft" only for motorised
>> traffic as they can be used also by motorized traffic when the width of
>> the main carriageway is not sufficient.
>> They do have that  problem in common with the "Schutzstreifen" in
>> Germany, which I believe is tagged in the same way.
>> They are  "indirectly" mandatory to cyclists, as cyclists have to use by
>> law the outermost right hand part of the street (that includes the new
>> type of bike lane)
>>
>> So the value "advisory" is wrong.
>>
>
> To further muddy the waters, the UK has advisory cycle lanes (with a
> broken white line) and mandatory cycle lanes (solid white line).
>
> Mandatory in this context means that it is a requirement that motor
> vehicles do not drive in the lane, not that it is mandatory for cyclists
> to use them. There are no lanes where it is compulsory for cyclists to
> use them.
>
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