[Tagging] OSM is a right mess (was: Craigslist OpenStreetMap Rendering Issue)

[Warin]

On 4/06/2015 11:49 PM, Andreas Goss wrote:
>> OK, next option is
>>
>> directions=1 (way)
>> directions=2
>> directions=unknown.
>>
>> That way, the key has no  built-in value itself forcing the value to be
>> read to have any, well, value !
>
> And someone reading that tag will have no idea what it stands for. 
> Maybe those are different exits? Does it has something to do with lanes?
>

To me it stands for a direction sign ... ;-)     Or 2 direction signs, 
or it is unknown if the re is a direction sign.