|local reference/local platform number|
|Used on these elements|
|Status: de facto|
|Tools for this tag|
The original suggestion on this page was to use local_ref=* for the number or letter of the platform or bus stop, while reserving ref=* for the number or reference code of a larger station or "stop area". However, it is much more common to use ref=* instead.
Many instances of this tag were first imported from the NAPTAN database in Britain.
Example with many bus stops:
In addition, only local_ref values with 1 or 2 alphanumerical characters are rendered. Expressions like "S10" will not be rendered.
Example with many bus stops ("A" - "K"):
Over time, this tag has also come to be used for local, usually national, coding schemes for aerodromes. Examples are the codes assigned to French airfields, catalogued on www.basulm.ffplum.fr, and the pseudo-icao codes assigned in Russia, as per 
- route_ref=* - route reference (number/code) cognizable on public transport stop signs.
- loc_ref=* - Local reference