[OSM-newbies] Bus stop IDs

[Serge Wroclawski]

> Maybe WMTA_ref would be more appropriate. If you
> consistently use the same tag then if an alternative arrangement is created
> for a larger area its easy to search and replace the tag chosen with
> something more appropriate. The main thing at this stage is to get the value
> data into the database.

That's a good idea, since WMATA isn't the only bus system around here.
Off the top of my head I can think of 5[1], and they overlap

So there's be WMATA_ref, RideOn_ref, Circulator_ref, etc. I guess.

- Serge

[1] According to a web page I found, there are actually 23 bus systems
in the DC area.