Merge branch 'craigmr-transportation_atlanta_api'

README.md

@@ -253,6 +253,7 @@ A collective list of JSON APIs for use in web development.
 | Transport for Rio de Janeiro, Brazil | Prefeitura do Rio (City Hall) | No | [Go!](http://data.rio/group/transporte-e-mobilidade) |
 | Trasport for Madrid, Spain | Madrid BUS transport API | No, but apiKey query string |[Go!](http://opendata.emtmadrid.es/Servicios-web/BUS) |
 | Transport for India | India Public Transport API | No, Api key is required   | [Go!](https://data.gov.in/sector/transport) |
+| Transport for Atlanta, US | Marta | No | [Go!](http://www.itsmarta.com/developers/data-sources/marta-bus-realtime-restful-api.aspx) |
 | Indian Railways | Indian Railways API | No, but a token is required |[Go!](http://api.erail.in/) |
 
 ### University