Wheelmap.org has created a user driven resource for identifiying wheel chair accessible locations. The open source platform allows anyone to add accessibility descriptions and update old ones. The company provides the Wheelmap API for integration of this growing resource.
As you can see from the image above, the Wheelmap interface uses colored icons to denote ease of access for locations on the map. The color key is:
The RESTful Wheelmap API returns data formatted in JSON and is a great resource for anyone looking to provide accessibility details. This API is one of 403 mapping APIs that are listed in the ProgrammableWeb directory.