Blind Audio Tactile Mapping System project focuses on the latter area of research by helping people without sight access and explore spatial information.
From my hometown Urbana, vector and raster data for all the world!
"Access Illinois GIS data sets and documentation (metadata) for ArcIMS Interactive Map Services, USGS digital topographic maps, aerial photography, orthoimagery, orthophotography, geology, land use, natural resources, and infrastructure. Illinois data sets and map data layers are available for download free of charge."
Lets the user click on the map, to display info about the buildings. Many schools are still using static maps that are cumbersome to the user to understand and to find what they are looking for.