Or just contribute to OpenStreetMap so that anyone and everyone can use the data, like these universities already have:<p>UCL:
<a href="http://osm.org/go/euu4P5k~n-" rel="nofollow">http://osm.org/go/euu4P5k~n-</a><p>Wake Forest Univerity
<a href="http://bestofosm.org/?type=mapnik&lon=-80.27799&lat=36.13376&zoom=17" rel="nofollow">http://bestofosm.org/?type=mapnik&lon=-80.27799&lat=...</a><p>University of Maryland:
<a href="http://bestofosm.org/?type=mapnik&lon=-76.94250&lat=38.98770&zoom=16" rel="nofollow">http://bestofosm.org/?type=mapnik&lon=-76.94250&lat=...</a>