[H+T--Friends] Sidewalk registry

Hello all, We at CDC are interested in developing a national sidewalk registry with an accompanying application that assists cities/towns in creating sidewalk GIS layers. Is anyone aware of others working on a similar project? Thanks for any info. Feel free to reply directly to xdh5(a)cdc.gov Geoffrey "Jeff" Whitfield, PhD MEd Epidemiologist Centers for Disease Control and Prevention National Center for Chronic Disease Prevention and Health Promotion Physical Activity and Health Branch Voice: 770-488-3976