Deb Hubsmith, director of thenbsp;Safe Routes to School National Partnership, advocates for and promotes the practice of safe bicycling and walking to and from schools throughout the United States. So what are the benefits of walking and biking? Deb cites a new report that the Rails to Trails Conservancy released to Congress entitled Active Transportation for America:nbsp;A Case for Increased Federal Investment in Bicycling and Walkingnbsp;that offers some pretty convincing evidence.