This page is still under construction. If you have links you'd like to add that are relevant to this topic, please send them to goldennecklace@gmail.com.
Rails to Trails Conservancy
http://www.railtrails.org
American Trails
http://www.americantrails.org
Several studies undertaken to corrolate housing values with trail proximity have shown that values typically stay the same or increase with an urban trail nearby.
Read what American Trails discovered in this article.