Rails-to-Trails Conservancy

Rails-to-Trails Conservancy is an American nonprofit organization working with communities to preserve unused rail corridors by transforming them into rail trails within the United States of America. The mission of RTC is to create a nationwide network of trails from former rail lines and connecting corridors to build healthier places for healthier people. Wikipedia*

On the C-SPAN Networks:
Rails-to-Trails Conservancy has hosted 1 event in the C-SPAN Video Library; the first program was a 2008 News Conference.