Maryland Trails Clearinghouse & Directory
Resources for Rails to Trails Projects
Rails to Trails Resources and Library
Hosted by AmericanTrails.org, this website focuses on projects involving the conversion of abandoned railroad rights of way to trails and greenways; design, management, legal issues, planning, rails with trails, and rail trail projects from across America.
Rails-to-Trails Conservancy
Rails-to-Trails Conservancy is a nonprofit organization based in Washington, D.C., whose mission it is to create a nationwide network of trails from former rail lines and connecting corridors to build healthier places for healthier people. Rails-to-Trails Conservancy serves as the national voice for more than 150,000 members and supporters, 19,000 miles of rail-trail throughout the country, and more than 9,000 miles of potential rail-trails waiting to be built. Rails-to-Trails Conservancy remains dedicated to the creation of a nationwide network of trails.

