Directs the Federal Highway Administration (FHWA) to produce an accurate estimate of nonhighway recreational fuel tax receipts and deliver that estimate to Congress at least one year before Recreational Trails Program funding is expected to expire. States that the Recreational Trails Program should be administered through the Transportation Alternatives funding mechanism without reducing or affecting funding for other Federal highway programs.

States findings about current funding: the program receives about $84 million per year from a nonhighway fuel tax set aside, while nonhighway recreation vehicles contribute an estimated $281 million more into the Highway Trust Fund that is not credited to the trails program. The measure focuses on improved accounting and a funding pathway rather than creating new spending or changing tax law.