Trails in Lincoln, Nebraska have the potential to generate large benefits for trail users in terms of avoided medical costs. These benefits may significantly outweigh the per capita cost of trail construction and maintenance. However, due to simplifying assumptions made regarding both benefits and costs, the cost-benefit ratios are unreliable.
Wang, G., C.A. Macera, B. Scudder-Soucie, T. Schmid, M. Pratt, and D. Buchner. 2005. “A cost-benefit analysis of physical activity using bike/pedestrian trails.” Health Promotion Practice 6: 174-179.