In Durham, North Carolina, a bicycle-pedestrian bridge was built to connect two previously separate segments of a regional trail, leading to a 133 percent increase in trail use after its construction. This new connection allows the researchers to demonstrate a substantial increase in physical activity attributable to the bridge, with significant public health benefits for trail users.
Cook, T., S. O’Brien, K. Jackson, D. Findley, and S. Searcy. 2016. “Behavioral effects of completing a critical link in the American Tobacco Trail.” Transportation Research Record 2598: 19–26.