railbanking
n.— «The rail trail movement started as a grassroots effort in the 1960s but really picked up steam with the amendment of the National Trail Systems Act in 1983 to allow a process called “railbanking” to begin.» —“From rails to trails” by Matt Sanders Southeast Missourian (Cape Girardeau, Missouri) Aug. 28, 2006. (source: Double-Tongued Dictionary)