Definition of "greenway"

By their nature, railways tend to avoid steep gradients, with the result that these greenways are mostly on level, traffic-free paths, ideal for cycling.

2002 January 27, Tony Kelly, “Nothing to use but your chains”, in The Guardian‎

[…] that signify her drawn-out efforts to raise the $15 million necessary to open the Gynns Falls Trail, a 14-mile urban greenway in her native Baltimore that took 12 years instead of the three she had predicted.

2007 July 27, Robin Finn, “A Serious Obsession With Playgrounds”, in New York Times‎

More than 1,300 trees have been planted along the greenway.

2008 February 24, Abby Goodnough, “Boston Has High Hopes Now That the Dig Is Done”, in New York Times‎

In general, the smaller, more heavily used and less biologically intact greenways, will likely have less biodiversity value compared to larger, more intact greenways with less human activity.

2019, Jodi A. Hilty, Annika T. H. Keeley, Adina M. Merenlender, William Z. Lidicker Jr, Corridor Ecology, 2nd edition, Island Press, page 99