Surely there aren’t enough people walking them constantly to mash the grass to death, is there some kind of membrane placed under the dirt to stop grass growth?
Here is a pic of worn path from walking on, rough edges, clearly not intentional.
Will post pic after walking the dog of the trail that I’m speccifically curious about.
Plants are actually pretty sensitive to soil compaction, which can take a lot of time to reverse. the composition clay/sand in the soil can changed the time it takes to resettle, and it might even just erode down to rock.