V-track and cantilever sliding gates both save space where swing clearance is limited

https://blogfreely.net/sloganbtjp/h1-b-repair-or-replace-your-homes-automatic-gate-signs-of-wear-friction-39rs

V-track and cantilever sliding gates both save space where swing clearance is limited, but cantilever designs are used when a gate must move without a ground-mounted rolling track.