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

https://tysonjheb045.lucialpiazzale.com/why-iron-gates-sag-and-how-welding-can-reinforce-cracked-or-weak-sections

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.