All fences installed for the purpose of limiting spectator areas shall be constructed of welded wire fabric or chain link and shall be at least six feet in height and so constructed as not to be easily lifted, climbed over or moved aside.
N.J. Admin. Code § 13:62-6.4
See: 38 N.J.R. 4806(a), 39 N.J.R. 790(a).
Deleted ", except at motocross events the fence shall be of the same construction but at least five feet in height" from the end.