New Jersey Administrative Code
Title 13 - LAW AND PUBLIC SAFETY
Chapter 62 - MOTOR VEHICLE RACE TRACK RULES
Subchapter 12A - QUARTER MIDGETS EVENTS
Section 13:62-12A.2 - Track construction

(a) Construction of hubrails, fences and other safety devices for quarter midget events shall comply in all respects with provisions of this subchapter.

(b) The hubrail construction for quarter midget events shall be the same as the hubrail construction used for go-kart and motorcycle events in that planks made of marine plywood three-quarter inches thick and 12 inches wide may be used. Steel Armco barriers may also be used.

(c) The licensee shall erect along any part of the track where spectators are permitted, in addition to the hubrail, a fence six feet in height and located not less than four feet from the edge of the track.