2017 New Hampshire Revised Statutes
Title XXI - MOTOR VEHICLES
Chapter 259 - WORDS AND PHRASES DEFINED
Section 259:115-a - Tridem.

    259:115-a Tridem. – "Tridem'' shall mean 3 consecutive axles, the centers of which, when measured between the first and third axles, may be included between parallel vertical planes spaced more than 8 feet apart, and which tridem unit measures less than 12 feet overall between the centers of extreme axles, extending across the full width of the vehicles; except that for vehicles being driven on the interstate and defense highway system with a gross weight in excess of 73,280 pounds, a tridem shall measure not less than 40 inches nor more than 96 inches between the parallel vertical planes.

Source. 1983, 434:6, eff. June 24, 1983.

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