N.H. Rev. Stat. § 266:18-f
The commissioner of transportation, by rule adopted pursuant to RSA 541-A, shall have the authority to prohibit and to approve suitable locations for the assembly and disassembly of truck-tractor, semi-trailer, or full trailer combinations, and these rules shall have the force of law. No truck-tractor, semi-trailer, or full trailer combination shall be assembled or disassembled on the roadway or shoulder of any way, nor within a state or municipally owned right of way, nor at state operated rest areas, weigh stations or car pool parking lots, nor at any other location prohibited by the commissioner of transportation. Any person who shall violate the provisions of this section shall be guilty of a misdemeanor.
RSA 266:18-f
1986, 121:3, eff. Jan. 1, 1987.