Section 215-C:31 - Regulations of Political SubdivisionsI. With bylaws or ordinances city or town councils and boards of selectmen may regulate the operation of snowmobiles within city or town limits, providing they do not conflict with provisions of this chapter.II. Speed limits for snowmobiles traveling on the frozen surface of Turtle Pond, also known as Turtle Town Pond, in the city of Concord shall not exceed 55 miles per hour.III. Enforcement of paragraph II shall be the joint responsibility of the city of Concord and the state of New Hampshire. IV. The local legislative body of a municipality shall not by ordinance or resolution authorize the planning board to review and approve or disapprove site plans for the development, siting, maintenance, or use of trails on private property for snowmobiles, as defined in RSA 215-C:1.Amended by 2017, 156:14, eff. 7/1/2017. 2005, 210:1, eff. July 1, 2006.