307.205.  Defined — requirements for operation. — 1.  For the purposes of sections 307.205 to 307.211, "electric personal assistive mobility device" (EPAMD) shall mean a self-balancing, two nontandem wheeled device, designed to transport only one person, with an electric propulsion system with an average power of seven hundred fifty watts (one horsepower), whose maximum speed on a paved level surface, when powered solely by such a propulsion system while ridden by an operator who weighs one hundred seventy pounds, is less than twenty miles per hour.

  2.  An electric personal assistive mobility device may be operated upon a street, highway, sidewalk, and bicycle path.  Every person operating such a device shall be granted all of the rights and be subject to all of the duties applicable to a pedestrian pursuant to chapter 304.

  3.  Persons under sixteen years of age shall not operate an electric personal assistive mobility device, except for an operator with a mobility-related disability.

  4.  An electric personal assistive mobility device shall be operated only on roadways with a speed limit of forty-five miles per hour or less.  This shall not prohibit the use of such device when crossing roadways with speed limits in excess of forty-five miles per hour.

  5.  A city or town shall have the authority to impose additional regulations on the operation of an electric personal assistive mobility device within its city or town limits.