E.__A snowmobile may be operated on streets and public ways during a period of emergency when the emergency has been so declared by a police agency having jurisdiction and when travel by conventional motor vehicles is not practicable. This paragraph does not apply to a snowmobile operated by a public utility regulated by the Public Utilities Commission while being operated in the course of the utility's corporate function, so that public utilities may effectively and speedily carry out their obligations to the public.

F.__A snowmobile may be operated on streets and public ways in special snowmobile events of limited duration conducted according to a prearranged schedule and under a permit from the governmental unit having jurisdiction.

G.__Notwithstanding paragraphs A to F, a snowmobile may be operated on the extreme right of a public way within the built-up portion of a municipality or unorganized or unincorporated township if the appropriate governmental unit has designated the public way as a snowmobile-access route for the purpose of allowing snowmobiles access to places of business.__A public way designated by an appropriate governmental unit as a snowmobile-access route must be posted conspicuously at regular intervals by that governmental unit with highly visible signs designating the snowmobile-access route.__Before designating a public way as a snowmobile-access route, the appropriate governmental unit shall make appropriate determinations that snowmobile travel on the extreme right of the public way may be conducted safely and will not interfere with vehicular traffic on the public way.__For purposes of this paragraph, "appropriate governmental unit" means the Department of Transportation, county commissioners or municipal officers within their respective jurisdictions.__The jurisdiction of each appropriate governmental unit over public ways pursuant to this paragraph is the same as its jurisdiction over the passage of vehicles on public ways pursuant to Title 29-A, section 2395.__Municipal or county law enforcement officials having jurisdiction have primary enforcement authority over any route established under this paragraph.