Sec. 412.2. Vehicles not permitted to use parkways and park roads

The following are prohibited from using park roads, except as specifically authorized in this Part:

(a) any motor vehicle, trailer or semitrailer designed, used or maintained for the transportation of commercial goods or materials, or drawing a semitrailer, or designed, constructed or adapted primarily for use as a dwelling or sleeping quarters, including but not limited to vehicles designated as: commercial; agricultural; truck, including panel truck, and van truck, hearse, trailer or semitrailer; boat or snowmobile trailer; coach or house trailer; camp or travel trailer; self-propelled motor home; fifth wheel travel trailer; and utility trailer;

(b) pedestrians, except at designated crossings;

(c) riders and drivers of horses;

(d) animal-drawn vehicles;

(e) motorized bicycles; scooters, motorettes and other similar small power-propelled vehicles of two or three wheels, any of which has an overall diameter of less than 15 inches, excluding the tires;

(f) bicycles, except on designated bikeways;

(g) all terrain vehicles or similar vehicles designed to be used outside of roadways;

(h) snowmobiles, except where an unplowed parkway or road has been designated for such use; and

(i) any vehicle displaying any advertising matter.