Obstructions. No person may place, maintain, or allow any obstructions
in the clearance zone other than those specifically permitted by this
overlay district, by state law or rule, or by written approval of
the Town Board. Items prohibited by this section include, but are
not limited to, fences, posts, structures, piled materials, hay bales,
vehicles, trailers, campers, equipment, or any other items that interfere
with the safe use or the maintenance of the clearance zone. No person
shall park a functioning vehicle in the clearance zone in such a way
as to unreasonably interfere with safe use of the road or the maintenance
of the clearance zone.