If any section, subsection, sentence, clause
or phrase of this chapter is for any reason unconstitutional, such
decisions shall not affect the validity of the remaining portion of
this chapter. The Board of Selectmen hereby declares that it would
have passed these regulations and each section, subsection, sentence,
clause or phrase thereof irrespective of the fact that any one or
more sections, subsections, sentences, clauses or phrases be declared
unconstitutional.
If any vehicle is found upon any street or highway
in violation of any provisions of this chapter and the identity of
the driver cannot be determined, the owner or the person in whose
name such a vehicle is registered shall be held prima facie responsible
for such violation(s).