Section 134. Duties of commissioner as to interstate traffic

The
  commissioner may investigate interstate freight or  passenger  rates  or
  interstate  freight  or passenger service on railroads within the state,
  and when such rates are, in the opinion of the  commissioner,  excessive
  or  discriminatory  or  are  levied  or  laid in violation of the act of
  congress entitled "An  act  to  regulate  commerce,"  approved  February
  fourth,  eighteen  hundred  and  eighty-seven,  and  the acts amendatory
  thereof and supplementary thereto, or  in  conflict  with  the  rulings,
  orders  or  regulations  of  the  interstate  commerce  commission,  the
  commissioner may apply by petition to the interstate commerce commission
  for relief or may present to  the  interstate  commerce  commission  all
  facts  coming to his knowledge, as to violations of the rulings, orders,
  or regulations of that commission or as to violations of the said act to
  regulate commerce or acts amendatory thereof or supplementary thereto.