Section 229. Pending grade crossing elimination proceedings

In connection
  with any proceedings for the elimination of a grade  crossing  in  which
  all  business  and  matters  have  not  been  completed  on March first,
  nineteen  hundred   seventy-one,   the   commissioner   may   make   any
  determinations;  redeterminations;  findings;  amended,  supplemental or
  revised findings; orders; or amended, supplemental or revised orders  as
  he  shall  deem  appropriate  or  necessary  to carry out the duties and
  responsibilities of his office and may conduct  such  business  hearings
  for such purposes as he shall deem appropriate.