Sec. 5. (a) The authority shall study the need for and feasibility of constructing a new toll road under IC 8-15-2 or a new toll bridge under IC 8-16-1 only after receiving the approval of the commissioner of the Indiana department of transportation.
(b) If a study conducted under IC 8-15-2-20 indicates that a toll road project would have a substantial and positive impact, the authority shall recommend to the commissioner of the Indiana department of transportation that the toll road project be initiated.