Sec. 506. (a) A thoroughfare plan that is included in the comprehensive plan may determine lines for new, extended, widened, or narrowed public ways in any part of the territory in the jurisdiction.
(b) The determination of lines for public ways, as provided in subsection (a), does not constitute the opening, establishment, or acceptance of land for public way purposes.
(c) After a thoroughfare plan has been included in the comprehensive plan, thoroughfares may be located, changed, widened, straightened, or vacated only in the manner indicated by the comprehensive plan.
(d) After a thoroughfare plan has been included in the comprehensive plan, the plan commission may recommend to the agency responsible for constructing thoroughfares in the jurisdiction the order in which thoroughfare improvements should be made.