Ind. Code § 8-23-7-22
The department may, after issuing an order and receiving the governor's approval, determine that a state highway should become a tollway. After the order becomes effective, the department shall maintain and operate the tollway and levy and collect tolls as provided in IC 8-15-3 or enter into a public-private agreement with an operator with respect to the tollway under IC 8-15.7 . Before issuing an order under this section, the department shall submit to the governor a plan to bring the tollway to the current design standards of the department for new state highways within a specified period. The specified period may not exceed five (5) years.
As added by P.L.18-1990, SEC.216. Amended by P.L.47-2006, SEC.41; P.L.85-2010, SEC.24; P.L.163-2011, SEC.17; P.L.13-2013, SEC.30; P.L.94-2015, SEC.5; P.L.165-2021, SEC.133; P.L.12-2022, SEC.7; P.L.19-2023, SEC.4; P.L.173-2025, SEC.23.