The local authority must perform an engineering and traffic investigation before a determination may be made to change a speed limit under subdivision (2), (3), (4), or (5) or before the speed limit within an urban district may be decreased to less than twenty-five (25) miles per hour under subdivision (1).
indicating the reduced speed limit; and
requests the local authority to decrease the limit.
IC 9-21-5-6
Pre-1991 Recodification Citation: 9-4-1-58.