Ind. Code § 9-21-8-5
The following rules govern the overtaking and passing of vehicles proceeding in the same direction, subject to the limitations, exceptions, and special rules stated:
(2) Except when overtaking and passing on the right is permitted, a person who drives an overtaken vehicle shall give way to the right in favor of the overtaking vehicle on audible signal and may not increase the speed of the overtaken vehicle until completely passed by the overtaking vehicle.
[Pre-1991 Recodification Citation: 9-4-1-66.]
As added by P.L.2-1991, SEC.9.