IC 9-21-8-24: Slowing down, turning from a direct course, and changing lanes; performance with reasonable safety; signal

Sec. 24. (a) A person may not:

(1) slow down or stop a vehicle;

(2) turn a vehicle from a direct course upon a highway; or

(3) change from one (1) traffic lane to another;

unless the movement can be made with reasonable safety.

(b) Before making a movement described in this section, a person shall provide notice of the person's intention by giving:

(1) a clearly audible horn signal if any pedestrian may be affected by the movement; and

(2) an appropriate stop or turn signal in the manner provided in sections 27 through 28 of this chapter.