Indiana Code Title 9. Motor Vehicles § 9-21-14-3

Sec. 3. (a) A marching band procession has the right-of-way on a local road or street and at an intersection and may proceed on the local road or street and through the intersection if the procession is headed by a person wearing a fluorescent jacket or a lead or escort vehicle displaying a revolving amber light with three hundred sixty (360) degree visibility, except under either of the following conditions:

(b) A vehicle on the local road or street at the time the marching band procession is proceeding must pull over on the local road or street and yield the right-of-way until the procession has passed the vehicle.

(c) A pedestrian may not physically interfere with a marching band procession or the individuals in the procession.

(d) Before assuming the right-of-way, the marching band procession must exercise due caution with regard to crossing traffic.