Ind. Code § 9-21-8-25 : Indiana Code - Section 9-21-8-25: Turn signals

A signal of intention to turn right or left shall be given continuously during not less than the last two hundred (200) feet traveled by a vehicle before turning or changing lanes. A vehicle traveling in a speed zone of at least fifty (50) miles per hour shall give a signal continuously for not less than the last three hundred (300) feet traveled by the vehicle before turning or changing lanes.
As added by P.L.2-1991, SEC.9.