Indiana Code Title 9. Motor Vehicles § 9-21-16-8

Sec. 8. The Indiana department of transportation may, with respect to highways under the department's jurisdiction, place signs prohibiting or restricting the stopping, standing, or parking of vehicles on a highway where an engineering investigation has revealed the need for a restriction.  The signs must be official signs.  A person may not stop, stand, or park a vehicle in violation of the restrictions stated on the signs.