Indiana Administrative Code
Title 130 - PORTS OF INDIANA
Article 3 - TRAFFIC CONTROL
Rule 1 - Vehicular Traffic
Section 1-1 - Speed limits

(a) No person shall operate a motor vehicle or vehicle at a speed in excess of thirty (30) miles per hour on any port road as clearly indicated by control devices and signals.

(b) No person shall operate a motor vehicle or vehicle at a speed in excess of fifteen (15) miles per hour within any dock, loading, or building area except on the acceleration and deceleration lanes thereof as clearly indicated by control devices and signals.

(c) No person shall drive a vehicle or motor vehicle on the port roads at a speed greater than is reasonable and prudent under the conditions having regard for the actual and potential hazards then existing. In every event speed shall be so restricted as may be necessary to avoid colliding with any person, vehicle, motor vehicle, or other conveyance on or entering the port roads and with the duty of all persons to show due care.

(d) No person shall drive a motor vehicle or vehicle at such a low speed as to impede or block the normal and reasonable movement of traffic or at a speed of lower than five (5) miles per hour on the traffic lanes on the port roads, except when a reduced speed is necessary for safe operation or when ordered to do so by the port director, a police officer, or other authorized employee of the commission, or when posted at a lower speed.

(e) Whenever the commission determines that any of the speeds provided in subsection (d) are greater than are reasonable or safe under conditions found to exist on certain portions of the port roads, the commission or its authorized employees shall determine and declare the reasonable and safe speed limit in such areas and for such periods of time as the commission may deem advisable. Such speed limits, when so determined and set forth by the commission, shall be effective when appropriate signs giving notice thereof are erected upon said port roads so signed at a greater speed than is indicated upon such sign. At the trial of any person charged with the violation of this section, oral proof of the contents of said sign and the location thereof shall be prima facia [sic.] evidence of the determination and the option of the commission.