Based on an engineering and traffic investigation, the following local speed levels are established:
1 No vehicle traveling along or upon that portion of 94th Avenue lying south of the south line of 143rd Street and north of a line three hundred thirty feet (330') south of and parallel to the north line of the southwest quarter of Section 10, Township 36 North, Range 12, east of the Third Principal Meridian in Cook County, Illinois shall be operated of driven at a speed in excess of thirty (30) miles per hour. (Ord. 572, 1-14-74)
2. No person shall drive a vehicle upon 88th Avenue between 135th Street and Butterfield Lane within the Village at a speed which is greater than is reasonable and proper with regard to traffic conditions and the use of the street or endangers the safety of any person or property or at a speed greater than twenty (20) miles per hour. (Ord. 1412, 2-4-85)
3. No person shall drive a vehicle upon 151st Street from LaGrange Road to Orlan Brook Drive within the Village at a speed which is greater than is reasonable and proper with regard to traffic conditions and the use of the street or highway, or endangers the safety of any person or property or at a speed greater than thirty five (35) miles per hour. The fact that the speed of a vehicle does not exceed thirty five (35) miles per hour shall not relieve the driver from the duty to decrease speed when approaching and crossing an intersection, when approaching and going around a curve, when approaching a hill crest, when traveling upon any narrow or winding roadway or when a special hazard exists with respect to pedestrians or other traffic or by reason of weather or highway conditions; and speeds shall be decreased as may be necessary to avoid colliding with any person or vehicle on or entering the highway in compliance with legal requirements and the duty of all persons to use due care.
4. No person shall drive a vehicle upon 151st Street from Orlan Brook Drive to 82nd Avenue, within the Village at a speed which is greater than is reasonable and proper with regard to traffic conditions and the use of the street or highway, or endangers the safety of any person or property or at a speed greater than forty (40) miles per hour. The fact that the speed of a vehicle does not exceed forty (40) miles per hour shall not relieve the driver from the duty to decrease speed when approaching and crossing an intersection, when approaching and going around a curve, when approaching a hill crest, when traveling upon any narrow or winding roadway or when a special hazard exists with respect to pedestrians or other traffic or by reason of weather or highway conditions; and speeds shall be decreased as may be necessary to avoid colliding with any person or vehicle on or entering the highway in compliance with legal requirements and the duty of all persons to use due care.
5 No person shall drive a vehicle upon 151st Street from 82nd Avenue, to Harlem Avenue, within the Village at a speed which is greater than is reasonable and proper with regard to traffic conditions and the use of the street or highway, or endangers the safety of any person or property or at a speed greater than forty five (45) miles per hour. The fact that the speed of a vehicle does not exceed forty five (45) miles per hour shall not relieve the driver from the duty to decrease speed when approaching and crossing an intersection, when approaching and going around a curve, when approaching a hill crest, when traveling upon any narrow or winding roadway or when a special hazard exists with respect to pedestrians or other traffic or by reason of weather or highway conditions; and speeds shall be decreased as may be necessary to avoid colliding with any person or vehicle on or entering the highway in compliance with legal requirements and the duty of all persons to use due care. (Ord. 2003, 6-18-90)
6. No person shall drive a vehicle upon any portion of Ravinia Avenue between 144th Place and 147th Street and on West Avenue from 153rd Street to its intersection with Ravinia Avenue in the Village of Orland Park, Cook and Will Counties, Illinois, at a speed which exceeds thirty (30) miles per hour. A lower speed shall be required if thirty (30) miles an hour is greater than reasonable and proper with regard to the traffic conditions and the use of the street or highway, or endangers the safety of any person or property. The fact that the speed of a vehicle does not exceed thirty (30) miles per hour shall not relieve a driver from the duty to decrease speed when approaching and crossing an intersection, when approaching and going around a curve, when approaching a hill crest, when traveling upon any narrow or winding roadway, or when a special hazard exists with respect to pedestrians or other traffic or by reason of weather or highway conditions; and speeds shall be decreased as may be necessary to avoid colliding with any person or vehicle on or entering the highway in compliance with legal requirements and the duty of all persons to use due care. (Ord. 3673, 8-19-02)
7. No person shall drive a vehicle upon any portion of 143rd Street from Harlem Avenue to 80th Avenue in the Village of Orland Park, Cook and Will Counties, Illinois, at a speed which exceeds forty-five (45) miles per hour. A lower speed shall be required if forty-five (45) miles an hour is greater than reasonable and proper with regard to the traffic conditions and the use of the street or highway, or endangers the safety of any person or property. The fact that the speed of a vehicle does not exceed forty-five (45) miles per hour shall not relieve a driver from the duty to decrease speed when approaching and crossing an intersection, when approaching and going around a curve, when approaching a hill crest, when traveling upon any narrow or winding roadway, or when a special hazard exists with respect to pedestrians or other traffic or by reason of weather or highway conditions; and speeds shall be decreased as may be necessary to avoid colliding with any person or vehicle on or entering the highway in compliance with legal requirements and the duty of all persons to use due care. (Ord. 3770, 6-16-03)
8. No person shall drive a vehicle upon any portion of Will-Cook Road from 159th Street to 167th Street in the Village of Orland Park, Cook and Will Counties, at a speed which exceeds forty-five (45) miles per hour. A lower speed shall be required if forty-five (45) miles per hour is greater than reasonable and proper with regard to the traffic conditions and the use of the street or highway, or endangers the safety of any person or property. The fact that the speed of a vehicle does not exceed forty-five (45) miles per hour shall not relieve a driver from the duty to decrease speed when approaching and crossing an intersection, when approaching and going around a curve, when approaching a hill crest, when traveling upon any narrow or winding roadway, or when a special hazard exists with respect to pedestrians or other traffic or by reason of weather or highway conditions; and speeds shall be decreased as may be necessary to avoid colliding with any person or vehicle on or entering the highway in compliance with legal requirements and the duty of all persons to use due care. (Ord. 4520, 12-7-09)
9. No person shall drive a vehicle upon any portion of Will-Cook Road from 167th Street to the north curb of Brookshire Drive in the Village of Orland Park, Cook and Will Counties, at a speed which exceeds forty (40) miles per hour. A lower speed shall be required if forty (40) miles per hour is greater than reasonable and proper with regard to the traffic conditions and the use of the street or highway, or endangers the safety of any person or property. The fact that the speed of a vehicle does not exceed forty (40) miles per hour shall not relieve a driver from the duty to decrease speed when approaching and crossing an intersection, when approaching and going around a curve, when approaching a hill crest, when traveling upon any narrow or winding roadway, or when a special hazard exists with respect to pedestrians or other traffic or by reason of weather or highway conditions; and speeds shall be decreased as may be necessary to avoid colliding with any person or vehicle on or entering the highway in compliance with legal requirements and the duty of all persons to use due care. (Ord. 4520, 12-7-09)
10. No person shall drive a vehicle upon any portion of 131st Street from U.S. Route 45 (LaGrange Road) to Illinois Route 7 (Southwest Highway) in the Village of Orland Park, Cook and Will Counties, at a speed which exceeds forty (40) miles per hour. A lower speed shall be required if forty (40) miles per hour is greater than reasonable and proper with regard to the traffic conditions and the use of the street or highway, or endangers the safety of any person or property. The fact that the speed of a vehicle does not exceed forty (40) miles per hour shall not relieve a driver from the duty to decrease speed when approaching and crossing an intersection, when approaching and going around a curve, when approaching a hill crest, when traveling upon any narrow or winding roadway, or when a special hazard exists with respect to pedestrians or other traffic or by reason of weather or highway conditions; and speeds shall be decreased as may be necessary to avoid colliding with any person or vehicle on or entering the highway in compliance with legal requirements and the duty of all persons to use due care. (Ord. 4521, 12-7-09)