§ 71.042  OVERTAKING VEHICLES ON THE LEFT.
   The following rules govern the overtaking and passing of vehicles proceeding in the same direction, subject to those limitations, exceptions and special rules otherwise stated in this chapter.
   (A)   The driver of a vehicle overtaking another vehicle proceeding in the same direction shall pass to the left thereof at a safe distance, and shall not again drive to the right side of the roadway until safely clear of the overtaken vehicle. In no event shall the movement be made by driving off the pavement or the main traveled portion of the roadway.
   (B)   Except when overtaking and passing on the right is permitted, the driver of an overtaken vehicle shall give way to the right in favor of the overtaking vehicle on audible signal, and shall not increase the speed of his or her vehicle until completely passed by the overtaking vehicle.
   (C)   The driver of a two-wheeled vehicle may not, in passing upon the left of any vehicle proceeding in the same direction, pass upon the right of any vehicle proceeding in the same direction unless there is an unobstructed lane of traffic available to permit the passing maneuver safely.
   (D)   The operator of a motor vehicle overtaking a bicycle or individual proceeding in the same direction on a highway shall leave a safe distance, but not less than three feet, when passing the bicycle or individual and shall maintain that distance until safely past the overtaken bicycle or individual.
   (E)   A driver of a motor vehicle overtaking a bicycle proceeding in the same direction on a highway may, subject to the provisions in division (D) of  this section and § 71.044 of this chapter, pass to the left of the bicycle on a portion of the highway designated as a no-passing zone under § 71.047 of this chapter if the driver is able to overtake and pass the bicycle when:
      (1)   The bicycle is traveling at a speed of less than half of the posted speed limit of the highway;
      (2)   The driver is able to overtake and pass the bicycle without exceeding the posted speed limit of the highway; and
      (3)   There is sufficient distance to the left of
the centerline of the highway for the motor vehicle to meet the overtaking and passing requirements under this section.
   (F)   A person driving a motor vehicle shall not, in a reckless manner, drive the motor vehicle unnecessarily close to, toward or near a bicyclist, pedestrian or a person riding a horse or driving an animal drawn vehicle.
(ILCS Ch. 625, Act 5, § 11-703)  (1999 Code, § 71.042)  Penalty, see § 71.999