§ 71.002  SPECIAL SPEED LIMITS WHILE PASSING SCHOOLS.
   (A)   School zones.
      (1)   For the purpose of this section, a SCHOOL DAY shall begin at 7:00 a.m. and shall conclude at 4:00 p.m.
      (2)   For the purpose of this section, SCHOOL means the following entities:
         (a)   A public or private primary or secondary school;
         (b)   A primary or secondary school operated by a religious institution; and/or
         (c)   A public, private or religious nursery school.
      (3)   On a school day when school children are present and so close thereto that a potential hazard exists because of the close proximity of the motorized traffic, no person shall drive a motor vehicle at a speed in excess of 20 mph while passing a school zone, or while traveling on a roadway on public school property or upon any public thoroughfare where children pass going to and from school.
      (4)   This section shall not be applicable unless appropriate signs are posted upon streets and maintained by the city wherein the school zone is located. The signs shall give proper due warning that a school zone is being approached, and shall indicate the school zone and the maximum speed limit in effect during school days when school children are present. Nothing in this chapter shall prohibit the use of electronic speed-detecting devices within 500 feet of signs within a special school speed zone indicating the zone, as defined in this section, nor shall evidence obtained thereby be inadmissible in any prosecution for speed, provided the use of the device shall apply only to the enforcement of the speed limit in the special school speed zone.
(ILCS Ch. 625, Act 5, § 11-605(a))
      (5)   Nothing in this chapter shall prohibit the use of electronic speed-detecting devices within 500 feet of signs within a special school speed zone indicating the zone, as defined in this section, nor shall evidence obtained thereby be inadmissible in any prosecution for speeding, provided the use of the device shall apply only to the enforcement of the speed limit in the special school speed zone.
(ILCS Ch. 625, Act 5, § 11-605(c))
   (B)   Special limit while traveling through highway construction or maintenance speed zones.
      (1)   (a)   A person may not operate a motor vehicle in a construction or maintenance speed zone at a speed in excess of the posted speed limit when workers are present.
         (b)   A person may not operate a motor vehicle in a construction or maintenance speed zone at a speed in excess of the posted speed limit when workers are not present.
      (2)   Nothing in this chapter prohibits the use of electronic speed-detecting devices within 500 feet of signs within a construction or maintenance speed zone indicating the zone, as defined in this section, nor shall evidence obtained by use of those devices be inadmissible in any prosecution for speeding, provided the use of the device shall apply only to the enforcement of the speed limit in the construction or maintenance speed zone.
      (3)   (a)   As used in this section, a CONSTRUCTION OR MAINTENANCE SPEED ZONE is an area in which the Department, toll highway authority or a local agency has posted signage advising drivers that a construction or maintenance speed zone is being approached, or in which the Department, authority, or local agency has posted a lower speed limit with a highway construction or maintenance speed zone special speed limit sign after determining that the preexisting established speed limit through a highway construction or maintenance project is greater than is reasonable or safe with respect to the conditions expected to exist in the construction or maintenance speed zone.
         (b)   If it is determined that the preexisting established speed limit is safe with respect to the conditions expected to exist in the construction or maintenance speed zone, additional speed limit signs which conform to the requirements of this division (B)(3) shall be posted.
         (c)   Highway construction or maintenance speed zone special speed limit signs shall be of a design approved by the Department. The signs must give proper due warning that a construction or maintenance speed zone is being approached and must indicate the maximum speed limit in effect. The signs must also state the amount of the minimum fine for a violation.
(ILCS Ch. 625, Act 5, § 11-605.1)aximum speed limit in effect. The signs must also state the amount of the minimum fine for a violation.
(ILCS Ch. 625, Act 5, § 11-605.1)
(1999 Code, § 71.002)  Penalty, see § 71.999