ILCS » Chapter 225 · Act 440
Illinois Compiled Statutes

225 ILCS 440/6.03 (2026)

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(225 ILCS 440/6.03) (from Ch. 121, par. 506.03)
    Sec. 6.03. Spacing.
    (a) No sign may be erected or maintained in such a manner as to obscure or otherwise physically interfere with an official traffic sign, signal or device or to obstruct or physically interfere with the driver's view of approaching, merging or intersecting traffic within 1000 feet of such sign, signal, device or point of intersecting or merging traffic.
    (b) Along interstate highways and expressways no two sign structures on the same side of the highway shall be erected less than 500 feet apart. Along primary highways other than expressways no 2 sign structures on the same side of the highway shall be erected less than 300 feet apart (100 feet inside incorporated municipalities). Except with respect to the repair, rebuilding, or replacement of any sign lawfully erected before January 1, 1993, after the effective date of this amendatory Act of 1992, along primary highways other than expressways, no 2 sign structures on the same side of the highway shall be erected less than 500 feet apart (300 feet inside incorporated municipalities). A sign structure may have one or two facings with a maximum of two signs per facing. Back to back, V-type, and side by side signs shall be treated as single sign structures. Provided, however, that the foregoing spacing between structures requirements shall not apply to structures which are separated or screened by buildings, natural surroundings, or other obstructions in such manner that only one sign facing located within such distance is visible at any one time.
    (c) Outside incorporated municipalities, no sign structure may be erected along an interstate highway or expressway adjacent to, or within 500 feet of an interchange, rest area, or weigh station, such 500 feet to be measured along the main-traveled way from the beginning or ending of pavement widening at the exit from or entrance to the main-traveled way.
(Source: P.A. 87-1205.)

    
Notes of Decisions
Cited in 5 cases, 1994–2019 · leading case: Drury Displays, Inc. v. Brown, 715 N.E.2d 1230 (Ill. App. Ct. 5th Dist. 1999).
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Drury Displays, Inc. v. Brown, 715 N.E.2d 1230 (Ill. App. Ct. 5th Dist. 1999). · cites it 4× “State law (225 ILCS 440/6.03(b)) prohibits two advertising signs within 500 feet of each other on the same side of the highway on interstate highways.”
T & S SIGNS, INC. v. Vill. of Wadsworth, 634 N.E.2d 306 (Ill. App. Ct. 2d Dist. 1994). “225 ILCS 440/6.03 (West 1992). " 'Business area’ means any part of an area adjacent to and within 660 feet of the right-of-way which is at any time zoned for business, commercial or industrial activities under the authority of any law of this State; or not so zoned, but which…”
CBS Outdoor, Inc. v. Dep't of Transp., 2012 IL App (1st) 111387, 970 N.E.2d 509. “225 ILCS 440/6.03(b) (West 2008). In IDOT’s July 1, 2010, letter to plaintiff, IDOT stated that it intended to deny plaintiff’s application because Diehl’s permit was within 500 feet of plaintiff’s proposed location.”
Drury Displays, Inc. v. Brown, No. 5-98-0298 (Ill. App. Ct. 5th Dist. Aug. 20, 1999). · cites it 4× “State law (225 ILCS 440/6.03(b)) prohibits two advertising signs within 500 feet of each other on the same side of the highway on interstate highways.”
Shout Outdoor Media, LLC v. Dep't of Transp., 2019 IL App (1st) 182522, 141 N.E.3d 7. “” 225 ILCS 440/6.03(b) (West 2016). 1 The original application was submitted by OOS Investments, LLC, which is the parent company of Shout.”
225 ILCS 440/6.03(b): 4 cases
Drury Displays, Inc. v. Brown, 715 N.E.2d 1230 (Ill. App. Ct. 5th Dist. 1999). “State law (225 ILCS 440/6.03(b)) prohibits two advertising signs within 500 feet of each other on the same side of the highway on interstate highways.”
CBS Outdoor, Inc. v. Dep't of Transp., 2012 IL App (1st) 111387, 970 N.E.2d 509. “225 ILCS 440/6.03(b) (West 2008). In IDOT’s July 1, 2010, letter to plaintiff, IDOT stated that it intended to deny plaintiff’s application because Diehl’s permit was within 500 feet of plaintiff’s proposed location.”
Drury Displays, Inc. v. Brown, No. 5-98-0298 (Ill. App. Ct. 5th Dist. Aug. 20, 1999). “State law (225 ILCS 440/6.03(b)) prohibits two advertising signs within 500 feet of each other on the same side of the highway on interstate highways.”
Shout Outdoor Media, LLC v. Dep't of Transp., 2019 IL App (1st) 182522, 141 N.E.3d 7. “” 225 ILCS 440/6.03(b) (West 2016). 1 The original application was submitted by OOS Investments, LLC, which is the parent company of Shout.”
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