Ill. Admin. Code tit. 92, § 543.600
a) Freeway Panel Design
b) Exit Ramp Panel Design
c) Tourism Attraction Sign Design
1) The tourism attraction signs will be designed by the tourism attraction and supplied to the Department. The signs shall consist of the tourism attraction name, trademark symbol, or combination thereof, providing it does not resemble any traffic sign, signal, or device. The tourism attraction name or trademark must be consistent with that used on other signing for the tourism attraction and must be the primary message on the sign. The tourism attraction signs may also contain supplemental messages relating to the primary tourism attraction, including hours/days of the week the attraction is open. A tourism attraction sign shall not display the symbol/trademark or name of more than one business. If the tourism attraction is open less than four days a week, the days open or closed shall be shown. Messages that are not related to tourism attractions, including, but not limited to, alcoholic beverages, lottery tickets, and vehicle sales will not be allowed as supplemental messages. Supplemental messages must be significantly smaller than the primary tourism attraction name, trademark, or symbol used on the sign. The business sign may also contain one supplemental message identifying that the business is RV-friendly, subject to the following requirements:
2) Any supplemental messages must be an integral part of that tourism attraction sign and not added as stickers or decals after the tourism attraction sign has been installed. Any sign that is tampered with by the tourism attraction by the addition or deletion of supplemental messages or by altering the name, logo, or symbol or any other portion of the message or design subsequent to installation will be removed by the Department. The tourism attraction must then provide a new sign in addition to the $50 per sign reinstallation fee required by Section 543.700(b)(4). Covering over of a message will not be allowed. Signs shall be fabricated on an aluminum base material between .080 and .125 inches thick. High-performance retroreflectorized background sheeting material shall be utilized for the signs. The size of the signs to be installed on freeway panels, exit ramp panels, and trailblazer signs shall be as follows:
| PANEL TYPE | SIGN | |
| WIDTH HEIGHT | ||
| Freeway | 60" | 36" |
| Exit Ramp | 24" | 18" |
| Trailblazer | 24" | 18" |
Business sign lettering, other than that which is part of a logo, shall be a minimum of 8" high on freeway signs and 4" high on ramp and trailblazer signs. Supplemental message lettering shall be a minimum of 5" high on freeway signs and 2.5" high on ramp and trailblazer signs.
(Source: Amended at 35 Ill. Reg. 18932, effective November 26, 2011)