Section 547.400  Sign Design

a)         The sign shall be a standard 48" wide x 60" tall on freeways and 30" wide x 36" tall on other streets or roads.  It shall contain the words "EXCESSIVE ENGINE BRAKING NOISE PROHIBITED" in black lettering on a retroreflectorized white background and shall carry the Illinois Department of Transportation Sign Standard Number R5-I106.

b)         The sign may be supplemented by a panel mounted underneath with the legend "ON VILLAGE (CITY) STREETS, NEXT 2 MILES, 7 PM-8 AM" or similar wording in black lettering on a retroreflectorized white background specifying the extent and/or time limits of the prohibition.

(Source:  Amended at 34 Ill. Reg. 3036, effective February 19, 2010)