Naperville Bicycle Laws

Naperville basically adopts the laws applicable to bicyclists in the Illinois Motor Vehicle Code.

11-4-3: LIMITATIONS; BICYCLES, SKATEBOARDS, ROLLER SKATES AND IN-LINE SKATES:

1.The rules for riding and operating bicycles shall be as set forth in provisions of the Illinois Vehicle Code pertaining to bicycles adopted by reference by Section 11-1-1 of this Code unless otherwise provided herein.

2.No bicycles shall be operated upon any sidewalk in the Central Business District or shopping center within the City. (Ord. 94-166, 9-6-1994)

See my source here.