Illinois Driver's Handbook, Section 10: Traffic Signals and Pavement Markings
Steady and flashing lights, arrows, pedestrian and lane signals, pavement markings and railroad crossings.
Summary written by MyPermitExam from the official handbook, 2026. Not a copy of the handbook. Checked Oct 2026. Not affiliated with the DMV. Illinois Rules of the Road (DSD A 112)
Key rules
- A dark signal is an all-way stop; right on red is allowed after stopping unless a sign prohibits it. p. 77
- Flashing yellow arrow: turn after yielding; steady red arrow: wait for green (right turns allowed after stopping). p. 78
- Treat a crossbuck as a yield sign; stop for flashing lights and lowered gates. p. 81