Rule 4501-9-03. Lights to flash

119.03 If more than one light is used, the lights shall not flash alternately from one light to the other, thereby confusing motorists with respect to emergency lights, railroad crossing signals, etc. Last updated October 21, 2025 at 1:34 PM Supplemental Information Authorized By: R.C. 4513.181 Amplifies: R.C. 4513.181 9/1/2030 1/20/1996