Rule 5537-2-19. Traffic-control signals

111.15 All operators of vehicles approaching lane-use control signals exhibiting colored lights shall comply with the lighted signals indicating the following: (A) Steady downward green arrow - indicates that the traffic lane over which the lighted signal is displayed is open to traffic. (B) Steady red "X" - indicates that the traffic lane over which the lighted signal is displayed is closed to traffic. (C) Flashing amber light - indicates that all traffic shall reduce speed and proceed with caution and in compliance with all supplemental and related traffic signs. Last updated September 1, 2023 at 9:04 AM Supplemental Information Authorized By: 5537.16 Amplifies: 5537.16 4/30/2023 3/3/2001