Section 321.258 - Arrangement of lights on official traffic-control signals1. Colored lights placed on a vertical official traffic-control signal face shall be arranged from the top to the bottom in the following order when used:b. Steady or flashing left-turn red arrow.c. Steady or flashing right-turn red arrow.f. Straight-through green arrow.g. Steady left-turn yellow arrow.h. Flashing left-turn yellow arrow.i. Left-turn green arrow.j. Steady right-turn yellow arrow.k. Flashing right-turn yellow arrow.l. Right-turn green arrow.2. Colored lights placed on a horizontal official traffic-control signal face shall be arranged from the left to the right in the following order when used: b. Steady or flashing left-turn red arrow.c. Steady or flashing right-turn red arrow.e. Steady left-turn yellow arrow.f. Flashing left-turn yellow arrow.g. Left-turn green arrow.i. Straight-through green arrow.j. Steady right-turn yellow arrow.k. Flashing right-turn yellow arrow.l. Right-turn green arrow. 2014 Acts, ch 1026, § 77; 2014 Acts, ch 1123, §17; 2020 Acts, ch 1063, § 147, 148
Amended by 2020 Iowa, ch 1063, s 148, eff. 7/1/2020.Amended by 2020 Iowa, ch 1063, s 147, eff. 7/1/2020.Amended by 2014 Iowa, ch 1123,s 17, eff. 7/1/2014.Amended by 2014 Iowa, ch 1026, s 77, eff. 7/1/2014.