2015 Iowa Code
TITLE VIII - TRANSPORTATION
SUBTITLE 2 - VEHICLES
CHAPTER 321 - MOTOR VEHICLES AND LAW OF THE ROAD
Section 321.258 - Arrangement of lights on official traffic-control signals.


1.  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:

a.  Circular red.

b.  Steady and/or flashing left-turn red arrow.

c.  Steady and/or flashing right-turn red arrow.

d.  Circular yellow.

e.  Circular green.

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:

a.  Circular red.

b.  Steady and/or flashing left-turn red arrow.

c.  Steady and/or flashing right-turn red arrow.

d.  Circular yellow.

e.  Steady left-turn yellow arrow.

f.  Flashing left-turn yellow arrow.

g.  Left-turn green arrow.

h.  Circular green.

i.  Straight-through green arrow.

j.  Steady right-turn yellow arrow.

k.  Flashing right-turn yellow arrow.

l.  Right-turn green arrow.
[C79, 81, §321.258]

2014 Acts, ch 1026, §77, 2014 Acts, ch 1123, §17
See Code editor’s note at the end of Vol VISection amended

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