§ 321.317 — Signals by hand and arm or signal device

Iowa § 321.317

• Jurisdiction: Iowa
• Title VIII: TRANSPORTATION
• Ch. 321: MOTOR VEHICLES AND LAW OF THE ROAD

Text

1. The signals required under the provisions of this chapter may be given either by means
ofthehandandarmasprovidedinsection321.318,orbyamechanicalorelectricaldirectional
signal device or light conforming to the provisions of this chapter.
2. Directional signal devices shall be designed with a white, yellow or amber lamp or
lampstobedisplayedonthefrontofvehiclesandwithalamporlampsofred,yelloworamber
to be displayed on the rear of vehicles. Such devices shall be capable of clearly indicating
any intention to turn either to the right or to the left and shall be visible and understandable
during both daylight and darkness from a distance of at least one hundred feet from the front
and rear of a vehicle equipped therewith.
3. It is unlawful for any person to sell or offer for sale or operate on the highways of
the state any vehicle subject to registration under the provisions of this chapter which has
never been registered in this or any other state prior to January 1, 1954, unless the vehicle
is equipped with a directional signal device of a type in compliance with the provisions of
subsection 2. Motorcycles, motorized bicycles, and semitrailers and trailers less than forty
inches in width are exempt from the provisions of this section.
4. When a vehicle is equipped with a directional signal device, such device shall at all
times be maintained in good working condition. No directional signal device shall project a
glaring or dazzling light. All directional signal devices shall be self-illuminated when in use
while other lamps on the vehicle are lighted.
5. Whenever any vehicle or combination of vehicles is disabled or for other reason
may present a vehicular traffic hazard requiring unusual care in approaching, overtaking
or passing, the operator then may display on the vehicle or combination of vehicles four
directional signals of a type complying with the provisions of this section relating to
directional signal devices in simultaneous operation.

Legislative History

[S13, §1571-m18; C24, 27, 31, 35, §5032; C39, §5025.07; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.317]