§ 321.417 — Single-beam road-lighting equipment

Iowa § 321.417

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

Text

Headlamps arranged to provide a single distribution of light not supplemented by auxiliary
driving lamps shall be permitted on motor vehicles manufactured and sold prior to July 1,
1938, in lieu of multiple-beam road-lighting equipment specified in section 321.409 if the
single distribution of light complies with the following requirements and limitations:
1. The headlamps shall be so aimed that when the vehicle is not loaded none of the
high-intensity portion of the light shall at a distance of twenty-five feet ahead project higher
than a level of five inches below the level of the center of the lamp from which it comes,
and in no case higher than forty-two inches above the level on which the vehicle stands at
a distance of seventy-five feet ahead.
2. The intensity of the light shall be sufficient to reveal persons and vehicles at a distance
of at least two hundred feet.

Legislative History

[C24,27,31,35,§5049;C39,§5034.26;C46,50,54,58,62,66,71,73,75,77,79,81,§321.417]