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321.423 Flashing lights. 1. Definitions. As used in this
A flashing white light, including a flashing headlamp, is permitted on a vehicle pursuant Iowa Code 2025, Section 321.423 (48, 2).
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AMERICAN NATIONAL STANDARD - CrashStats - NHTSA
It extends from the first warning sign, signal or flashing lights to the END ROAD WORK sign or the last traffic control device pertinent for that work activity.
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Iowa Code r. 641-133.1 - Definitions | State Regulations | US Law
Authorization certificate means a permit issued to an emergency medical care provider that authorizes the use of a white flashing light. Authorized vehicles
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