Originally Posted by
Rick
It is done under the law indirectly. Most states say that only emergency and utility vehicles have the right to use flashing lights.
In all states in the U.S., if your bike has:
(1) White Front headlight - Steady.
(2) Red Rear taillight - Steady or Blinking (in many states even a red rear reflector in the place of steady or blinking red light).
You are covered.