Depends on a state. In NYS you're only required to have reflectors on the front, rear and spokes during daylight. Then flashing or steady lights after dark.
Originally Posted by
JanMM
Was this incident confirmed to really have happened? That's a bit hard to swallow, especially for bike cops to be involved.
If you don't have passive reflectors you may be required to run your lights, although most lights act as reflectors too, so without solid confirmation, this is hard to believe. Or maybe the cyclist did something else that got the cop's attention.