Yesterday on the road I came up behind one of those recliner bicycles. There were trees along the side of the road, it was about five in the afternoon, and so the cyclist was in shadow. But he had a red flashing light on the back of his bike that really got my attention.
I saw something similar once before. On the River Road, at a bend where I could see about a mile ahead, there was an oncoming bicycle. But all I could see of it was its flashing strobe light. It was a very powerful effect.
As to whether it is legal in any or all states, that’s probably in this link below.…