Originally Posted by
JohnBrooking
Headlights maybe are not as crucial, assuming you are riding on the correct side of the road, but good ones can still be had for < $100. Compare to the cost of a car, and how much you value your life.
Reflective clothing and tape also helps, on both you and your gear.
Hmmm, I would say that it depends. In urban environments, a good front blinky is important to distinguish the cyclist from auto headlights. In my case, I use a solid helmet light and a bar mounted blinky. Or is your statement in reference to redundancy?