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Re:A Fighter Pilot’s Guide to Surviving on the Roads (2012) ... by tomjen3 on Sunday September 04, 2016 @03:56AM (#12423311)
As a driver no to the last part. Car lights have to light up the road so that we can see things, and at quite a distance too because cars moves fast.

Bicycle lights exists to be visible and draw attention so I don't kill you (last thing I want). That said, blinking lights means I can't guess your speed or whether there is more than one bike. Both matters.

Re:A Fighter Pilot’s Guide to Surviving on the Roads (2012) ... by kazinator on Sunday September 04, 2016 @12:07PM (#12425053)
If you wild-assedly guess the speed of a bike somewhere between 0-30 mph, you're probably right, unless it's a serious downhill situation.

Drivers don't need super accurate estimates of bicycle speed; the speed is generally "low, but perhaps faster than you might think, so pad your estimate".

Re:A Fighter Pilot’s Guide to Surviving on the Roads (2012) ... by tbihl on Sunday September 04, 2016 @08:09AM (#12423928)
As an extension of that thought, just for fun, the lights on boats follow the pattern for bikes of being seen, not improving your ability to see. If you go out onto a lake in a remote place without a good flashlight, this fact quickly becomes uncomfortable.