Originally Posted by
vnx205
All of that is true.
There was certainly no problem with these cyclists being seen. :)
One of my reasons for asking if it was common was that I wondered if there was something about the stretch of road or my own eyesight and judgement that was the main factor.
It is certainly more difficult to judge approach speeds on dead straight road. I believe that is one reason why motorways, freeways or high speed highways tend to be a series of sweeping curves rather than straight stretches.
I agree that bright lights increase the chances of the cyclist being seen, but I also wondered if once the light gets above a certain brightness, an unintended problem arises. I would have had no trouble seeing these lights if they had been a quarter or maybe even a tenth as bright. I still can't get over how bright they were. :)
You may be right about the size being an issue, except that because they were so bright and possibly because of the rapid pulsing, I wasn't conscious of the size. The dazzle effect just seemed to overpower any awareness of size.