On 4/10/2021 10:12 PM, John B. wrote:
On Sat, 10 Apr 2021 19:23:20 -0400, Frank Krygowski
wrote:

On 4/10/2021 6:46 PM, John B. wrote:
On Sat, 10 Apr 2021 16:01:04 -0400, Frank Krygowski
wrote:

On 4/10/2021 2:34 PM, Sir Ridesalot wrote:


I have yet to see a DRL that's visible to me BEFORE the bicycle and bicyclist are. The only time I notice a bicyclist with a headlight or tail-light on during the day is if they are in deep shade or if it's heavy overcast.

The VAST MAJORITY of bicyclists do NOT repeat, do NOT, need a DRL.

Agreed! Also, if cyclists ride more prominently in the lane, they're
even less likely to not be noticed by motorists.

The problem is, when people who buy a DRL get noticed, they say "Oh, he
noticed me because of my DRL" even if they would have been noticed
anyway. Confirmation bias in action.

But I have seen situations where a DRL was noticeable. The other day
we were driving back from Bangkok and because of the holiday traffic
started very early in the morning - sun just peeping over the horizon
- and met a bloke on a bicycle and yes the DRL did make him much more
noticeable.

As I've said, you can sometimes spot a bicyclist farther away because of
a DRL. But I've never observed an incident when the DRL made a
_practical_ difference. A cyclist doesn't need to be seen at the horizon.

I have. Twice. Each time it was cyclist riding the wrong way on the
side of the street. Both times were very early in the morning and if
he had some sort of light I would have seen him further enough away to
have easily avoided him rather then an "OH MY GOD" situation.

In my state, lights are required from sunset to sunrise. That's actually
a bit more strict than the law was a few years ago, when lights were
required from half an hour past sunset to half an hour before sunrise.
(Not that the laws are adequately enforced, mind you.) DRLs are lights
in use outside those times, or outside similar conditions.

If you're talking about "very early in the morning," so early that the
cyclist was not visible, he may well have been in violation of the law.
But that's a separate issue from "DRLs always for safety!"

--
- Frank Krygowski