@DennisinPeoria Tires if there 20`s or bigger. Like the Boom only few account they stop people.
@DennisinPeoria

2 separate issues. Grounds to make a stop is a legal standard. Whether or not they make the stop is always at the officers discretion.

A better question. What if you use Rain-X, and it's absolutely pouring but you don't have your wipers on because the rain just rolls off your windshield? Do you need to have your lights on?

@AV8R It is not about the rain on your windshield, it is about seeing and being seen.

I know the intent of the law, I'm just loop-holing the letter of the law. Curious mind.

Icing on the cake? I arrived home in the rain to see my postman driving with no lights.

@AV8R Was wondering say you use rain-x and get pulled over for not having you headlights on is that a valid reason. I was wondering cause people need to see you not you can see its ok.

The law seems ambiguous and poorly crafted. It says "Headlights are required to be on from sunset to sunrise, when wipers are in use, or when visibility is less than 1000 feet." Presumably one of those three conditions need to be met to mandate the use of headlights in Illinois.So okay, if I use Rain-X my wipers may not be in use. Visibility can clearly be well over 1000 feet during a daylight rain storm, even when MOST cars need wipers. So if it's pouring rain, and I can see clearly for at least 1000 feet without the assistance of my wipers, I can legally drive without my headlights it would seem. HOWEVER, if I were to use my windshield washer fluid on a bright, clear sunny day, I would need to turn on my headlights for that brief moment the wipers are in use. Right? I won't delve into the definition of the word "visibility" right now, but suffice it to say it is very subjective and has been litigated to death in the aviation realm, where there are multiple meanings for that one single word.And before people go off, I get the safety aspect of this and I agree with it. I turn on my headlights 24/7 when I'm operating a motor vehicle, weather and time of day be damned. I believe they save lives. That doesn't mean I don't like to find loopholes in poorly crafted laws.

How about this - any water falling from sky or on road turn on headlights. Any fog turn on headlights. When in doubt turn on headlights.This is NOT rocket science.

I knew someone wouldn't understand the intent of my post. Did you make it to the last paragraph?

I think it's a shame that it had to become a law. It's just common sense.

So is a turn signal and you see how that goes.

@AV8R I was just asking. I don't have any problems with Officers doing their job. Some times wish they were a little better at what they do.I have learned to drive with mud caked on my tear off so driving with poor vison is not a problem. I was just asking if you would feel comfortable with a Officer stopping you for choosing to not us your wipers.

I am rarely stopped by the police, even more rarely cited. When I am stopped I am polite and cooperative. Last ticket I got was in 1986

I've probably been stopped ten times in my life. I've only had three tickets. I'm always polite and cooperative.