Painted Road Lines

What are the things that puzzle, enrage, delight and tickle you as you go about your life in Madison?
Jademan7
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Painted Road Lines

Postby Jademan7 » Thu Oct 13, 2011 10:44 am

With all of the re-paving and painting of road lines going on. Why doesn't Madison use a paint that can be seen when it's raining.

barney
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Re: Painted Road Lines

Postby barney » Thu Oct 13, 2011 11:06 am

Wait, do I know you? My mate has been saying this for years. Every. Time. It. Rains. (Yes, it drives me a little batty.)

fennel
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Re: Painted Road Lines

Postby fennel » Thu Oct 13, 2011 7:04 pm

Jademan7 wrote:With all of the re-paving and painting of road lines going on. Why doesn't Madison use a paint that can be seen when it's raining.
I expect it's for the same reason they only make crosswalks identifiable with zebra stripes for a small number of crosswalks. It's a shortcut.

snoqueen
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Re: Painted Road Lines

Postby snoqueen » Thu Oct 13, 2011 8:07 pm

I agree about some of the stripes not being sufficiently visible.

On Willy St I noticed they were putting down the deluxe ones, which have a layer of reflective ground glass dust (so I am told) to make them show up at night. I don't know how well that works in the rain but right now they're brand new, so the next rainy night we'll find out.

WestSideYuppie
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Re: Painted Road Lines

Postby WestSideYuppie » Sat Oct 15, 2011 7:51 pm

AFAIK the reflective paint works thanks to a mismatch between the refractive index of air, and of little glass beads adhered to the paint. Water spoils that mismatch.

It's definitely an issue.

If I could think of a better way, I'd be rich.

Jademan7
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Re: Painted Road Lines

Postby Jademan7 » Sun Oct 16, 2011 1:39 pm

It seems plenty of other cities, towns, and villages have figured it out, just not us.


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