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Author Topic: Los Angeles painting city streets white in bid to combat climate change  (Read 2180 times)

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Online DB

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #25 on: April 11, 2018, 06:26:14 pm »
Quote from: RoosGirl on April 11, 2018, 06:08:55 pm
$40,000/mile?  Can't believe they don't rip all the asphalt roads out and replace them with concrete.  Bunch of pikers.

Many of California's concrete roads are being ripped out and replaced with asphalt. Concrete has major problems long term where the sections join together (expansion joints). With heavy trucks the individual sections tilt causing a very bumpy transition between segments. The concrete has to be ground down to level them out on a regular basis which is expensive.
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Offline 240B

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #26 on: April 11, 2018, 06:31:09 pm »
Quote from: DB on April 11, 2018, 06:26:14 pm
Many of California's concrete roads are being ripped out and replaced with asphalt. Concrete has major problems long term where the sections join together (expansion joints). With heavy trucks the individual sections tilt causing a very bumpy transition between segments. The concrete has to be ground down to level them out on a regular basis which is expensive.

The land in California is generally unstable and moves. Earthquakes, tectonic movement, floods and mudslides. All of this is not conducive to concrete roads due to how brittle and unforgiving they are.
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Offline Frank Cannon

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #27 on: April 11, 2018, 06:43:29 pm »
Quote from: 240B on April 11, 2018, 06:31:09 pm
The land in California is generally unstable and moves. Earthquakes, tectonic movement, floods and mudslides. All of this is not conducive to concrete roads due to how brittle and unforgiving they are.

Que?

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Offline Cyber Liberty

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #28 on: April 11, 2018, 06:47:02 pm »
Quote from: 240B on April 11, 2018, 06:31:09 pm
The land in California is generally unstable and moves. Earthquakes, tectonic movement, floods and mudslides. All of this is not conducive to concrete roads due to how brittle and unforgiving they are.

The land doesn't have to move for concrete to be a problem in the kind of heat LA and Phoenix get.  Concrete is not, as a general rule, very durable because it's so rigid.  The best stuff is the "rubberized" asphalt, containing recycles tires.  Quieter, too.
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Offline IsailedawayfromFR

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #29 on: April 11, 2018, 08:05:48 pm »
Quote from: RoosGirl on April 11, 2018, 06:08:55 pm
$40,000/mile?  Can't believe they don't rip all the asphalt roads out and replace them with concrete.  Bunch of pikers.
I bet buried in the federal budget there are grants to California doing this in the name of 'the environment', so us taxpayers are likely taking it on the chin
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Online Smokin Joe

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #30 on: April 11, 2018, 08:18:47 pm »
Quote from: IsailedawayfromFR on April 11, 2018, 08:05:48 pm
I bet buried in the federal budget there are grants to California doing this in the name of 'the environment', so us taxpayers are likely taking it on the chin
So let's say, for a moment, this works, and it eliminates that hotspot over the towns. If it is really as effective as all that, won't that affect the updraft over town, drawing in fresh air from the outlying areas. Will smog make a comeback? Will air quality decrease?

 :pop41:
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Online DB

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #31 on: April 11, 2018, 08:25:55 pm »
Quote from: Smokin Joe on April 11, 2018, 08:18:47 pm
So let's say, for a moment, this works, and it eliminates that hotspot over the towns. If it is really as effective as all that, won't that affect the updraft over town, drawing in fresh air from the outlying areas. Will smog make a comeback? Will air quality decrease?

 :pop41:

I wonder what self driving cars will do on that...

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Online Smokin Joe

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #32 on: April 11, 2018, 08:28:49 pm »
Quote from: DB on April 11, 2018, 08:25:55 pm
I wonder what self driving cars will do on that...
Abbot and Costello would have had fun....


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How God must weep at humans' folly! Stand fast! God knows what he is doing!
Seventeen Techniques for Truth Suppression

Of all tyrannies, a tyranny sincerely exercised for the good of its victims may be the most oppressive. It would be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated; but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience.

C S Lewis

Online DB

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #33 on: April 11, 2018, 08:32:29 pm »
Give it a year and they'll be paying $100,000 a mile to remove it...
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Offline thackney

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #34 on: April 11, 2018, 08:33:58 pm »
Quote from: DB on April 11, 2018, 08:32:29 pm
Give it a year and they'll be paying $100,000 a mile to remove it...

I figured it would be a never ending work program to clean them.
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Offline NavyCanDo

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #35 on: April 12, 2018, 07:01:30 pm »
So what color will the center lines be, and how will they get passed all the DOT regulations to opt for alternative standards?     
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Offline dfwgator

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #36 on: April 12, 2018, 07:15:04 pm »
Quote from: thackney on April 11, 2018, 08:33:58 pm
I figured it would be a never ending work program to clean them.

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Offline 240B

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #37 on: April 12, 2018, 07:23:18 pm »
Making a right only to wind up on a white road with black stripes would actually be an alternate universe. I would have to pull over for a minute to make sure that I didn't turn into a parking lot, or something. I would have to pull over just to make sure that what I am seeing is real, and to orient myself to it.
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You cannot "COEXIST" with people who want to kill you.
If they kill their own with no conscience, there is nothing to stop them from killing you.
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Offline thackney

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #38 on: April 12, 2018, 07:27:08 pm »
Quote from: 240B on April 12, 2018, 07:23:18 pm
Making a right only to wind up on a white road with black stripes would actually be an alternate universe. I would have to pull over for a minute to make sure that I didn't turn into a parking lot, or something. I would have to pull over just to make sure that what I am seeing is real, and to orient myself to it.

It won't be black stripes.  This is a climate change issue.  Those stripes are going to be green.
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Online Smokin Joe

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #39 on: April 12, 2018, 07:28:52 pm »
Quote from: thackney on April 12, 2018, 07:27:08 pm
It won't be black stripes.  This is a climate change issue.  Those stripes are going to be green.
Nah. Make 'em brown, after the Governor....(and the other 'skidmarks').
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How God must weep at humans' folly! Stand fast! God knows what he is doing!
Seventeen Techniques for Truth Suppression

Of all tyrannies, a tyranny sincerely exercised for the good of its victims may be the most oppressive. It would be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated; but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience.

C S Lewis

Offline Fishrrman

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Re: Los Angeles painting city streets white in bid to combat climate change
« Reply #40 on: April 12, 2018, 10:52:14 pm »
How will all the self-driving cars handle the white streets?

Doesn't an important part of their technology depend on the white lines on the pavement?

How will they work with "white-on-white"?
Or even, yellow-on-white?
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