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Highwayman
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Highway near where I live is getting repaved, and the shoulder in some sections is a dark burgundy color. Like the color of spilled wine.

Never seen something like it before. Anyone know what the deal is?








Delta
 

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One customer I was working at had her driveway all blocked off and I asked her if they were coming to blacktop that day. She said "No, they are going to redtop it".
Sure enough they pavement was actually, I wouldn't call red, but more the color of brown/orange. Anybody around central Jersey knows, the color of the shale and clay in the area.
 

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Highway near where I live is getting repaved, and the shoulder in some sections is a dark burgundy color. Like the color of spilled wine.

Never seen something like it before. Anyone know what the deal is?








Delta
It's a Cal Trans thing to delineate shoulders in safety corridors and to mark bike lanes.
 

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Butcher of wood and metal
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I have seen a lot of roads around here that the pavement looks red. lots of time has to due with the color of rock used.
 

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We have one area in our county that has all concrete crosswalks and turn lanes on a 4 mile long, 4 lane divided state/county road in the county (with turn lanes and deceleration/turn lanes) done in a dark red color. They are now doing the reconstruction in our area (continuation) in a similar manner.
 

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Designer/Contractor
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They're doing green for bike lanes here where they approach a merge with cars, looks nice but one wonders how long it will stay green.
 

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Concrete roads, and to a lesser extent asphalt, will take on a hint of the color of the aggregate.
 

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For concrete, the type of pigment (synthetic, natural) has a huge effect on the permanence and especially durability in cold climates with freeze/thaw conditions.

Good green is pricey (usually chrome oxide based). Carbon black has a limited life even if it is cheap, looks good initially in concrete.
 
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