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Why does asphalt turn white during extremely cold temperatures?
Wiki User
∙ 12y ago
In most regions where extreme cold occurs in the winter months it is salt residue on the pavement that turns it white. You will notice that when it is wet it darkens again. In Florida, however, the sun actually bleaches the asphalt out to white with age to the point where white paving stripes must be outlined in black to be visible.
Wiki User
∙ 12y ago
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