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AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
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jan 1, 1980 - Superpave

Description:

A higher grade asphalt that holds less water and can be made for specific conditions is introduced

Added to timeline:

1 Oct 2017
0
0
140
Highways

Date:

jan 1, 1980
Now
~ 38 years ago
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