ASTM E3320-21 82 PDF Download

1.1”This test method covers measurement of the retroreflective properties of horizontal pavement marking materials containing retroreflecting optics, such as traffic stripes and surface symbols, using a mobile retroreflectometer unit that can be operated at traffic speed, mounted on a vehicle to measure the retroreflection at a prescribed geometry.

Product Details

Published:

10/01/2021

Number of Pages:

6

File Size:

1 file , 140 KB

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