Pavements

A large red tractor with large, dual rear wheels is shown pulling a green manure tanker along a paved road.
Implements of husbandry (IoH), have grown bigger and heavier, but state road practices have not kept pace. The authors present ...

Lev Khazanovich and Amir N. Hanna

White pickup truck labeled 'WATER' sprays water onto the surface of a Utah highway with tiger-stripe lane markings. Behind that truck, another white utility vehicle equipped with a retroreflectometer gauges the reflectivity of the wet lane markings.
Utah Department of Transportation is enhancing its data-collection process to ensure that lane markings are easier to see in all ...
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