… the ground so that they do not catch on a vehicle passing over them. At the same time, … is too short, the barrier will not stop a vehicle before it drops off the slope. All the … in Arizona, Arizona State Board of Technical Registration, shall also be followed. …

… work temporarily during high winds ● Reduce vehicle speeds and number of trips ● Maintain … devices, and has removed all equipment and vehicles that were used during construction ● … and the Arizona State Board of Technical Registration do not recognize out-of-state …