For more than 35 years, shotblasting has been used in the industrial flooring market and on America’s roadways and bridges. However, many engineers and federal, state and local Department of Transportation (DOT) personnel have never seen the technology in action. Shotblasting is an alternative to diamond grinding, milling and open air blasting typically used to prepare roadways and bridge decks. Shotblasting has also been used instead of thin asphalt overlays and broadcast systems to increase tire-skid resistance.    What Is Shotblasting?  How Does Shotblasting Work?   Shotblasting systems use a high-performance, airless, centrifugal or perimeter-fed blast wheel. In both types of wheels, kinetic energy charges steel shot by the blades on the rapidly rotating blast wheel, and the steel shot propels at a high velocity…