Executive Protection And Secure Transportation Podcast

The topic of this week's episode is Decision Sight Distance or DSD for short. Decision Sight Distance plays an essential role for those that provide secure transportation. But understanding DSD is vital for anyone who drives an automobile. As a quick refresher for those unfamiliar with DSD, the Decision Sight Distance definition is the length of road surface drivers can see and have an acceptable reaction time. In the US, the organization that is responsible for designing our highways, the American Association of State Highway and Transportation Officials (AASHTO), have guidelines concerning "line of sight," and from those guidelines developed the all-important Decision Sight Distance (DSD) AASHTO defines DSD as the distance needed to recognize a problem and complete a maneuver safely and efficiently. And according to the scientists who have done an enormous amount of research on driver reaction time, the "average" driver needs 2.5 seconds to complete the "recognize a problem" part of the DSD. We have discuss