Question Answer
options potential choices
comparisons finding similarities and differences
assumptions events you think or assume will happen
choice a selection between two or more options
human-perception time total time needed for a human being to determine his or her options
vehicle-reaction time time it takes for a vehicle to respond
visual lead distance you can see ahead of your vehicle
visual control zone where you identify objects that may require a response or continuous attention
response zone immediate risk to your vehicle
following interval safe amount of time you should follow or be followed
potential immediate crash zone area directly in front and to the rear of your vehicle that will likely cause your crash
margins of safety areas of roadway large enough to allow you the space time and visibility you need for safe movement
space margins adequate amount of space
space cushion a safe space margin
drivers ed chapter 8

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