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Chapter 4

Terms

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Open Zone
a space where you can drive without a restriction to your line of sight or to your intended path of travel
Central vision
cone shaped area of up to 10 degrees on your field of vision in which you can see clearly while looking straight ahead
Field of vision
all of the area that is visible to the driver when looking straight ahead
Peripheral vision
area a person can see to the left and right of central vision
Target area range
space from your vehicle to the target area
minimize a hazard
reduce to possibility of conflict by deciding to put more distance between yourself and the hazard.
12-15 second range
area you will be traveling in during the next 12 to 15 minutes, and where you need to identify changes in your path of travel
4-6 second range
are where you will be traveling during the next 4 to 6 seconds, and where you get final update of how you are controlling your intended path of travel
closed zone
space not open to you because of a restriction in your line of sight or intended path of travel.
ground viewing
making quick glances at the roadway in front of your vehicle
Target area
the section of roadway where the target is located in the center of your intended path, and the area to its right and left
traction
friction or gripping power between the tires and the roadway surface
space cushion
Open area around a vehicle consisting of adequate following distance between it and the vehicles ahead and behind, plus swerve paths to left and right.
Line of Sight
distance you can see ahead in the direction you are looking.
Path of Travel
space your vehicle will occupy as you travel ahead.
compromise space
reduce risk by giving as much space as possible to the greater of two or more hazards
"Aim High" in steering
look far ahead of yourself to take in the scene.
orderly visual search pattern
process of searching critical areas in a regular sequence

Deck Info

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