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