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AJHS DE chap 5
AJHS DE Chap 5
| Term | Definition |
|---|---|
| closed zone | space not open to you because of a restriction in your line of sight or intended path of travel |
| identify | first step in the IPDE Process, in which the driver locates potential hazards |
| 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 |
| compromise space | reduce risk by giving as much space as possible to the greater of two or more hazards |
| field of vision | all the area a person can see while looking straight ahead |
| line of sight | distance you can see ahead in the direction you are looking |
| depth perception | ability to judge distance between yourself and other objects |
| maneuver | a driving action |
| zone | one of six areas of space around a vehicle that is the width of a lane and extends as far as the driver can see |
| orderly visual search pattern | process of searching critical areas in a regular sequence |
| predict | second step of the IPDE Process, in which the driver anticipates possible conflicts |
| 4-6 second range | area where you will be traveling during the next 4 to 6 seconds, and where you get the final update of how you are controlling your intended path of travel |
| risk factor | anything that can increase the possibility of a collision |
| minimize a hazard | reduce the possibility of conflict by putting more space between your vehicle and the hazard |
| target area range | space from your vehicle to the target area |
| 12-15 second range | area you will be traveling in during the next 12 to 15 seconds, and where you need to identify changes in your path of travel |
| execute | fourth step of the IPDE Process, in which a driver performs proper vehicle control responses to avoid possible conflict |
| ground viewing | making quick glances to the roadway in front of your vehicle |
| open zone | space where you can drive without a restriction to your line of sight or intended path of travel |
| scanning | glancing continually and quickly with very brief eye fixations through your orderly visual search pattern |
| target area | section of the roadway where the target is located and the area to the left and right of the target |