Chapter 4: IPDE
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18 terms
Terms | Definitions |
|---|---|
 Open Zone | space where you can drive without a restriction to your line of sight or path of travel |
| Line of Sight | the distance you can see ahead in the direction you are looking. |
| Path of Travel | space your vehicle will occupy as you travel ahead. |
| Target Area | section of roadway where the target is located and the area to the left and right of the target area. |
| Closed zone | Space not open to one because of a restriction in your line of sight or intended path of travel |
| Target area range | space from your vehicle to the target area |
| 12- 15 second range | The range you should hold when driving in hazardous conditions |
| 4-6 second range | The normal range you should hold when driving in fair conditions |
| orderly visual search pattern | a process of searching critical areas in a regular sequence |
| Field of Vision | the area you can see around you while looking straight ahead |
| Central Vision | Cone-Shaped area of up to 10 degrees in your field of vision in which you can see clearly while looking straight ahead |
| PEripheral Vision | area a person can see to the left and tight of central vision |
| "Aim High" in steering | looking ahead 12-15 seconds in the target area |
| ground viewing | making quick glances to the roadway in front of your vehicle |
| traction | friction between tires and the roadway |
| speed cushion | the open area around a vehicle consisting of adequate following distance between it and vehicles ahead and behind, plus swerve paths to left and right |
| minimize a hazard | Reduce the possibility of conflict by putting more space between your vehicle and the hazard |
| compromise space | reduce risk by giving as much space as possible to the greater of two or more hazards |
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