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Chapter 4: Managing Risk with the IPDE Process
Natalie Tolstychon 4 January 2013
Transcript of Chapter 4: Managing Risk with the IPDE Process
Natalie Tolstych Chapter 4: Making Risk
with the IPDE Process 4.1 The IPDE Process Risk factors can be contributed by the driver, vehicle, roadway and environment The IPDE Process The IPDE Process is an organized system of seeing, thinking, and responding. 4.2 Identify and Predict Zones and Searching Ranges: Identify Continued... Orderly Visual Search Pattern: Risk Identify Driver-contributed risks: adjusting radio,blurred vision, combing hair, drinking while driving and using cell phones. Vehicle risk factors (contributed by owner): bald tires, poorly adjusted brakes, dirty windshield, broken headlight, or worn wiper blades. Roadway & environment risk factors: bright sun, construction, dark shadows, snow and ice or a sharp curve Four Steps: Identify
Execute Using the Smith System and Zone Control System can put you well on the road toward low-risk driving behavior. An open zone is a space where you can drive without a restriction to your line of sight or to your intended path of travel. Your path of travel is directed toward the target area. A closed zone is a pace not open to you because of a restriction in your line of sight or intended path of travel. The target area range is the first searching range, which is the space form your vehicle to the target. The second range is the space you will travel in during the next 12-15 seconds. An orderly visual search pattern is a process of searching critical areas in a regular sequence. Where and How to Look: The area you can see around you, while looking straight ahead is called your field of vision. The area you can see to the lest and right of central vision is your side vision, or peripheral vision. Identify continued... Keep your eyes moving: Develop the art of scanning, glancing continually and quickly with very brief fixations through your orderly visual search pattern. You should aim high in the steering, look ahead 12-15 seconds into your target area as you drive. The big picture is the result of aiming high and keeping your eyes moving. Identify Cont'd: What to Look For Look for Open Zones
Look for Other Users: who might affect your path of travel.
Look for Roadway Features and Conditions: identify intersections, hills, and curves early.
Look for Traffic Controls: can be overhead, in the center, or on a corner. Ground Viewing: making quick glances to the roadway in front of your vehicle. Predict: How to Predict Predicting involves what is happening in your zone, what could happen, and if it does happen how could it affect you. When driving you should learn from other drivers and gain knowledge by gathering information from the study of traffic laws and driver education material. If you are going to make a judgement, it involves measuring, comparing, and evaluating. What to Predict You should predict the actions of others. Path: Where the other driver go? What zone might be closed? Will i have to keep an eye out? Action: What action will the other person take? Is there more than one action? Space: Will i have an open zone? Point Of Conflict: Where might our paths cross and conflict occur? Decide Space cushion: area of space all around your vehicle Minimize a hazard by putting more distance between yourself and the hazard. Separate the hazards: adjust your speed and deal with one hazard at a time. Compromise space by giving as much space as possible to the greater hazard. Execute the important actions you will execute are:
communicate Communicate by using the following:
headlights, taillights, and brake lights
Parking lights and hazard flashers
Eye contact and body movement 4.4 Using the IPDE Process Once you have developed the habit of using the IPDE process, you will:
make accurate predictions and correct decisions
execute maneuvers more successfully Commentary Driving: system of "thinking out loud" as you practice the IPDE Process By making an effort to continually apply the IPDE process, you can achieve low-risk, low-stress driving The IPDE Process