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Chapter 4 IPDE Objectives: 4.1
Name 3 major factors that can contribute to the degree of risk you encounter while driving. Name the 4 steps of the IPDE Process. List the 5 rules of the Smith System. 4.2 Explain the structure of the Zone Control System. Describe an orderly visual search pattern. 4.3 Name 3 decisions you must make when applying the IPDE Process. Describe 3 different lane positions available to you within your lane. Explain what is meant when you minimize or separate a hazard or compromise space. List 3 important actions you can take to avoid conflict.
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3 Major Risk Factors Risk factors can be contributed by: The driver
2. The roadway & environment 3. The vehicle Examples: adjusting radio, being angry, using cell phone, texting Examples: bright sun, construction, snow & ice, curve Examples: bald tires, dirty windshield, poor brakes
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IPDE Identify Predict Decide Execute Practice with note cards
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Lets talk about the IPDE process
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EXAMPLE
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Smith System- gives you rules to help you learn how to look at traffic situations
Aim high in steering Get the big picture Keep your eyes moving Leave yourself an “out” Make sure others see you.
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Zone Control System Open books to page 65
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How are you going to look, search or IDENTIFY?
# 1 Orderly visual search pattern- a process of searching critical areas in a regular sequence
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look, search or IDENTIFY?
How are you going to look, search or IDENTIFY? # 2 Clues –look for: 1. other users - ex: movement of others, pedestrians or bicyclists, develop habit of ground viewing 2. roadway features and conditions – ex: multilane to single lane, roadway surface, road hazards 3. traffic controls– ex: signs, traffic signals, police officers
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Predict IPDE Actions of others
Control of your vehicle and possible consequences
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Decide IPDE It is a mental task Very important
Examples: maintain speed, change direction, communicate to others, or a combination of these Note lane positions on page 76
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Execute IPDE Carrying out a decision to avoid conflict
Actions to execute include: controlling speed, steering, and communication
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To help maintain safe path use the following techniques
Minimize a hazard Put more distance between yourself & the hazard Separate Hazards Adjust speed to deal with one hazard at a time Compromise Space Give as much space as possible to the greater hazard
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Many crashes can be avoided if a driver simply ????
Communicates!!!!
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How can you communicate while driving…
Headlights Taillights Brake lights Turn signals Hazard flashers Back-up lights Horn Vehicle position Eye contact & body movement Combination of actions
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