Name
Chapter 5 Guided Notes:
Managing Risk with the IPDE Process
5.1 The IPDE Process
Risk factors are anything that increases the possibility of a .
who take unnecessary chances can increase your level of risk and chance of conflict.
Conditions that can contribute to the possibility of a crash include vehicles with:
• .
• .
• .
• .
Roadway- and Environment-Contributed Factors
Conditions such as , , and
contribute to driving risk.
Road construction, a in the road, or and
also create risk for drivers.
To process information properly, you must
• .
• .
• .
• .
5.2 Identify and Predict
First step is . You must know to look, to
look, to look, and to look for.
Zone Locations
Searching Ranges:
Target-area range-
Other Notes:
An is a process of searching critical areas in a regular sequence.
For an pattern, you should:
1. Look ahead to your .
2. Evaluate your zones and search for possible and
path of travel.
3. Glance in the .
4. Evaluate your .
5. Look ahead again to evaluate another .
6. Check your .
7. Glance in the .
8. Check your and .
There are many restrictions to your line of sight such as:
• .
• .
• large vehicles
• weather conditions
• .
• dirty windshields
Explain the art of scanning:
Selective seeing means that you identify and select only those clues and events that:
1. .
2. .
List items to search for in a city:
List things to search for on open highways:
. is making quick glances to the roadway in front of your vehicle.
Good scanning habits will help you identify sudden actions or conflicts such as:
• .
• .
• .
• .
• shopping center entrances and exits
• roadside stands and restaurants
Be aware and search for other drivers who can appear from .
PREIDCT
When you , you take the information you have identified and
.
Three major elements in the traffic scene that you must make predictions about are:
• the actions of other
• your control of
• the consequences of
Predicting other’s actions
• Where might the
other driver go?
• What action will other
users take?
• Will I have an open
zone?
• If all zones are closed,
where might a conflict occur?
Knowledge:
Judgment:
Experience:
5.3 Decide and Execute
To a decision means that you that you have
decided to do.
You can decide to maintain your , , brake, or .
Define Space Cushion:
Lane Position Notes:
You can decide to communicate with others by:
• using
•
• vehicle position
•
• body movement
Minimize a Hazard:
Compromise Space:
Execute
The important actions you will are
•
•
•
Locked brakes make steering impossible because .
Steering too much:
Steering too little:
Communicate by using the following:
• headlights, taillights, and brake lights
•
• parking lights and hazard flashers
•
•
•
• eye contact and body movement
5.4 Using the IPDE Process
Use the four steps of the IPDE Process in order.
• Identify the .
• Predict how they might affect .
• Decide .
• Then, .
IPDE takes time to put into action.
• You must have time to identify and .
• You must have time to of others.
• The more the traffic situation, the it takes to carry
out the IPDE Process.
