Chapter 5
Managing Risk
with the IPDE Process
• Start working on the 6 questions on P. 103
• Chapter 4 Answers:
• 1.c,2.d,3.b,4.b,5.a,6.d,7.a
Chapter 5: Managing Risk
with the IPDE Process
OBJECTIVES:
The IPDE Process
Identify and Predict
Decide and Execute
Using the IPDE Process
I.P.D.E. PROCESS
• ORGANIZED SYSTEM OF SEEING,
THINKING & RESPONDING.
The IPDE Process
• DRIVING Risk Factors
• Driver-contributed
factors
–
–
–
–
–
–
Adjusting radio
Being angry
Having blurred vision
Combing hair
Drinking while driving
Using a cell phone
• Maintenance & repair
factors
–
–
–
–
–
Bald tires
Poorly adjusted brakes
Dirty windshield
Broken headlight
Worn wiper blades
• Roadway & environment
factors
–
–
–
–
–
Bright sun
Construction
Dark shadows
Snow & ice
Sharp curve
IDENTIFY
• USE VISUAL
SEARCH PATTERN
TO IDENTIFY:
• OPEN AND CLOSE
ZONES
• SPECIFIC CLUES
• OTHER USERS
• ROADWAY
FEATURES AND
CONDITIONS
• TRAFFIC
CONTROLS
The IPDE Process
• Make sure your condition or the condition of
your vehicle does not raise the level of risk
• Do not take chances with your vehicle
• Potential for suffering and loss is too great
• Do not develop risk-taking habits
• Make every effort to develop low-risk driving
behaviors
• Become a safe driver
CLOSED ZONE
• SPACE NOT OPEN TO YOU (EX. RED
LIGHT, PARKED VEHICLE.
• DO NOT STARE
PREDICT
• USE KNOWLEDGE, JUDGEMENT AND
EXPERIENCE TO PREDICT:
•
•
•
•
ACTION OTHER USERS
SPEED
DIRECTION
CONTROL
DECIDE
• DECIDE TO MAKE
ONE OR MORE
ACTIONS TO:
• CHANGE OR
MAINTAIN SPEED
• CHANGE
DIRECTION
• COMMUNICATE
EXECUTE
• EXECUTE YOUR DECISIONS TO:
•
•
•
•
CONTROL SPEED
STEER
COMMUNICATE
COMBINE ACTIONS
Why you don't swerve for
animals; ducks cause 4-car
injury collision
SMITH SYSTEM
•
•
•
•
•
AIM HIGH IN STEERING
KEEP YOUR EYES MOVING
GET THE BIG PICTURE
MAKE SURE OTHERS SEE YOU
LEAVE YOURSELF AN OUT
ZONE CONTROL SYSTEM
• SIX ZONES OF
SPACE
SURROUNDING
YOUR VEHICLE
• ZONES ARE THE
WIDTH OF A LANE
• EXTENDS AS FAR
AS THE DRIVER
CAN SEE
• OPEN ZONE = NO
RESTRICTION IN
YOUR LINE OF
SIGHT
Identify & Predict
• Look for Traffic Controls
– Learn to look in different places for
traffic controls
– At major intersections controls could
be:
• Overhead
• In the center
• On a corner