IPDE Driver's Ed Test

Place to go in case of possible conflict

Escape Path

Process of searching critical area in a regular sequence

orderly visual search pattern

Six areas of space around the vehicle

zones

The pace your vehicle will occupy

path of travel

A space where you can drive free of restrictions to your line of sight or path of travel

open zone

Are of space around the vehicle that is free of restrictions, hazards, and conflicts when you use it

space cushion

All of the area that is visible to the driver when looking straigh ahead

field of vision

A space not open because of restrictions in your line of sight or path of travel

closed zone

Give as much space as possible to the greater hazard

compromise space

Reducing the risk by putting more distance between yourself and the hazard

minimize a hazard

The gripping power between the tire and the road surface

traction

Selecting and identifying only those clues for restrictions, hazards, or conflicts that are important to your driving task

selective seeing

Area far ahead in your path of travel and the area to the left and right

target area

The recommended searching area for identifying changes in you line of sight and path of travel

12 - 15 second range

The part of a field of vision surrounding the central vision

peripheral vision

The searching range where you need to get the final update of how you are controlling your intended path of travel

4 - 6 second range

When the driver follows the process of an orderly visual search pattern

scanning

Adjusting your speed in order to handle one hazard at a time

seperate hazards

That part of a field of vision where you can see clearly and sharply

central vision

The distance you can see ahead in the direction you are looking

line of sight

A vehicle may come over the crest of the hill into your lane.

Predict

There is a stop sign ahead

Identify

There is a restriction to you line of fight and path of travel

Identify

You apply the foot brake, slow and move to lane position

Execute

A vehicle crosses the center line and comes into your lane… you can slow, move to the right, honk your horn, flash your light and/or a combination of these options to avoid a collision.

Decide

IDENTIFY (look for)

Closed or Open Zone

Line-Of-Sight Restrictions

Traffic Controls

Other Roadway Users

Roadway Features and Conditions

Path-Of-Travel Restrictions

PREDICT (risk of possible consequences)

Actions of other roadway users

Control of your vehicle

Consequences of your vehicle

DECIDE (avoid conflict)

Change speed

Change direction

Communicate with others

EXECUTE (reduce conflict options)

Accelerating

Braking

Steering

Signaling