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Driving a car

Losingcontrol over

the car

Driver loss of

attention (due tophone,

controlling radio,

fatigue, eating

etc.)

Intoxicated

driving

Blowout (tire)

Unexpectedmanoeuvre from

nearby car

Slippery road

conditions

Uneven road

surface

Poor visibility

(external)

Crash into other

car ormotionless

object resulting

in injury

Crash into deepwater resulting

in confined

space

Hitting a

pedestrian/cycli

st

Vehicle roll-over

The Hazard is the potentially

dangerous aspect in your organi-

sation

Unwanted scenarios

BowTies give you an overview

o all the scenarios that you do

not want to happen, centered

around the Top Event

These are Threats, they

cause the central Top Event

These are Consequences, they

are the diferent scenarios that

can result rom the Top Event

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Driving a car

Losingcontrol over

the car

Regular driving

breaks

Limit mobile phone

use in car

Driver loss of

attention (due tophone,

controlling radio,fatigue, eating

etc.)

Provide hands free

set

Driver needs tocommunicate

urgently

Agreeing on a

designated driver

Breath alcoholignition interlock

device

Periodic medical

examination forprofessional

drivers

Intoxicated

driving

Defensive drivingTyre integrity

system

Blowout (tire)

ABSDefensive drivingAdjust car mirrors

Unexpectedmanoeuvre from

nearby car

ABSListen to weather

report and adjust

driving scheduleaccordingly

Slippery road

conditions

ABSPre-journey

planning

Uneven roadsurface

Defensive drivingCar lights are

turned on

Poor visibility

(external)

Head rest adjusted

to appropriate

height

Wearing a seatbelt Crumple zone Airbag

Crash into othercar or

motionlessobject resulting

in injury

Forgetting/refus

ing to wearseatbelt

Competence inconfined space

rescue

Crash into deepwater resulting

in confined

space

Impact knocksdriver

unconscious

External airbag

Hitting apedestrian/cycli

st

Roll-over

protection

Vehicle roll-over

Controlling those scenariosControls can be proactive, prevent-

ing or stopping a scenario beore it

develops into an uncontrolled state

Controls can also be reactive. They

get you back to a controlled situa-

tion once control is lost.

Escalation ac-

tors weaken

the integrity o

a Control

EscalationFactor Controls

control Escala-

tion Factors

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