Evaluating the Safety ImplicationsEvaluating the Safety Implications& Research Potential of & Research Potential of

““Green Box” Green Box” for Young Driversfor Young Drivers

Driving Assessment, June 2005Driving Assessment, June 2005

Dr. Tsippy Lotan, Or Yarok, IsraelDr. Tsippy Lotan, Or Yarok, IsraelDr. Tomer Toledo, Technion, IsraelDr. Tomer Toledo, Technion, Israel

4 major projects:

• Enforcement through volunteers

• Young Drivers (Green Light for Life)

• Public Motivation

• The Ran Naor Research Foundation

OR YAROK = Green Light

How do we get a driver’s How do we get a driver’s license in Israellicense in Israel??

Age Age 16.5 ----16.5 ----

Theoretical testTheoretical test

At least 28 driving lessons by At least 28 driving lessons by professional instructorsprofessional instructors

Driving testDriving test

At the age of At the age of 1717 a driver a driver license can be obtainedlicense can be obtained

Followed by a 3 months Followed by a 3 months phase of accompanied drivingphase of accompanied driving

Green Light for Life

Rate of involvement in car crashes by ageNumbers per 10,000 driver (2003)

The ProblemThe Problem……

Rate of severe accidents

Rate of fatal accidents

Up to 18 Total

GreenGreen Light for Life Light for Life

FREE

Accompanying researchAccompanying research

focus groups

questionnaires

surveys

What people choose to say ---

feedback forms

What people doWhat people do-- --

monitor drivers’ behaviormonitor drivers’ behavior

establish the relation between drivers’ establish the relation between drivers’ driving profile and safetydriving profile and safety

establish change in drivers’ behaviorestablish change in drivers’ behavior

How does it workHow does it work??

All trips are monitoredAll trips are monitored

• BrakingBraking

• AcceleratingAccelerating

• Break into turnBreak into turn

• Accelerate into Accelerate into turnturn

• Turn while Turn while acceleratingaccelerating

• Turn while Turn while brakingbraking

• TurningTurning

• Accelerate while Accelerate while in turnin turn

• Break while in Break while in turnturn

Personal Driving Profile

Information Specific to Driver BehaviorInformation Specific to Driver Behavior

Cautious, Moderate, and Aggressive Drivers Cautious, Moderate, and Aggressive Drivers as Seen on the Internetas Seen on the Internet

Profile: cautiousAverage of 0-20 maneuvers in 10 driving hours

Profile: moderatemoderateAverage 20-50 maneuvers in 10 driving hours

Profile: aggressiveAverage 50+ maneuvers in 10 driving hours

10

Recurring Trends

Morning rush:

Same car, different driver…

… …that’s what happens when you’re asleepthat’s what happens when you’re asleep

ValidationValidation

Fleet Distribution

Drivers’ classification & SafetyDrivers’ classification & Safety

Number of accidents per year by driver class

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

cautious moderate aggressive

Drivers’ classification & Safety – contDrivers’ classification & Safety – cont..

Accidents cost per year by driver class ($)

0

100

200

300

400

500

600

700

800

900

1000

cautious moderate aggressive

Behavior changeBehavior change

Blind profiling

Meeting announcement

meeting

Event Distribution by Time of Day

Preliminary resultsPreliminary results

Results – cont.Results – cont.

0

0.5

1

1.5

2

2.5

Braking /Accelerating

Turn handling Lane handling Total

Eve

nts

per

ho

ur

Parent Young driver

Based on 2488 trips, 4 pairs (parents & young drivers)

Event correlation between parents and their young driversEvent correlation between parents and their young drivers

Types of events for pairs of parent and child

0.000

0.100

0.200

0.300

0.400

0.500

0.600

0.700

0.800

0.900

parent child

pair 1 pair 2 pair 3 pair 4

Future Research – Experiment DesignFuture Research – Experiment Design

Or YarokOr Yarokwww.oryarok.org.il

DriveDiagnostics (manufacturer) DriveDiagnostics (manufacturer) www.drivediagnostics.com

Participation Participation partiesparties

8 months8 monthsLength of Length of ExperimentExperiment

Participation in the projectParticipation in the projectFeedback typeFeedback type

Controlled Controlled parametersparameters

N= 120 familiesN= 120 familiesN=20 (pilot)N=20 (pilot)

Sample SizeSample Size