AnalysisofMotorcyclistSafetyDatainTexasEvaM.Shipp,PhD

AmberB.Trueblood,DrPH,MPHCrashAnalyticsTeam

CenterforTransportationSafety

Today’sobjectives

• ProjectOverview

• Data

• Questions

Projectgoal

Understandcrashcomplexity

Prioritizepointsforintervention

Preventdeath&injury

OurprojectCrashdatabase Detailedanalyses

Crashdatabase

• 2010– 2015• Allcrashes(allseverities)• Othersources– Registrationdata– VINdata(enginesize)– License/trainingdata(DPS)– Roadwaystructure(GEOHINI,RHiNo)

Statisticalanalysis

– HurtReport– Beyondtraditionalcrashanalyses

– VMT

Selectedfindings

Crashseverity,2015Fatal6%

Incapacitating22%

Nonincapacitating37%

Possible21%

Noinjury14%

About8,000crashesperyear

Crashes:motorcyclevsothers

Crashes2010-2015

VMT:Howmuchareridersriding?

<1%TexasVMT-

14%offatalities

Travelsurveys Population

data License&trainingdata

Rates:Motorcyclesvsothers

Rates:Motorcyclesvsothers

.3

VMTbyage

Riders

Motorcycletrips75-80%ofallmotorcycleVMTis50milesorlessperrider

Rural

0%

5%

10%

15%

20%

25%

30%

35%

40%

Urban Rural

Fatalorincapacitatinginjuries

30%ofcrashesarerural

Impairedcrashes

0%

10%

20%

30%

40%

50%

FatalCrashes PDO

PercentImpairedMotorcycleCrashes

Impairedriders

0%10%20%30%40%50%60%70%

Impairedriders Unimpaired

Fatalorincapacitatinginjury

Impairment&helmetuse

Helmetuse&injuryseverity

0%

10%

20%

30%

40%

50%

60%

Fatalities PDO

Lackofhelmetuse

Speed

Motorcyclecrashtype

SVROR50%

65%Overturned

24%Hitfixedobject

Motorcyclecrashtype

25%FTYROW-Left

MEndorsement

40%NoMendorsement

ComparisonwithHurtReport

MotorcycleAccident CauseFactorsandIdentification ofCountermeasures, Volume1:Technical Report, Hurt, H.H.,Ouellet,J.V.andThom,D.R., TrafficSafetyCenter, UniversityofSouthernCalifornia, LosAngeles, California 90007,Contract No.DOTHS-5-01160,January1981(FinalReport).

References&Resources