Analysis of Road Accidents

7/29/2019 Analysis of Road Accidents

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ANALYSIS OF ROADACCIDENTS


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Introduction

Road Accidents: when a vehicle collides with anothervehicle, pedestrian, animal, road debris, or otherstationary obstruction, such as a tree or utility pole.

Factors that can contribute to road accidents,

includes vehicle design/make

speed of operation

road design

environment/ daytime

driver skill and/or impairment

age, sex

and driver behaviour etc.


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Data Collection & Pre-

processing

Data Collection: Large data files of Police accidentreports and Transport Accident Commission claimswere obtained

Data Pre-processing:Data Cleaning: to clean the data by filling in

missing values, smoothening noisy data,identifying and removing outliers ex. railaccidents removed

Data Integration: Integrated multiple files - roadaccident details, people involved in the accidentand demographic details

Data Reduction: Only fatality cases considered;


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Data Analysis

Age group of 16-25yrs is mostoften involved in roadaccidents

The number of crashesincreased on weekends

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Data Analysis

No. of accidents do notincrease with the speed of thevehicle

Factors affecting Accident

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Time Series Analysis

No. of accidents increasesduring late evening and latenight

No. of accidents increasesduring mid of the year

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Dependency Network

Drugs and Drinking directly predicts the fatalities


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Dependency Network

Drugs predicts fatalitiesDrinking and drugs predictsInjury severity


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Cluster Analysis

Six different clusters

Variables States

Population

(All) Cluster 1 Cluster 2

Size 61787 26730 14705AGE Mean 57.85 44.57 67.42

AGE

Deviatio

n 22.42 28.57 16.21

CITY

Not

Applicab

le 32905 0.558 0.458

CITY missing 17317 0.273 0.312

CITY 1980 512 0.006 0.013CITY 4170 452 0.005 0.012

CITY 3280 434 0.006 0.008

CITY 1730 372 0.005 0.007

CITY 370 344 0.004 0.008

CITY 1670 314 0.005 0.006


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Conclusion

Texas, California and Florida are the threemost unsafe places

Cluster1 has highest number of accidents

where as cluster 4 has the lowest number ofaccidents

Although drugs and drinking was not a majorfactor of accident on weekdays but the no. ofaccidents involving drinking and drugsincreased during the weekends.

Majority of the accidents occur on the

highways

Documents

Analysis of Road Accidents