
123
Chapter 6
Road Safety
Nobuhiro Uno, Yasunobu Oshima,
and Russell G. Thompson
CONTENTS
6.1 Introduction to Road Safety 124
6.1.1 The Trafc System 124
6.1.1.1 Human 125
6.1.1.2 Vehicle 125
6.1.1.3 Road 125
6.1.2 Crash Statistics 126
6.1.3 Data Sources 127
6.1.3.1 Exposure 127
6.2 Hazardous Road Locations (HRLs) 128
6.2.1 Identication of Hazardous Road Locations 128
6.2.2 HRL Programs 129
6.2.3 Diagnosis of Road Crash Problems 129
6.2.3.1 In-Ofce Analysis 129
6.2.4 Prevention of Road Crashes 130
6.2.4.1 Implementation 130
6.2.4.2 Road Crash Costs 130
6.2.5 Evaluation of Effectiveness 130
6.2.6 Design of Evaluation Studies 131