July, 2003 the Thesis Titled Characteristics of Accidents on Selected Arterials of Metropolitan Dhaka Submitted by Md
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CHARACTERISTICS OF ACCIDENTS ON SELECTED ARTERIALS OF METROPOLITAN DHAKA by Md. Raufuzzaman A project thesis submitted in partial fulfillment of the requirements for the degree of MASTER OF ENGINEERING (CIVIL) , I I I I 1111/1111l1li111111111111111/11111 I I .#99052# DEPARTMENT OF CIVIL ENGINEERING BANGLADESH UNIVERSITY OF ENGINEERING AND TECHNOLOGY, DHAKA. July, 2003 The thesis titled Characteristics Of Accidents On Selected Arterials Of Metropolitan Dhaka submitted by Md. Raufuzzaman, Roll No. 100004421 (F), Session:October'2000 has been accepted as satisfactory in partial fulfillment of the requirements for the degree of Master of Engineering (Civil) on 09 July, 2003. BOARD OF EXAMINERS Chairman Dr. Tanweer Hasan (Supervisor) Associate Professor Department of Civil Engineering BUET, Dhaka - 1000. Member Dr. Hasib Mohammed Ahsan Professor Department of Civil Engineering BUET, Dhaka - 1000. ¥:L~ Member Syed Noor-ud-Deen Ahmed Associate Professor Department of Civil Engineering BUET, Dhaka - 1000. 1 .'Or- CADIDA TE'S DECLARATION / I hereby declared as per best of knowledge that the work reported in this book or any part of it has not been submitted elsewhere for the award of any degree or diploma or published elsewhere. (Md. Raufuzzaman) ii TABLE OF CONTENTS Title Page No. TABLE OF CONTENTS iii LIST OF FIGURES Vll ACKNOWLEDGEMENT XI ABSTRACT xii CHAPTER 1 INTRODUCTION 1.1 BACKGROUND 1 1.2 OBJECTIVES OF THE STUDY 2 1.3 SIGNIFICANCE OF THE STUDY 2 104 SCOPE OF THE STUDY 2 1.5 ORGANIZATION OF THE THESIS 3 CHAPTER 2 LITERATURE REVIEW 2.1 INTRODUCTION 4 2.2 THE ROAD TRAFFIC SYSTEM 4 2.3 ROAD TRAFFIC ACCIDENTS 6 2.3.1 Accident Classifications 6 2.3.2 Accident Sub-divisions 6 2.3.3 Accident types 7 2.4 ACCIDENT FACTORS 9 2.4.1 Human Factors 9 2.4.1.1 Dri vers 9 2.4.1.2 Pedestrian 9 2.4.2 Vehicular Factors 10 2.4.3 Environmental Factors 10 2.4.4 Mixed Traffic 10 2.4.5 Road and Roadside Factors 11 2.4.5.1 Luminarie Supports 11 2.4.5.2 Utility pole 11 2.4.5.3 Roadside Sign Supports 11 2.4.5.4 Roadside Objects 12 (continued) iii Title Page No. 2.4.6 Enforcement and Educational Factors 12 2.4.7 Some Major Accident CharacteristicslFactors in Developing Countries 12 2.5 REVIEW OF THE PREVIOUS STUDY ON ROAD ACCIDENTS IN THE DMA. 13 2.6 RIVIEW OF SOME RECENT OVERSEAS STUDIES ON ROAD ACCIDENTS 17 2.7 DEFINITION OF DIFFERENT TERMS 18 2.7.1 Accident 18 2.7.2 Casualty Class 18 2.7.2.1 Fatalities 18 2.7.2.2 Grievious Injury 19 2.7.2.3 Simple Injury 19 2.7.2.4 Collision Only 19 2.7.3 Accident Severity 19 2.7.4 Severity Index 19 2.8 AN OVERVIEW 20 CHAPTER 3 ACCIDENT DATA COLLECTION 3.1 INTRODUCTION 21 3.2 SALIENT FEATURES OF MAAP5 SOFTWARE 21 3.2.1 Implementation ofMAAP in Metropolitan Dhaka 22 3.2.2 Setting up MAAP5 22 3.2.3 Objectives of MAAP 22 3.2.4 Characteristics of MAAP 23 3.2.5 Data Field Created by MAAP5, used in Bangladesh 23 3.2.6 Codes Maintained in the MAAP5 25 3.2.7 Specifications of MAAP5 25 3.2.8 Some useful Paint Shop Pro options to manipulate the screen dump files created by MAAP5 25 3.2.9 Identifying gaps in the MAAP5 accident data 26 3.3 THE STUDY AREA 27 3.4 ROADWAY GEOMETRY OF THE STUDY ARTERIAL SECTIONS 27 (continued) iv Title Page No. 3.5 TRAFFIC COMPOSITION OF THE STUDY ARTERIAL SECTIONS 36 3.6 TRAFFIC CONTROL FEATURES AT INTERSECTIONS OF THE ARTERIALS 36 3.7 ACCIDENT DATA COLLECTION 36 3.8 LIMITATIONS OF THE STUDY 37 CHAPTER 4 ANALYSIS OF ACCIDENT DATA AND RESULTS 4.1 INTRODUCTION 39 4.2 OVERALL ACCIDENT SITUATION IN THE DHAKA METROPOLITAN AREA. 39 4.3 COMPARATIVE ANALYSIS OF SELECTED ARTERIAL ROAD SECTIONS 43 4.3.1 DARUSSALAM - MIRPUR 10 ARTERIAL ROAD SECTION 47 4.3.1.1 Distribution Of Accident By Collision Types 48 . 4.3.1.2 Distribution Of Accident Severities By Age 49 4.3.1.3 Distribution Of Accidents By Modes Used By The Victims 50 4.3.1.4. Distribution Of Accident By Weather Conditions 51 4.3.1.5. Temporal Distribution Of Accidents 53 4.3.2 MOHAKHALI - MOGHBAZAR ARTERIAL ROAD SECTION 55 4.3.2.1 Distribution Of Accident By Collision Types 56 4.3.2.2 Distribution Of Accident Severities By Age 56 4.3.2.3 Distribution Of Accidents By Modes Used By The Victims 58 4.3.2.4 Distribution Of Accident By Weather Conditions 59 4.3.1.5 Temporal Distribution Of Accidents 60 4.3.3 GABTOLI-NILKHET ARTERIAL ROAD SECTION 62 4.3.3.1 Distribution Of Accident By Collision Types 63 4.3.3.2 Distribution Of Accident Severities By Age 63 (continued) v / Title Page No. 4.3.3.3 Distribution Of Accidents By Modes Used By The Victims 65 4.3.3.4 Distribution Of Accident By Weather Conditions 66 4.3.3.5 Temporal Distribution Of Accidents 67 4.3.4 ABDULLAPUR-MOHAKHALI ARTERIAL ROAD SECTION 69 4.3.4.1 Distribution Of Accident By Collision Types 70 4.3.4.2 Distribution Of Accident Severities By Age 71 4.3.4.3 Distribution Of Accidents By Modes Used By The Victims 73 4.3.4.4 Distribution Of Accident By Weather Conditions 74 4.3.4.5 Temporal Distribution Of Accidents 75 4.3.5 PRESSCLUB - MOTIJHEEL ARTERIAL ROAD SECTION 77 4.3.5.1 Distribution Of Accident By Collision Types 77 4.3.5.2 Distribution Of Accident Severities By Age 78 4.3.5.3 Distribution Of Accidents By Modes Used By The Victims 80 4.3.5.4 Distribution Of Accident By Weather Conditions .80 4.3.5.5 Temporal Distribution Of Accidents 82 CHAPTER 5 CONCLUSIONS AND RECOMMENDATIONS 5.1 INTRODUCTION 84 5.2 CHARACTERISTICS OF ACCIDENTS 84 5.3 RECOMMENDATIONS FOR FURTHER RESEARCH 86 REFERENCES 87 APPENDIX 90 vi LIST OF FIGURES Figure Page No. Figure 2.1 - Definitions of Coding Accidents (DCA code) 8 Figure 3.1 - Study area map 28 Figure 3.1(a) - Darussalam-Mirpur 10 arterial road section's area map 29 Figure 3.1(b) - Moghbazar-Mohakhali arterial road section's area map 30 Figure 3.1(c) - Gabtali-Nilkhet arterial road section's area map 31 Figure 3.1(d) - Abdullapur-Mohakhali arterial road section's area map....... 32 Figure 3.1(e) - Pressclub-Motijheel arterial road section's area map 33 Figure 3.2 - Accident data collection form (B. P. 34) 34 Figure 4.1 - Trend of accidents (1996-2001) ofDMA by year 40 Figure 4.2 - Distribution of accidents (1996-2001) by thana ofDMA 40 Figure 4.3 - Trend of accidents (1996-2001) of predominant eight thana of DMA.. 41 Figure 4.4 - Trend of casualties (1996-2001) by year 42 Figure 4.5 - Distribution of casualties (1996-2001) by thana of DMA 42 Figure 4.6 - Trend of casualties (1996-2001) of predominant eight thana 43 Figure 4.7 - Trend of accidents (1966-2001) by severity types on the selected five arterial road secti ons 44 Figure 4.8 - Trend of accidents (1966-2001) by collision types on the selected five arteri al road secti ons 44 Figure 4.9 - Trend of casualties (1966-2001) by casualty age on the selected five arteri al road sections 45 \ Figure 4.10 -Trend of casualties (1966-2001) by modes used by the victims on the selected five arterial road sections 45 Figure 4.11 -Trend of accidents (1966-2001) by weather condition on the selected five arterial road sections 46 Figure 4.12 -Trend of accidents (1966-2001) by days of week on the selected five arterial road sections 47 (continued) VII Figure Page No. Figures for Darussalam-Mirpur 10 arterial road section Figure 4.13 -Trend of four predominant collision type 49 Figure 4.14 - Trend of casualties of major three age groups 50 Figure 4.15 - Trend of pedestrian casualties of major three age groups 50 Figure 4.16 - Trend of casualties of predominant six modes used by the victims 51 Figure 4.17 - Accident trend at different light conditions 52 Figure 4.18 - Trend of accidents at fair condition 52 Figure 4.19 - Trend of accidents by hourly distribution 53 Figure 4.20 - Trend of accidents by daily distribution 54 Figure 4.21 - Trend of accidents by monthly distribution 55 Figures for Mohakhali-Moghbazar arterial road section Figure 4.22 -Trend of four predominant collision type 56 Figure 4.23 - Trend of casualties of major three age groups 57 Figure 4.24 - Trend of pedestrian casualties of major three age groups 58 Figure 4.25 - Trend of casualties of predominant six modes used by the victims 58 Figure 4.26 - Accident trend at different light conditions 59 Figure 4.27 - Trend of accidents at fair condition 60 Figure 4.28 - Trend of accidents by hourly distribution 60 Figure 4.29 - Trend of accidents by daily distribution 61 Figure 4.30 - Trend of accidents by monthly distribution 61 Figures for Gabtali-Nilkhet arterial road section Figure 4.31 -Trend of four predominant collision type 63 Figure 4.32 - Trend of casualties of major three age groups 64 Figure 4.33 - Trend of pedestrian casualties of major three age groups 65 Figure 4.34 - Trend of casualties of predominant six modes used by the victims 66 Figure 4.35 - Accident trend at different light conditions 66 Figure 4.36 - Trend of accidents at fair condition 67 (continued) viii t Figure Page No.