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COMPARATIVE ANALYSIS OF ROAD SAFETY AT U-TURNS ON 4-LANE DIVIDED HIGHWAYS IN THAILAND

Band 36
BuchGebunden
192 Seiten
Englisch
Rhombos-Verlagerschienen am15.11.2017Schriftenreihe des Bauhaus-Instituts für zukunftsweisende Infrastruktursysteme (b.is) (WVG20), Band: 36
Inder Pal MeelCOMPARATIVE ANALYSIS OF ROAD SAFETY AT U-TURNS ON 4-LANE DIVIDED HIGHWAYS IN THAILANDA thesis submitted in partial fullment of the requirements for the degree ofDoktor-Ingenieur (Dr.-Ing.)EU-Asia Road Safety Centre of Excellence (RoSCoE)Faculty of Civil Engineering, Bauhaus-University, Weimar, GermanyMentor: Prof. Dr.-Ing. Ulrich BrannolteCo-Mentor: Prof. Dr.-Ing. Thomas RichterCo-Mentor: Assoc. Prof. Kunnawee KanitpongVolume 36 of the "Schriftenreihe des Bauhaus-Instituts für zukunftsweisende Infrastruktursysteme (b.is)"18th issues (2017).192 pages. Format B5. Hardcover. Numerous tables and illustrations, many of them colored. Price: 32,00 â¬.ISBN 978-3-944101-45-3, RHOMBOS-VERLAG, Berlin 2017Herausgeber Band 36:Bauhaus Universität WeimarFakultät BauingenieurwesenProfessur VerkehrssystemplanungLeitung:Prof. Dr.-Ing. Uwe Plank-WiedenbeckMarienstr. 13D99423 WeimarTel.: +49 (0) 36 43/58 44 72Fax: +49 (0) 36 43/58 44 75E-Mail: uwe.plank-wiedenbeck[at]uni-weimar.deDie Professur Verkehrssystemplanung ist Mitglied des Bauhaus-Instituts für zukunftsweisende Infrastruktursysteme und befasst sich in Forschung und Lehre mit Planung, Bau und Betrieb von Verkehrsanlagen und -systemen.mehr

Produkt

KlappentextInder Pal MeelCOMPARATIVE ANALYSIS OF ROAD SAFETY AT U-TURNS ON 4-LANE DIVIDED HIGHWAYS IN THAILANDA thesis submitted in partial fullment of the requirements for the degree ofDoktor-Ingenieur (Dr.-Ing.)EU-Asia Road Safety Centre of Excellence (RoSCoE)Faculty of Civil Engineering, Bauhaus-University, Weimar, GermanyMentor: Prof. Dr.-Ing. Ulrich BrannolteCo-Mentor: Prof. Dr.-Ing. Thomas RichterCo-Mentor: Assoc. Prof. Kunnawee KanitpongVolume 36 of the "Schriftenreihe des Bauhaus-Instituts für zukunftsweisende Infrastruktursysteme (b.is)"18th issues (2017).192 pages. Format B5. Hardcover. Numerous tables and illustrations, many of them colored. Price: 32,00 â¬.ISBN 978-3-944101-45-3, RHOMBOS-VERLAG, Berlin 2017Herausgeber Band 36:Bauhaus Universität WeimarFakultät BauingenieurwesenProfessur VerkehrssystemplanungLeitung:Prof. Dr.-Ing. Uwe Plank-WiedenbeckMarienstr. 13D99423 WeimarTel.: +49 (0) 36 43/58 44 72Fax: +49 (0) 36 43/58 44 75E-Mail: uwe.plank-wiedenbeck[at]uni-weimar.deDie Professur Verkehrssystemplanung ist Mitglied des Bauhaus-Instituts für zukunftsweisende Infrastruktursysteme und befasst sich in Forschung und Lehre mit Planung, Bau und Betrieb von Verkehrsanlagen und -systemen.
Details
ISBN/GTIN978-3-944101-45-3
ProduktartBuch
EinbandartGebunden
ErscheinungsortBerlin
ErscheinungslandDeutschland
Erscheinungsjahr2017
Erscheinungsdatum15.11.2017
AuflageSchriftenreihe des Bauhaus-Instituts für zukunftsweisende Infrastruktursysteme (b.is) (WVG20), Band: 36
Seiten192 Seiten
SpracheEnglisch
Gewicht390 g
IllustrationenNumerous tables and illustrations, many of them colored.
Artikel-Nr.44474487

Inhalt/Kritik

Inhaltsverzeichnis
ContentsAcknowledgments iTable of contents iiList of Tables viiList of Figures xGlossary of Terms xi1 Introduction 11.1 General Background 11.2 Function of U-turns on Thai Highways 31.3 Need for the Study - RoSCoE 31.3.1 Road Safety at U-turns 41.4 Road Safety Measurement and Analysis 81.4.1 Crashes Based Safety Analysis 81.4.2 Near-crash Events as an Alternative Approach 91.4.3 Traffic Conflict Technique (TCT) 101.5 Pilot Study: Thai Crash Data Management System 111.6 Research Objectives 111.7 Scope of Study 121.8 The State of Science 131.9 Outline of the Thesis 141.10 Research Approach and Design 152 Literature Review 162.1 General 162.2 Road Safety and Socio-economic Costs 162.3 Safety at Thai U-turns 172.4 Layout Designs of U-turn and Road Safety 182.4.1 Spacing of Median Openings 182.4.2 Classification of U-turns, their Advantages and Disadvantages . 182.4.3 Median Acceleration Lanes 232.4.4 Loons or Outer-widening 242.5 Road Safety Measurement Using Historical Crash Data 242.5.1 Road Safety Analysis and Crash Costing 242.5.2 Limitation of Using Historical Crash Data 272.6 Traffic Crash Data: Availability, Quality and Reliability 282.7 Surrogate Safety Measures 312.7.1 Traffic Conflict Techniques (TCT) as an Alternative Approach . 322.7.2 Traffic Event Hierarchy 35 2.7.3 Validity and Reliability of TCT 362.8 Traffic Conflict Indicators and Severity Measurement 382.8.1 Time to Accident / Speed (TA/Speed) 382.8.2 Time To Collision (TTC) 392.8.3 Post Encroachment Time (PET) 402.8.4 Strengths and Weaknesses of Conflict Indicators 412.9 Severity of Traffic Events 422.9.1 Crash Severity Grading (Category) and Severity Indexes 422.9.2 Conflict Severity Grading and Severity Indexes 433 Methodology 523.1 General 523.1.1 Classification of U-turns on Thai Highways 523.1.2 The Zones at U-turns 523.2 Pilot Study: Evaluation of Crash Data in Thailand 553.2.1 Results of Pilot Study 563.3 Conflict Based Investigation 573.3.1 Traffic Conflicts at U-turns 583.3.2 Conflict Type, Category and Situation at U-turns 603.3.3 Conflict Points at U-turn Zones 633.3.4 Exclusion of Turning Zone Conflicts 643.3.5 Product of Through and Turning Volumes (PTTV) 643.3.6 Selection of Conflict Indicators 683.3.7 Hourly Conflict Numbers 693.3.8 Operating Speed 713.4 Safety Assessment Using the Severity Conflict Index (SCI) 723.4.1 Severity Conflict Index 723.5 Safety Assessment Using the Relative Conflict Index (RCI) 733.5.1 Relative Speed and Speed Adjustment Factor (fspd) 743.5.2 Conflict Orientation Factor (COF ) 753.5.3 Level of Conflict (LC) 763.5.4 Relative Conflict Index (RCI) 763.6 Comparison of the Conflict Indexes 794 Data Collection 804.1 Selection of Study Locations 814.2 Layout Geometry of a U-turn 824.3 Functional Length of Auxiliary Lanes 834.4 Time Duration for Field Data Recording 844.5 Traffic Volumes 844.6 Operating Speed 844.7 Traffic Conflict Data 864.7.1 Identification of Traffic Conflicts 864.7.2 Conflict Type 874.7.3 Conflict Severity 874.7.4 Conflict Category 87 4.7.5 Classification of Involved Vehicles 884.7.6 Marking of a Conflict Situation 885 Data Compilation and Results 905.1 Traffic Volumes 905.2 Product of the Through and Turning Volumes (P T T V ) 945.3 Safety Assessment Using the Severity Conflict Index (SCI) 955.3.1 Classification of the Observed Conflicts Using the Severity-levelof Situation 955.3.2 Calculation of the Average Hourly Conflict Number Using the Severity Level of Situation 955.3.3 Calculation of Severity Conflict Index es 965.4 Safety Assessment Using Relative Conflict Index (RCI) 1025.4.1 Operating Speed 1025.4.2 Hourly Traffic Conflicts Classified using the Type of Conflict Situation 1035.4.3 Calculation of LC 1045.4.4 Calculation of Relative Conflict Number (RCN ) 1065.4.5 Calculation of Relative Conflict Index (RCI) 1076 Analysis of Results: Safety Assessment 1106.1 Traffic Volumes 1106.1.1 Hourly Traffic Volume 1106.1.2 Percentage Share of Turning Volume 1106.1.3 Percentage Share of the HCV in Turning Volume 1106.2 Operating Speed 1116.3 Geometry and Dimensions of U-turns Components 1116.4 Conflict Points at U-turns 1126.5 Safety Assessment Using the Severity Conflict Index (SCI) 1126.5.1 Severity Conflict Index es for Downstream Zones 1126.5.2 Severity Conflict Index es for Upstream Zones 1136.5.3 Severity Conflict Index es for U-turns 1136.6 Safety Assessment Using Relative Conflict Index (RCI) 1146.6.1 Relative Conflict Index es for Downstream Zones 1146.6.2 Relative Conflict Index es for Upstream Zones 1156.6.3 Relative Conflict Index es the for U-turns 1166.7 Secondary Finding: Inappropriate Driving Behaviour 1176.7.1 Inappropriate Driving Behaviour of Thai Motorcyclists 1176.7.2 Effect of the Application of Directional Island 1176.7.3 Inappropriate Overtaking Maneuver Using the U-turn Infrastruc-tures 1207 The Challenge, Conclusions and Recommendations 122 7.1 The Challenge and Opportunity . .. . 122 7.2 Conclusions . . . . 122 7.3 Limitations and Recommendations . . 125 Bibliography 126Publications Arising from the Thesis 131Appendices 132Appendix A Location and Geometric Data of U-turns 133A.1 Location of U-turns 133A.2 Geometric Data of U-turns 134A.3 The Standard Drawing of U-turns of the DoH, Thailand 136Appendix B Sample data-sheet for traffic count 137Appendix C Traffic flow at U-turns 138C.1 Recorded traffic volume data 138C.2 Hourly Traffic Volume Data 141C.3 Traffic Flow Charts 144C.3.1 Traffic flow at UT-1 (A) 144C.3.2 Traffic flow at UT-1 (B) 145C.3.3 Traffic flow at UT-2 (A) 146C.3.4 Traffic flow at UT-2 (B) 147C.3.5 Traffic flow at UT-3 (A) 148C.3.6 Traffic flow at UT-3 (B) 149C.3.7 Traffic flow at UT-4 (A) 150C.3.8 Traffic flow at UT-4 (B) 151C.3.9 Traffic flow at UT-5 (A) 152C.3.10 Traffic flow at UT-5 (B) 153C.3.11 Traffic flow at UT-6 (A) 154C.3.12 Traffic flow at UT-6 (B) 155C.3.13 Traffic flow at UT-7 (A) 156C.3.14 Traffic flow at UT-7 (B) 157C.3.15 Traffic flow at UT-8 (A) 158C.3.16 Traffic flow at UT-8 (B) 159Appendix D An Observed Serious Conflict Situation 160Appendix E Calculation of Relative Conflict Number 161Appendix F Data Tables for Severity Conflict Indexes 164F.1 Observed conflict numbers 164Appendix G Photographs from Field Investigations 167G.1 Photos of inappropriate driving behaviour, illegal parking and directional islands 167mehr