Road Master Plan - Final Report v8 - Bangladesh

1 1 2 3 4 5 6 Table of Contents List of Maps and Diagrams .. 16 Executive Summary .. 20 1. Introduction .. 28 Background .. 28 Purpose of the 28 Report Contents .. 29 Data Sources .. 29 2. Assessment of Current Situation .. 30 Physical Characteristics .. 30 Road Traffic .. 32 Road Classification .. 33 Legal and Regulatory Framework .. 38 3. Diagnosis of existing problems .. 39 Road Conditions .. 39 Overall Roughness Indicators .. 39 National Highways and Regional Highways.

2 40 Roughness .. 40 Benkelman Beam Deflections (BBD) .. 40 Pavement Composition .. 41 Subgrade .. 41 Engineering properties of Bangladesh soil .. 41 Structural Strength of Existing Pavement .. 41 Carriageway Width .. 42 Routine Maintenance .. 42 Zila Road Conditions .. 43 Current Situation .. 43 Bridge Conditions .. 44 Introduction .. 44 Current Situation .. 44 Conditions of Bridges .. 45 Analysis of D Class Structures .. 47 Analysis of C Class Structures .. 48 Field Surveys.

3 48 Axle Loads .. 49 Survey Equipment .. 49 Survey Locations and Schedule .. 49 Analysis of Survey Data .. 49 The Destructive Nature of Overloading .. 53 Conclusions regarding Overloading .. 56 Operational Problems on Major Highways .. 57 Introduction .. 57 Coverage of the field study .. 57 Major problems affecting operational efficiencies .. 57 Road Safety .. 59 Introduction .. 59 Accident Statistics .. 59 Factors contributing to accidents .. 60 Environmental and Social Issues.

4 61 Environment .. 61 Resettlement and Land Acquisition .. 61 Human Trafficking .. 61 HIV/AIDS .. 62 Employment .. 62 Ferries .. 63 Institutional Issues .. 64 Organisation and Staff .. 64 Budgetary Control and Financial Issues .. 65 RHD Issues of Management Culture .. 65 Current Institutional Change Initiatives in RHD .. 65 4. Future 66 Population Growth .. 66 Economic Growth .. 67 Vehicle Growth .. 68 Trucks .. 68 Buses .. 69 Cars .. 69 All Vehicles .. 70 5.

5 Policies and Commitments .. 72 Road Sector Policy .. 72 Commitments .. 74 Introduction .. 74 Size of the 75 Prioritization within ADP .. 75 Rationalization of the ADP .. 76 Committed Road Improvement and Maintenance Projects .. 77 Recent Funding Levels .. 79 6. Approach .. 80 Summary of Issues .. 80 Approach .. 80 7. Proposed Design Standards .. 84 Introduction .. 84 Approach .. 84 Geometric Standards .. 84 Design and Permissible Speeds .. 84 Passenger Car Unit .. 85 Level of Service.

6 85 Shoulder .. 85 Freeboard .. 86 Crossfall .. 87 Super-elevation .. 87 Longitudinal Gradient .. 87 Pavement Design .. 87 Traffic Count .. 87 Design Life .. 87 Equivalence Factor .. 88 Improved Subgrade .. 88 Vertical Clearance .. 88 Land Acquisition .. 88 Costs .. 88 8. Improving Road Strength .. 89 Background .. 89 The Problem .. 89 Approach .. 90 Classification by Traffic .. 90 Condition Levels .. 90 Matrix Structure .. 91 Intervention Design .. 91 Design Period.

7 91 Growth Rates .. 91 Cumulative Standard Axles .. 91 Pavement Strength .. 92 Design Pavement Strength .. 92 Existing Pavement Strength .. 92 Equivalent Overlay Thickness .. 93 Intervention Schedule .. 94 Cost of Intervention .. 94 Input Matrices .. 94 Interventions Required .. 97 Updating Prices of Vehicle Operating Cost Components .. 103 General .. 103 Vehicle Purchase Cost .. 104 Tyre cost .. 104 Fuel and Lubricants .. 105 Maintenance Labour Costs .. 105 Crew Costs.

8 106 Overheads .. 106 Summary of VOC Inputs .. 106 Economic Appraisal .. 106 Summary of Interventions on National and Regional Highways .. 107 9. Axle Load Control .. 109 Emerging Issues .. 109 Load Limit .. 109 Equipment .. 109 Strategic Locations for fixed Weighbridges .. 109 Proposed Weighbridge Locations .. 110 Actions Required .. 111 Proposed Level of Fine or Toll .. 111 Costs of Axle Load Control .. 111 Next Steps .. 112 Implementation .. 112 10. Improving the Operation of Major Highways.

9 113 Solutions to the operational problems .. 113 Proposed By-passes .. 114 Access to Inland River Ports .. 114 Programme Costs of Other Interventions .. 114 Programme Costs .. 115 11. Zila Road Recovery 116 Importance and Function of Zila Roads .. 116 Prioritisation of Road Projects .. 116 Why not HDM? .. 116 Why not PAF method? .. 117 General Approach .. 117 Strategic Objectives .. 117 Approach to Prioritisation .. 118 Priority Level 1: Primary and Secondary Roads.

10 118 Priority Level 2: Road Condition .. 118 Priority Level 3: Socio-Economic Score .. 119 The Recovery Programme .. 119 Priority Level 1 Primary and Secondary Roads .. 119 Priority Level 2 Road Condition .. 119 Cost Estimates .. 120 Prioritisation .. 120 Priority Levels .. 120 Recovery Workplan .. 121 New Construction Programme .. 122 Prioritisation of New Roads Required .. 122 Remaining Unpaved Roads .. 123 Routine Maintenance .. 123 Periodic Maintenance and Rehabilitation.