Decision-Making For Roadway Lane Designation Among Variable Modes

Increasing traffic congestion and a shortage of funds available to build new roads are forcing the transportation infrastructure to function at its maximum capacity. The limited road space available on congested urban street networks in major cities…


Chapter I: Introduction
1.1. Background
1.2. Research Objectives
1.3. Organization
Chapter II: Literature Review
2.1. Overview
2.2. Exclusive Bus Lanes
2.2.1. Bus Lanes Studies
2.2.2. Bus Performance Measures
2.3. Exclusive Bicycle Lanes
2.3.1. Bicycle Performance Measures
a. Bicycle Level of Service
b. Bicycle Compatibility Index
2.3.2. Bicycle Master Plans
2.3.3. Bicycle Facilities and Operational Analysis Research
2.4. Mobility and Accessibility
2.5. Environmental and Safety Impacts
2.5.1. Environmental Impact
2.5.2. Safety Impact
a. Traffic Safety
b. Bicycle Safety
2.6. Lane-use-related Research
2.7. Combining Modal Split and Equilibrium Assignment Model
2.8. Multimodal Simulation Software
2.9. Decision Making
2.9.1. Pareto Frontier Concept
2.9.2. Multi-objective Decision-making
2.10. Summary of Literature Review
Chapter III: Research Methodology and Tasks
3.1. The Purpose of the Study
3.2. Performance Measures
3.3. Design of the Study/Research Methodology
3.4. Tasks
3.4.1. Identifying Different Alternatives
3.4.2. Collecting Traffic Data
3.4.3. Applying a Traffic Simulation Model
3.4.4. Applying the BCI for Bicycles
3.4.5. Computing Travel Speeds, Cost of Delays, and Operating Costs
3.4.6. Measuring Mobility and Accessibility
a. Mobility
b. Accessibility
3.4.7. Evaluating Environmental and Safety Impacts
a. Measuring Environmental Impact
b. Measuring Safety Impact
3.4.8. Making a Decision
3.4.9. Conducting Final (Sensitivity) Analysis
3.5. Summary of Research Methodology
Chapter IV: Numerical Example and Results
4.1. Identifying Different Alternatives
4.2. Traffic Data
4.3. Applying a Traffic Simulation Model
4.4. Applying the BCI for Bicycles
4.5. Computing Travel Speeds, Cost of Delays, and Operating Costs
4.6. Measuring Mobility
4.7. Measuring Accessibility
4.8. Evaluating Environmental Impact
4.9. Evaluating Safety Impact
4.10. Making a Decision
4.11. Variability of the Results
4.12. Growth in Demand
4.13. Conducting a Sensitivity Analysis
4.14. Experimental Survey
4.14.1. Transportation Professionals Survey Results
4.14.2. Officials’ Survey Results
4.15. Summary of Numerical Example
Chapter V: Assumptions and Limitations
5.1. Study Assumptions
5.2. Study Limitations
Chapter VI: Conclusion and Recommendations
6.1. Conclusion
6.2. Recommendations
6.3. Recommendations for Future Research
Appendix A – Output of the Model for Original Scenarios: 1, 2, 2b, and 3
Appendix B – Operational Costs Details for Different Types of Vehicles
Appendix C – Sample of Mobile6 Run for a 31-mph Average Speed
Appendix D – Three Cases With Different Lane Widths For Scenario 2b: 10-foot Mixed-Traffic Lane and 16-foot Bus Lane, 11-foot Mixed-Traf Lane and 15-foot Bus Lane, and 13-foot Mixed-Traffic Lane13-foot Bus Lane
Appendix E – Sensitivity Analysis For Three New Cases For Scenario # 1:36 Buses and 16 Bicycles, 60 Buses and 16 Bicycles, and 12 buses and 60 Bicycles
Appendix F – Decision-Makers’ Survey

Author: Elshafei, Emad Hamdi

Source: University of Maryland

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