Traffic Engineering and Control

  1. Traffic Stream Characteristics
    1. Fundamental Concepts
      1. Traffic Stream Definition
        1. Measurement Locations and Methods
          1. Data Quality Considerations
            1. Temporal and Spatial Variations
            2. Macroscopic Parameters
              1. Volume and Flow Rate
                1. Definitions and Terminology
                  1. Units of Measurement
                    1. Measurement Techniques
                      1. Temporal Variations
                        1. Hourly Variations
                          1. Daily Variations
                            1. Seasonal Variations
                            2. Directional Distribution
                            3. Speed Characteristics
                              1. Time Mean Speed
                                1. Space Mean Speed
                                  1. Speed Distribution Analysis
                                    1. Relationship Between Speed Measures
                                      1. Factors Affecting Speed
                                      2. Density
                                        1. Definition and Calculation Methods
                                          1. Relationship to Flow and Speed
                                            1. Jam Density Concepts
                                              1. Critical Density
                                            2. Microscopic Parameters
                                              1. Headway Analysis
                                                1. Time Headway Distributions
                                                  1. Space Headway Measurements
                                                    1. Minimum Headway Concepts
                                                      1. Headway Acceptance
                                                      2. Spacing Characteristics
                                                        1. Vehicle Spacing Distributions
                                                          1. Following Distance Behavior
                                                            1. Impact on Safety and Capacity
                                                              1. Car-Following Models
                                                              2. Gap Analysis
                                                                1. Gap Size Distributions
                                                                  1. Critical Gap Concepts
                                                                    1. Gap Acceptance Behavior
                                                                  2. Fundamental Relationships
                                                                    1. Speed-Density Relationship
                                                                      1. Linear Models
                                                                        1. Non-Linear Models
                                                                          1. Greenshields Model
                                                                            1. Greenberg Model
                                                                              1. Underwood Model
                                                                              2. Speed-Flow Relationship
                                                                                1. Theoretical Relationships
                                                                                  1. Empirical Observations
                                                                                    1. Capacity Determination
                                                                                    2. Flow-Density Relationship
                                                                                      1. Fundamental Diagram
                                                                                        1. Free Flow Region
                                                                                          1. Congested Flow Region
                                                                                            1. Capacity Point
                                                                                            2. Applications in Traffic Analysis
                                                                                              1. Level of Service Determination
                                                                                                1. Bottleneck Analysis
                                                                                                  1. Traffic State Estimation
                                                                                                2. Traffic Flow Models
                                                                                                  1. Macroscopic Flow Models
                                                                                                    1. Continuum Models
                                                                                                      1. Fluid Dynamic Analogies
                                                                                                        1. Conservation Equations
                                                                                                        2. Microscopic Flow Models
                                                                                                          1. Car-Following Models
                                                                                                            1. Lane-Changing Models
                                                                                                              1. Gap Acceptance Models
                                                                                                              2. Mesoscopic Flow Models
                                                                                                                1. Cellular Automata
                                                                                                                  1. Gas-Kinetic Models
                                                                                                                2. Queuing Theory Applications
                                                                                                                  1. Basic Queuing Concepts
                                                                                                                    1. Arrival Processes
                                                                                                                      1. Service Processes
                                                                                                                        1. Queue Discipline
                                                                                                                        2. Arrival Distributions
                                                                                                                          1. Deterministic Arrivals
                                                                                                                            1. Poisson Arrivals
                                                                                                                              1. Other Arrival Patterns
                                                                                                                              2. Service Time Distributions
                                                                                                                                1. Constant Service Times
                                                                                                                                  1. Exponential Service Times
                                                                                                                                    1. General Service Distributions
                                                                                                                                    2. Queuing Models
                                                                                                                                      1. D/D/1 Model Applications
                                                                                                                                        1. M/D/1 Model Applications
                                                                                                                                          1. M/M/1 Model Applications
                                                                                                                                            1. Multi-Server Models
                                                                                                                                            2. Queue Performance Measures
                                                                                                                                              1. Queue Length Estimation
                                                                                                                                                1. Waiting Time Analysis
                                                                                                                                                  1. Delay Calculations
                                                                                                                                                    1. System Utilization
                                                                                                                                                    2. Applications in Traffic Engineering
                                                                                                                                                      1. Intersection Analysis
                                                                                                                                                        1. Toll Plaza Analysis
                                                                                                                                                          1. Parking Facility Analysis
                                                                                                                                                            1. Work Zone Analysis

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                                                                                                                                                        3. Vehicle Characteristics

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                                                                                                                                                        5. Traffic Data Collection and Analysis