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| Introduction to Highway Engineering and Traffic Analysis | |
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| Introduction | |
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| Highways and the Economy | |
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| The Highway Economy | |
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| Supply Chains | |
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| Economic Development | |
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| Highways, Energy and the Environment | |
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| Highways and the Transportation System | |
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| Highway Transportation and the Human Element | |
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| Passenger Transportation Modes and Traffic Congestion | |
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| Highway Safety | |
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| Demographic Trends | |
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| Highways and Evolving Technologies | |
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| Infrastructure Technologies | |
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| Vehicle Technologies | |
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| Traffic Control Technologies | |
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| Scope of Study | |
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| Road Vehicle Performance | |
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| Introduction | |
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| Tractive Effort and Resistance | |
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| Aerodynamic Resistance | |
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| Rolling Resistance | |
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| Grade Resistance | |
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| Available Tractive Effort | |
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| Maximum Tractive Effort | |
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| Engine-Generated Tractive Effort | |
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| Vehicle Acceleration | |
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| Fuel Efficiency | |
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| Principles of Braking | |
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| Braking Forces | |
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| Braking Force Ratio and Efficiency | |
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| Antilock Braking Systems | |
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| Theoretical Stopping Distance | |
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| Practical Stopping Distance | |
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| Distance Traveled During Driver Perception/Reaction | |
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| Geometric Design of Highways | |
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| Introduction | |
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| Principles of Highway Alignment | |
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| Vertical Alignment | |
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| Vertical Curve Fundamentals | |
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| Stopping Sight Distance | |
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| Stopping Sight Distance and Crest Vertical Curve Design | |
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| Stopping Sight Distance and Sag Vertical Curve Design | |
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| Passing Sight Distance and Crest Vertical Curve Design | |
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| Underpass Sight Distance and Sag Vertical Curve Design | |
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| Horizontal Alignment | |
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| Vehicle Cornering | |
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| Horizontal Curve Fundamentals | |
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| Stopping Sight Distance and Horizontal Curve Design | |
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| Combined Vertical and Horizontal Alignment | |
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| Pavement Design | |
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| Introduction | |
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| Pavement Types | |
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| Flexible Pavements | |
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| Rigid Pavements | |
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| Pavement System Design: Principles for Flexible Pavements | |
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| Calculation of Flexible Pavement Stresses and Deflections | |
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| The AASHTO Flexible-Pavement Design Procedure | |
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| Serviceability Concept | |
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| Flexible-Pavement Design Equation | |
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| Structural Number | |
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| Pavement System Design: Principles for Rigid Pavements | |
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| Calculation of Rigid-Pavement Stresses and Deflections | |
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| The AASHTO Rigid-Pavement Design Procedure | |
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| Measuring Pavement Quality and Performance | |
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| International Roughness Index | |
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| Friction Measurements | |
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| Rut Depth | |
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| Fundamentals of Traffic Flow and Queuing Theory | |
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| Introduction | |
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| Traffic Stream Parameters | |
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| Traffic Flow, Speed, and Density | |
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| Basic Traffic Stream Models | |
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| Speed-Density Model | |
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| Flow-Density Model | |
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| Speed-Flow Model | |
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| Models Of Traffic Flow | |
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| Poisson Model | |
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| Limitations of the Poisson Model | |
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| Queuing Theory and Traffic Flow Analysis | |
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| Dimensions of Queuing Models | |
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| D/D/1 Queuing | |
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| M/D/1 Queuing | |
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| M/M/1 Queuing | |
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| M/M/N Queuing | |
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| Traffic Analysis at Highway Bottlenecks | |
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| Highway Capacity and Level-of-Service Analysis | |
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| Introduction | |
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| Level-of-Service Concept | |
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| Level-of-Service Determination | |
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| Base Conditions and Capacity | |
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| Determine Free-Flow Speed | |
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| Determine Analysis Flow Rate | |
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| Calculate Service Measure(s) and Determine LOS | |
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| Basic Freeway Segments | |
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| Base Conditions and Capacity | |
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| Service Measure | |
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| Determining Free-Flow Speed | |
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| Determining Analysis Flow Rate | |
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| Calculating Density and Determining LOS | |
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| Multilane Highways | |
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| Base Conditions and Capacity | |
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| Service Measure | |
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| Determining Free-Flow Speed | |
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| Determining Analysis Flow Rate | |
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| Calculating Density and Determining LOS | |
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| Two-Lane Highways | |
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| Base Conditions and Capacity | |
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| Service Measures | |
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| Determining Free-Flow Speed | |
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| Determining Analysis Flow Rate | |
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| Calculate Service Measures | |
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| Determine LOS | |
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| Design Traffic Volumes | |
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| Traffic Control and Analysis at Signalized Intersections | |
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| Introduction | |
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| Intersection and Signal Control Characteristics | |
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| Actuated Control | |
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| Vehicle Detection | |
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| Typical Phase Operation | |
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| Signal Controller Operation | |
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| Analysis of Traffic at Signalized Intersections | |
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| Concepts and Definitions | |
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| Signalized Intersection Analysis with D/D/1 Queuing | |
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| Signalized Intersection Analysis for Level of Service | |
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| Optimal Traffic Signal Timing | |
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| Development of a Traffic Signal Phasing and Timing Plan | |
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| Select Signal Phasing | |
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| Establish Analysis Lane Groups | |
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| Calculate Analysis Flow Rates and Adjusted Saturation Flow Rates | |
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| Determine Critical Lane Groups and Total Cycle Lost Time | |
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| Calculate Cycle Length | |
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| Allocate Green Time | |
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| Calculate Change and Clearance Intervals | |
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| Check Pedestrian Crossing Time | |
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| Level-of-Service Determination | |
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| Signal Coordination | |
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| Fundamental Relationships | |
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| Effective Green to Cycle Length Ratio (g/C) | |
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| Platoon Dispersion | |
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| State of the Practice | |
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| Progression Quality and Level of Service Analysis | |
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| The Progression Adjustment Factor and Arrival Type | |
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| Travel Demand and Traffic Forecasting | |
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| Introduction | |
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| Traveler Decisions | |
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| Scope of the Travel Demand and Traffic Forecasting Problem | |
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| Trip Generation | |
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| Typical Trip Generation Models | |
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| Trip Generation with Count Data Models | |
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| Mode and Destination Choice | |
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| Methodological Approach | |
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| Logit Model Applications | |
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| Highway Route Choice | |
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| Highway Performance Functions | |
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| User Equilibrium | |
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| Mathematical Programming Approach to User Equilibrium | |
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| System Optimization | |
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| Traffic Forecasting in Practice | |
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| The Traditional Four-Step Process | |
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| The Current State of Travel Demand and Traffic Forecasting | |
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| Least Squares Estimation | |
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| Maximum-Likelihood Estimation | |
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| Metric Example Problems | |
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| Metric End-of-Chapter Problems | |
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| Index | |