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NCHRP Report 618:

Cost-Effective Performance Measures for Travel Time Delay, Variation, and Reliability (2008)

79 pages | 8.5 x 11

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79 pages | 8.5 x 11

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NCHRP Report 618:

Cost-Effective Performance Measures for Travel Time Delay, Variation, and Reliability (2008)

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Transportation Research Board

Description

TRB's National Cooperative Highway Research Program (NCHRP) Report 618: Cost-Effective Performance Measures for Travel Time Delay, Variation, and Reliability explores a framework and methods to predict, measure, and report travel time, delay, and reliability from a customer-oriented perspective.

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NCHRP Report 618:

Cost-Effective Performance Measures for Travel Time Delay, Variation, and Reliability (2008)

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NCHRP Report 618:

Cost-Effective Performance Measures for Travel Time Delay, Variation, and Reliability (2008)

Overview

Authors

Description

Table of Contents

Front Matter i-ix

Summary 1-3

1.1 Why Measure Travel-Time Performance? 4-4

1.2 How to Use the Guidebook 5-5

1.4 Measuring Mobility and Reliability 6-9

2.2 Measure Selection 10-12

2.4 Individual Measures 13-16

2.5 Area Measures 17-17

2.6 Basic Data Elements 18-18

2.7 Definition and Discussion of Speed Terms 19-19

2.8 Other Data Elements 20-20

2.9 Time Periods for Analysis 21-21

2.11 The Right Measure for the Type of Analysis 22-22

2.12 Index Measure Considerations 23-24

3.3 Data Collection Sampling Plan 25-29

3.4 Collecting Data from TMCs 30-31

3.5 Processing/Quality Control 32-33

4.1 Introduction 34-34

4.4 Determining if Conditions Are Significantly Better 35-35

4.5 What to Do If the Null Hypothesis Cannot Be Rejected 36-36

5.4 Comparing Field Data to Performance Standards 37-38

5.6 Diagnosing the Causes 39-40

6.2 Estimating/Forecasting Travel Time 41-47

6.4 Estimating Reliability 48-50

7.2 Defining the Problem 51-51

7.3 Generation of Project Alternatives for Analysis 52-52

7.5 Evaluation of Alternatives 53-53

7.7 Evaluate Effectiveness of Implemented Solutions 54-54

8.4 Creating a Performance-Based Decision-Making Environment 55-58

8.6 Typical Planning Applications 59-68

References 69-69

Abbreviations used without definitions in TRB publications 70-70

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