NCHRP Report 694: Evaluation and Performance Measurement of Congestion Pricing Projects
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NCHRP Report 694:
Evaluation and Performance Measurement of Congestion Pricing Projects
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TRB's National Cooperative Highway Research Program (NCHRP) Report 694: Evaluation and Performance Measurement of Congestion Pricing Projects is designed to help transportation agencies select or develop measures to evaluate congestion-pricing projects; collect the necessary data; track performance; and communicate the results to decision makers, users, and the general public.

A companion document to NCHRP Report 694 was published as NCHRP Web-Only Document 174: Performance Measurement and Evaluation of Tolling and Congestion Pricing Projects, which provides an overview of the purpose, scope, and methodology, and a complete compilation of the work products that were used to develop NCHRP Report 694.

The PDF of this report has some information not supplied in the original print version. Be advised that inclusion of this information has affected the layout of Appendix A and may affect printing.


  • Transportation — Highways
  • Transportation — Operations and Traffic Management
  • Transportation — Finance

Publication Info

166 pages | 8.5 x 11

Table of Contents

skim chapter
Front Matter i-viii
Summary 1-2
1.1 Why These Guidelines? 3-4
1.2 Types of Congestion Pricing 5-6
1.3 Context for Congestion Pricing Projects and Their Evaluation 7-11
2.1 Compiling the Guidelines 12-14
2.2 State of the Practice and Beyond 15-17
3.1 Initiating Performance Measurement Programs 18-24
3.2 Performance Measurement for Variably Priced Managed Lanes 25-39
3.3 Performance Measurement for Toll Facilities with Variable Pricing 40-50
3.4 Performance Measurement for Cordon and Area Pricing Projects 51-65
4.1 Advantages and Drawbacks of Including Performance Measures in the Public Outreach Process and How Existing Facility Characteristics Shape a Future Facility Vision 66-69
4.2 Market Research - Preparing for the Congestion Pricing Conversation 70-72
4.3 Constituency Building through Public Education and Outreach 73-80
5.1 Providing a Framework to Approach Performance Measurement for Congestion Pricing Projects 81-82
5.2 Outreach and Communication - Day-of-Opening and Beyond 83-84
Abbreviations, Acronyms, and Initialisms 85-86
Key Terms 87-88
Appendix A - Congestion Pricing Case Studies 89-89
Introduction 90-92
1. Colorado Department of Transportation I-25 Express Lanes 93-97
2. Florida Department of Transportation 95 Express 98-104
3. Harris County Toll Road Authority Katy Managed Lanes 105-109
4. Minnesota Department of Transportation MnPASS Lanes 110-115
5. Orange County Transportation Authority 91 Express Lanes 116-121
6. San Diego Association of Governments I-15 Express Lanes 122-126
7. Washington State Department of Transportation SR 167 HOT Lanes 127-133
8. Ontario Ministry of Transportation Highway 407 Express Toll Route 134-137
9. The Port Authority of New York and New Jersey Congestion Pricing Program 138-143
10. Central London Congestion Charging 144-149
11. Singapore Electronic Road Pricing 150-153
12. Stockholm Congestion Tax 154-157
Abbreviations used without definitions in TRB publications 158-158

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