NCHRP Report 627: Traffic Safety Evaluation of Nighttime and Daytime Work Zones
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  • Status: Final Book
  • 89 pages
  • Downloads: 33
NCHRP Report 627:
Traffic Safety Evaluation of Nighttime and Daytime Work Zones
(2008)
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Overview

Authors

Description

TRB's National Cooperative Highway Research Program (NCHRP) Report 627: Traffic Safety Evaluation of Nighttime and Daytime Work Zones explores the crash rates for nighttime and daytime work zones and examines management practices that promote safety and mobility in work zones. The report also highlights work-zone crash reporting suggestions designed to help improve the data collected on work zone crashes.

The following appendices to NCHRP Report 627 are available online:

Appendix A: Data Collection, Reduction, and Analysis in California, North Carolina, Ohio, and Washington

Appendix B: EB Crash Analysis

Appendix C: MMUCC Guideline Data Elements

Appendix F: NYSDOT Accident Reporting Program â€" Data Elements and Attributes

Topics

  • Transportation — Highways
  • Transportation — Construction
  • Transportation — Maintenance and Preservation
  • Transportation — Safety and Human Factors
Contents

Table of Contents

skim chapter
Front Matter i-x
Summary 1-3
Work Zone Effects on Traffic Safety 4-4
Nighttime versus Daytime Work Zone Crashes 5-5
Implications for This Study 6-6
Study Overview 7-7
Data Reduction and Analysis 8-8
Work Zone Traffic Crash Analysis 9-11
Work Zone Construction Accident Analysis 12-12
Summary of Findings 13-13
Study Methodology 14-14
Data Collection 15-17
Data Analysis 18-18
Increases in Traffic Crashes Occurring during Nighttime and Daytime Work Activities 19-25
Types of Crashes Occurring during Nighttime and Daytime Work 26-29
Summary 30-33
Chapter 4 - Recommended Management Policies, Procedures, and Practices to Improve Nighttime and Daytime Work Zone Safety 34-34
Improvements in Maintenance and Construction Practices 35-36
Nighttime Work 37-37
Transportation Demand Management Programs to Reduce Traffic Volumes Through Work Zones 38-39
Strategies to Improve Work Zone Traffic Control Devices 40-42
Strategies to Improve Work Zone Design Practices 43-44
Strategies to Improve Driver Compliance with Work Zone Traffic Controls 45-46
Strategies to Develop Procedures to Effectively Manage Work Zones 47-47
Summary 48-49
Categories of Critical Data Elements 50-50
MMUCC Guideline-Based Enhancements to State Crash Reports 51-51
Selecting a Work Zone Crash Data Source 52-53
State Highway Agency-Based Crash Data Collection and Reporting 54-54
MMUCC Guideline Data Elements and Attributes - 2003 Edition 55-55
Suggested Revisions to MMUCC Guideline Definitions 56-56
Inherent Limitations in the MMUCC Guideline 57-58
Data Element Considerations of Highway-Agency-Based Crash Reporting Systems 59-60
Recommended Work Zone Crash Data Analysis Methods 61-61
Summary 62-64
Nighttime and Daytime Work Zone Effects on Crashes and Worker Accidents 65-65
Work Zone Crash Data Elements, Collection and Storage Techniques, and Analysis Methods 66-66
Recommendations 67-67
References 68-70
Appendixes A, B, C, and F 71-71
Appendix D - Suggested Revisions to MMUCC Guideline Definitions 72-73
Appendix E - Florida, Louisiana, and Maryland Agency Work Zone Crash Reporting Forms 74-78
Abbreviations used without definitions in TRB publications 79-79

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