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FHWA Home / Safety / Roadway Departure / Workshops on Nighttime Visibility of Traffic Signs

Workshops on Nighttime Visibility of Traffic Signs: Summary of Workshop Findings

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Workshops on Nighttime Visibility of Traffic Signs:
Summary of Workshop Findings

February 2003
Publication No. FHWA-SA-03-002


Technical Report Documentation Page



Workshops on Nighttime Visibility of Traffic Signs:
Summary of Workshop Findings

Prepared by

H. Gene Hawkins, Jr., Ph.D., P.E.
Texas Transportation Institute
College Station, Texas

Paul J. Carlson, Ph.D., P.E.
Texas Transportation Institute
College Station, Texas

Greg F. Schertz, P.E.
Federal Highway Administration
Denver, Colorado

and

Kenneth S. Opiela, Ph.D., P.E.
Federal Highway Administration
McLean, Virginia

Prepared under contract to
Battelle
Transportation Market Sector
Columbus, Ohio

Prepared for
FHWA Safety Office
Washington, D.C.

Sponsored by the
U.S. Department of Transportation
Federal Highway Administration

February 2003




DISCLAIMER

The contents of this report reflect the views of the authors, who are responsible for the opinions, findings, and conclusions presented herein. The contents do not necessarily reflect the official views or policies of the Federal Highway Administration (FHWA). This report does not constitute a standard, specification, or regulation, nor is it intended for construction, bidding, or permit purposes.



ACKNOWLEDGMENTS

These workshops were conducted by the Texas Transportation Institute under a subcontract to Battelle. Carol Zimmerman was the Principal Investigator for Battelle.

There were a number of individuals who made significant contributions to the success of the workshops described in this report. These individuals include:

The team would also like to acknowledge the contributions of the many individuals that participated in the four workshops. These individuals gave up two or more days of their time so that they could share their experiences, thoughts, and suggestions with FHWA.



TABLE OF CONTENTS

LIST OF FIGURES

LIST OF TABLES

CHAPTER 1 - INTRODUCTION

CHAPTER 2 - NIGHT RETROREFLECTIVITY DEMONSTRATION

CHAPTER 3 - SUMMARY OF FINDINGS

CHAPTER 4 - RECOMMENDATIONS

CHAPTER 5 - REFERENCES

APPENDIX A - MUTCD RETROREFLECTIVITY HISTORY

APPENDIX B - RETROREFLECTIVITY ADVANCE NOTICE

APPENDIX C - SUMMARY OF 1995 WORKSHOPS

APPENDIX D - 1993 AND 1998 MINIMUM RETROREFLECTIVITY RESEARCH RECOMMENDATIONS

APPENDIX E - AASHTO POLICY RESOLUTION

APPENDIX F - WORKSHOP PARTICIPANTS

APPENDIX G - ORGANIZATIONS' RETROREFLECTIVITY POLICIES

APPENDIX H - WORKSHOP MUTCD LANGUAGE

APPENDIX I - QUESTIONS TO BE CONSIDERED


LIST OF FIGURES


LIST OF TABLES


Home | Chapter One


Page last modified on June 22, 2011.
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