Pavement Marking Demonstration Projects: State of Alaska and State of Tennessee PUBLICATION NO. FHWA-HRT-12-048 NOVEMBER 2013 Research, Development, and Technology Turner-Fairbank Highway Research Center 6300 Georgetown Pike McLean, VA 22101-2296 FOREWORD This report provides information on four topics related to advanced pavement marking systems: (1) an evaluation of the durability and cost effectiveness of alternative marking materials, (2) a two-part study on the safety impacts of wider edge lines, the first part using operational effects as surrogate safety metrics and the second part based on a post-hoc analysis of safety data, (3) an evaluation of the potential environmental impacts of cost effective pavement marking systems, and (4) a review of the effect of State procurement processes on the quality of installed markings. This report amplifies information that may be found in Pavement Marking Demonstration Projects: State of Alaska and State of Tennessee: Report to Congress (FHWA-HRT-09-039). The intent of this report is to provide decisionmakers with information on materials and methods that will reduce the overall national expenditure on pavement markings, while providing improved guidance and enhanced safety for the driving public. Monique R. Evans Director, Office of Safety Research and Development Notice This document is disseminated under the sponsorship of the U.S. Department of Transportation in the interest of information exchange. The U.S. Government assumes no liability for the use of the information contained in this document. This report does not constitute a standard, specification, or regulation. The U.S. Government does not endorse products or manufacturers. Trademarks or manufacturers’ names appear in this report only because they are considered essential to the objective of the document. Quality Assurance Statement The Federal Highway Administration (FHWA) provides high-quality information to serve Government, industry, and the public in a manner that promotes public understanding. Standards and policies are used to ensure and maximize the quality, objectivity, utility, and integrity of its information. FHWA periodically reviews quality issues and adjusts its programs and processes to ensure continuous quality improvement. TECHNICAL DOCUMENTATION PAGE 1. Report No. 2. Government Accession No. 3. Recipient's Catalog No. FHWA-HRT-12-048 4. Title and Subtitle 5. Report Date Pavement Marking Demonstration Projects: State of Alaska and State of November 2013 Tennessee 6. Performing Organization Code 7. Author(s) 8. Performing Organization Report No. Paul Carlson, Eun-Sug Park, Adam Pike, R.J. Porter, Jeffrey Miles, Bryan Boulanger, Omar Smadi, Neal Hawkins, Seth Chalmers, Frank Darmiento, Adrian Burde, Beverly Kuhn, and Wendy Ealding 9. Performing Organization Name and Address 10. Work Unit No. (TRAIS) Texas Transportation Institute The Texas A&M University System 11. Contract or Grant No. College Station, TX 77843-3135 DTFH61-05-D-00025 Task T-06-002 SAIC 1710 SAIC Drive McLean, VA 22101-2296 12. Sponsoring Agency Name and Address 13. Type of Report and Period Covered Office of Safety Research and Development Final Report Federal Highway Administration 6300 Georgetown Pike 14. Sponsoring Agency Code McLean, VA 22101-2296 15. Supplementary Notes Projects were performed with the cooperation and participation of the Tennessee Department of Transportation and the Alaska Department of Transportation and Public Facilities. The Contracting Officer’s Technical Representative (COTR) was Carl K. Andersen, Office of Safety Research and Development. 16. Abstract This project evaluates the safety impacts, environmental impacts, and cost effectiveness of different pavement marking systems as well as the effect of State bidding and procurement processes on the quality of pavement marking material employed in highway projects. The findings indicate that States are pursuing alternative procurement strategies to provide high-quality durable markings in a cost effective manner, often as part of a strategic safety plan, while industry has responded to requirements for more environmentally benign materials. A multi-State retrospective crash analysis suggests that the use of 6-inch edge lines reduces several crash types on rural two-lane two-way roads as compared to 4-inch edge lines. The monitored performance of pavement markings installed as part of the demonstration project was used to evaluate pavement marking cost effectiveness. The same results were also used to populate a framework for a pavement marking selection tool. 17. Key Words 18. Distribution Statement Acrylic waterborne paint, Durability, Environmental No restrictions. This document is available to the public impacts, Pavement markings, Retroreflectivity, State through the National Technical Information Service bidding procedures, Wider edge lines Alexandria, VA 22312 19. Security Classif. (of this report) 20. Security Classif. (of this page) 21. No. of Pages 22. Price Unclassified Unclassified 298 Form DOT F 1700.7 (8-72) Reproduction of completed page authorized ii TABLE OF CONTENTS CHAPTER 1. INTRODUCTION ................................................................................................ 1 BACKGROUND ..................................................................................................................... 1 CHAPTER 2. COST EFFECTIVENESS OF PAVEMENT MARKINGS ............................. 5 INTRODUCTION................................................................................................................... 5 Alaska and Tennessee Test Decks ...................................................................................... 5 LITERATURE REVIEW ...................................................................................................... 5 Transverse Test Decks ........................................................................................................ 5 Long-Line Test Decks ......................................................................................................... 7 Test Deck Summary .......................................................................................................... 13 ALASKA TEST DECK ........................................................................................................ 15 TENNESSEE TEST DECKS ............................................................................................... 16 Nashville Test Deck .......................................................................................................... 17 Tusculum Test Deck ......................................................................................................... 18 DATA COLLECTION TECHNIQUES ............................................................................. 18 Retroreflectivity Measurements ........................................................................................ 18 Photographic Images ......................................................................................................... 19 Monitoring Snowfall ......................................................................................................... 19 PAVEMENT MARKING DURABILITY .......................................................................... 21 Alaska ............................................................................................................................... 22 Tennessee .......................................................................................................................... 24 PAVEMENT MARKING COSTS ...................................................................................... 27 PAVEMENT MARKING COST EFFECTIVENESS ....................................................... 34 FINDINGS PERTAINING TO ADVANCED ACRYLIC WATERBORNE PAVEMENT MARKINGS .................................................................................................. 35 SUMMARY ........................................................................................................................... 36 CHAPTER 3. OPERATIONAL EFFECTS OF WIDE EDGE LINES ................................. 37 INTRODUCTION................................................................................................................. 37 LITERATURE REVIEW .................................................................................................... 37 Vehicle Speed ................................................................................................................... 37 Lateral Vehicle Position .................................................................................................... 38 TENNESSEE HORIZONTAL CURVE STUDY ............................................................... 39 Study Site Selection .......................................................................................................... 39 Data Collection ................................................................................................................. 41 Equipment Setup ............................................................................................................... 41 Sample Size ....................................................................................................................... 42 Statistical Analysis Methodology ..................................................................................... 44 Descriptive Statistical Analysis ........................................................................................ 44 Enhanced Statistical Analysis ........................................................................................... 52 SUMMARY ........................................................................................................................... 53 iii CHAPTER 4. SAFETY EFFECTS OF WIDE EDGE LINES ............................................... 55 INTRODUCTION................................................................................................................. 55 LITERATURE REVIEW .................................................................................................... 55 DATA COLLECTION AND PREPARATION ................................................................. 55 Identifying Available Data ................................................................................................ 56 Illinois Data Collection and Preparation ........................................................................... 56 Kansas Data Collection and Preparation ........................................................................... 58 Michigan Data Collection and Preparation ....................................................................... 71 WIDER LINE RETROSPECTIVE CRASH ANALYSES ............................................... 72 Analysis of Illinois Rural Two-Lane Roadway Crash Data ............................................. 72 Analysis of Kansas Rural Two-Lane Roadway Crash Data ............................................. 81 Analysis of Michigan Rural Two-Lane Roadway Crash Data ......................................... 89 Consolidated Results ......................................................................................................... 95 CRASH SEVERITY ANALYSIS OF SINGLE-VEHICLE CRASHES ......................... 96 Modeling Approach .......................................................................................................... 97 Description of Data ........................................................................................................... 98 Results and Conclusions ................................................................................................. 100 SUMMARY ......................................................................................................................... 103 CHAPTER 5. ENVIRONMENTAL HEALTH AND SAFETY CONSIDERATIONS...... 105 INTRODUCTION............................................................................................................... 105 PAVEMENT MARKING PRODUCT COMPOSITION, APPLICATION, AND REMOVAL TECHNIQUES .............................................................................................. 106 Pavement Marking Composition Overview .................................................................... 106 TRAFFIC PAINT ............................................................................................................... 107 THERMOPLASTIC PAVEMENT MARKINGS ............................................................ 108 Profiled Thermoplastic .................................................................................................... 109 Melt-In-Place Preformed Thermoplastic Tape ............................................................... 109 TWO-COMPONENT PAVEMENT MARKINGS .......................................................... 110 Epoxy Paints ................................................................................................................... 110 Polyurea .......................................................................................................................... 111 Modified Epoxy or Urethane .......................................................................................... 111 MMA............................................................................................................................... 111 COLD-APPLIED PREFORMED TAPE .......................................................................... 112 REFLECTIVE ELEMENTS ............................................................................................. 113 Glass Beads ..................................................................................................................... 113 Proprietary Reflective Elements and Bead Clusters ....................................................... 116 PAVEMENT MARKING REMOVAL (ERADICATION) ............................................ 116 ENVIRONMENTAL HEALTH AND SAFETY CONSIDERATIONS CONCERNING PAVEMENT MARKINGS ................................................................... 116 NJDOT GLASS BEAD STUDY OVERVIEW ................................................................ 118 TTI HEAVY METALS IN GLASS BEADS STUDY ...................................................... 119 FHWA STUDY.................................................................................................................... 121 FHWA EPA STUDY........................................................................................................... 122 HEAVY EQUIPMENT AND TRAFFIC HAZARDS ..................................................... 123 iv FEDERAL ENVIRONMENTAL AND SAFETY REGULATIONS PERTAINING TO PAVEMENT MARKINGS ............................................................... 123 NEPA .............................................................................................................................. 124 TSCA .............................................................................................................................. 124 RCRA .............................................................................................................................. 124 CAA ................................................................................................................................ 125 Clean Water Act .............................................................................................................. 126 HAZARDOUS MATERIALS TRANSPORTATION ..................................................... 126 OCCUPATIONAL SAFETY AND HEALTH ACT ........................................................ 127 ENVIRONMENTAL LCA OF PAVEMENT MARKINGS ........................................... 127 BMPS ................................................................................................................................... 130 Reducing Exposure Risks ............................................................................................... 130 MSDS RECOMMENDATIONS ........................................................................................ 132 SPECIFICATION GUIDELINES FOR STORAGE, HANDLING, APPLICATION, AND REMOVAL PRACTICES .......................................................... 134 SUMMARY ......................................................................................................................... 134 CHAPTER 6. STATE BIDDING AND PROCUREMENT .................................................. 135 INTRODUCTION............................................................................................................... 135 RECIPE OR COMPONENT SPECIFICATION ............................................................ 135 PERFORMANCE-BASED SPECIFICATION................................................................ 137 WARRANTY SPECIFICATION ...................................................................................... 139 SURVEY ON STATE BIDDING AND PROCUREMENT PROCESSES .................... 139 SUMMARY ......................................................................................................................... 148 CHAPTER 7. RESEARCH SUMMARY AND FINDINGS ................................................. 149 COST EFFECTIVENESS OF PAVEMENT MARKINGS ............................................ 149 EFFECTS OF WIDER EDGE LINE PAVEMENT MARKINGS ................................. 150 ENVIRONMENTAL CONCERNS ................................................................................... 151 STATE PROCUREMENT AND BIDDING PRACTICES ............................................ 151 RECOMMENDATIONS FOR FUTURE RESEARCH .................................................. 151 APPENDIX A. DURABILITY TEST DECK INFORMATION .......................................... 153 PAVEMENT MARKING PREPARATION FOR INLAID MARKINGS .................... 153 ANCHORAGE PAVEMENT MARKING TEST DECK AREA ................................... 154 ANCHORAGE PAVEMENT MARKINGS ..................................................................... 158 NASHVILLE PAVEMENT MARKING TEST DECK AREA ...................................... 160 NASHVILLE PAVEMENT MARKINGS ........................................................................ 163 TUSCULUM PAVEMENT MARKING TEST DECK AREA ...................................... 164 TUSCULUM PAVEMENT MARKINGS ........................................................................ 167 APPENDIX B. PAVEMENT MARKING RETROREFLECTIVITY DEGRADATION GRAPHS .................................................................................................... 169 ALASKA TEST DECK ...................................................................................................... 169 NASHVILLE, TN, TEST DECK ....................................................................................... 170 TUSCULUM, TN, TEST DECK ....................................................................................... 178 v APPENDIX C. PAVEMENT MARKING COST EFFECTIVENESS TABLES ............... 183 NASHVILLE, TN, TEST DECK ....................................................................................... 183 TUSCULUM, TN, TEST DECK ....................................................................................... 185 APPENDIX D. SAFETY ANALYSES ON MULTILANE HIGHWAYS ........................... 189 APPENDIX E. LIST OF MSDS COPIES REVIEWED ....................................................... 193 APPENDIX F. SUMMARY OF MSDS DATA ...................................................................... 197 APPENDIX G. PRESENCE ANALYZER ............................................................................. 245 TOOL DEVELOPMENT ................................................................................................... 245 CALIBRATION .................................................................................................................. 246 EXPERIMENTAL RESULTS ........................................................................................... 247 SUMMARY ......................................................................................................................... 248 APPENDIX H. MANAGEMENT TOOLS ............................................................................. 251 CHALLENGES ................................................................................................................... 251 PMST METHODOLOGY ................................................................................................. 253 TEST DECKS ..................................................................................................................... 253 PAVEMENT MARKING PERFORMANCE .................................................................. 253 PMST DEVELOPMENT ................................................................................................... 258 RESULTS ............................................................................................................................ 258 APPENDIX I. REVIEW OF LOGIT MODEL ANALYSIS ................................................. 267 MULTINOMIAL LOGIT MODEL .................................................................................. 267 NESTED LOGIT MODEL ................................................................................................ 267 ORDERED LOGIT AND ORDERED PROBIT MODEL ............................................. 268 MIXED LOGIT MODEL................................................................................................... 269 SUMMARY ......................................................................................................................... 269 REFERENCES .......................................................................................................................... 271 vi LIST OF FIGURES Figure 1. Photo. Example of NTPEP removable tape transverse test deck .................................... 6 Figure 2. Photo. Transverse test deck in Alaska ............................................................................. 6 Figure 3. Photo. Tusculum test deck section 1 TN-T presence failure ......................................... 25 Figure 4. Photo. Tusculum test deck section 5 TN-T a shallow groove-applied presence failures ... 26 Figure 5. Photo. Tusculum test deck section 5 TN-T b shallow groove-applied presence failures ... 26 Figure 6. Illustration. Map of 19 curve study sites in Tennessee ................................................. 40 Figure 7. Illustration. Horizontal curve traffic classifier layout ................................................... 42 Figure 8. Equation. Power analysis for sample size to detect a speed difference of 3 mi/h ......... 43 Figure 9. Equation. Power analysis for sample size to detect a lateral placement difference of 6 inches ..................................................................................................................................... 43 Figure 10. Equation. Power analysis for sample size to detect a speed difference of 3 mi/h with two interactions ..................................................................................................................... 43 Figure 11. Equation. Power analysis for sample size to detect a lateral placement difference of 6 inches with two interactions ................................................................................. 43 Figure 12. Screenshot. Map of Clark County, KS ........................................................................ 63 Figure 13. Screenshot. Map of Kearny County, KS ..................................................................... 65 Figure 14. Photo. Measurement from US 50/K25 junction to Lakin east city limit ..................... 67 Figure 15. Equation. General form of the mean of negative binominal regression ...................... 74 Figure 16. Equation. Predicted number of crashes in before period ............................................. 82 Figure 17. Equation. Expected number of crashes in before period ............................................. 82 Figure 18. Equation. Weight ......................................................................................................... 82 Figure 19. Equation. Estimated variance in expected number of crashes in before period .......... 82 Figure 20. Equation. Ratio of the sum of the annual SPF predictions for the after period ........... 83 Figure 21. Equation. Predicted number of crashes in after period with no countermeasure ........ 83 Figure 22. Equation. Estimated variance of predicted crashes in after period ............................. 83 Figure 23. Equation. Sum of predicted crashes for all sites in a treatment group ........................ 83 Figure 24. Equation. Variance of total predicted crashes for all sites in a treatment group ......... 83 Figure 25. Equation. Sum of observed crashes for all sites in a treatment group ......................... 83 Figure 26. Equation. Estimated index of effectiveness of a countermeasure ............................... 84 Figure 27. Equation. Estimated variance in estimated index of effectiveness .............................. 84 Figure 28. Equation. Standard error of estimated index of effectiveness ..................................... 84 Figure 29. Equation. Negative binomial regression model for interrupted time series ................ 91 Figure 30. Equation. Probability of a given crash having a specified severity using multinomial logit model ................................................................................................................ 97 Figure 31. Equation. Function for severity likelihood .................................................................. 97 Figure 32. Equation. Likelihood ratio index ................................................................................. 98 Figure 33. Photo. Applying paint with a truck sprayer ............................................................... 108 Figure 34. Photo. Applying preformed thermoplastic ................................................................ 110 Figure 35. Photo. Applying structured MMA ............................................................................. 111 Figure 36. Photo. Marking tape in recessed pavement groove ................................................... 112 Figure 37. Photo. Glass beads applied with bead gun on thermoplastic ..................................... 114 Figure 38. Photo. Double bead drop with flare nozzle guns on a liquid material ...................... 114 Figure 39. Photo. Glass bead application on a highway on the Tennessee test deck ................. 115 Figure 40. Photo. Glass beads in MMA ...................................................................................... 115 vii Figure 41. Graph. Mean ± standard deviation arsenic and total metals contents for the samples provided by AGBMA.................................................................................................... 120 Figure 42. Illustration. Pavement marking LCA model ............................................................. 129 Figure 43. Chart. Survey question 1—procurement process ...................................................... 140 Figure 44. Graph. Survey responses: type of specification versus material ............................... 141 Figure 45. Chart. Survey question 2—procurement process change .......................................... 142 Figure 46. Chart. Survey question 3—reasons for process change ............................................ 143 Figure 47. Graph. Survey responses: reasons for switching to performance-based specification ... 143 Figure 48. Chart. Survey question 4—expected and realized benefits ....................................... 144 Figure 49. Graph. Survey responses: benefits of switching to a performance- or warranty- based specification ...................................................................................................................... 145 Figure 50. Chart. Survey question 5—unintended consequences............................................... 145 Figure 51. Graph. Survey responses: unintended consequences of switching to a performance- or warranty-based specification ............................................................................ 146 Figure 52. Photo. Glenn Highway (SR 1 in Anchorage, AK) .................................................... 154 Figure 53. Screenshot. Proposed pavement marking installation sites (Anchorage, AK) .......... 154 Figure 54. Photo. Test section 3 (Anchorage, AK) ..................................................................... 155 Figure 55. Photo. Test section 5 (Anchorage, AK) ..................................................................... 155 Figure 56. Photo. Test section 6 (Anchorage, AK) ..................................................................... 156 Figure 57. Photo. Test section 7 (Anchorage, AK) ..................................................................... 156 Figure 58. Photo. Test section 8 (Anchorage, AK) ..................................................................... 157 Figure 59. Photo. Test section 9 (Anchorage, AK) ..................................................................... 157 Figure 60. Photo. SR 840 (Nashville, TN) .................................................................................. 160 Figure 61. Illustration. Proposed pavement marking installation sites (Nashville, TN) ............. 160 Figure 62. Illustration. Test sections 1 and 2 (Nashville, TN) .................................................... 161 Figure 63. Illustration. Test section 3 (Nashville, TN) ............................................................... 161 Figure 64. Illustration. Test sections 4 and 5 (Nashville, TN) .................................................... 162 Figure 65. Photo. SR 34 (Tusculum, TN) ................................................................................... 164 Figure 66. Illustration. Proposed pavement marking installation sites (Tusculum, TN) ............ 164 Figure 67. Illustration. Test section 1 (Tusculum, TN) .............................................................. 165 Figure 68. Illustration. Test section 2 (Tusculum, TN) .............................................................. 165 Figure 69. Illustration. Test sections 3 and 4 (Tusculum, TN) ................................................... 166 Figure 70. Graph. Retroreflectivity degradation sections 5 AK a and 5 AK b ........................... 169 Figure 71. Graph. Retroreflectivity degradation section 1 TN-N ............................................... 170 Figure 72. Graph. Retroreflectivity degradation section 2 TN-N ............................................... 170 Figure 73. Graph. Retroreflectivity degradation section 3 TN-N ............................................... 171 Figure 74. Graph. Retroreflectivity degradation section 4 TN-N ............................................... 171 Figure 75. Graph. Retroreflectivity degradation section 5 TN-N ............................................... 172 Figure 76. Graph. Retroreflectivity degradation section 6 TN-N ............................................... 172 Figure 77. Graph. Retroreflectivity degradation section 7 TN-N ............................................... 173 Figure 78. Graph. Retroreflectivity degradation section 8 TN-N ............................................... 173 Figure 79. Graph. Retroreflectivity degradation section 9 TN-N ............................................... 174 Figure 80. Graph. Retroreflectivity degradation sections 10 TN-N, 11 TN-N, and 12 TN-N ...... 174 Figure 81. Graph. Nighttime 98-ft (30-m) color degradation section 10 TN-N ......................... 175 Figure 82. Graph. 45-degree/0-degree color degradation section 10 TN-N ............................... 175 Figure 83. Graph. Nighttime 98-ft (30-m) color degradation section 11 TN-N ......................... 176 viii
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