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309Â Â Frequency of Use of Pavement- Marking Removal Methods Based on Frequency of Use of Traffic Paint, Tabs, and Temporary Tape A P P E N D I X H Table H-1. Survey results for frequency of use of pavement-marking removal methods based on frequency of use of paint. Frequency of Use of Traffic Paint Statistic G rin di ng Sa nd bl as tin g Sh ot B la st in g W at er B la st in g M ill in g B la ck T ap e Sl ur ry S ea l O th er (5=Always, 4=Almost Always, 3=Sometimes, 2=Rarely, 1=Never) All Average 2.80 1.94 1.77 2.76 1.76 1.78 1.22 1.50 Standard Deviation 1.11 0.98 0.91 0.99 0.92 1.05 0.63 1.21 Number of Responses 50 48 47 49 46 49 46 16 Always Average 2.82 1.36 1.64 3.27 1.82 1.36 1.18 1.80 Standard Deviation 1.25 0.67 0.92 1.01 0.98 0.81 0.60 1.30 Number of Responses 11 11 11 11 11 11 11 5 Almost Always Average 2.75 2.37 2.11 2.67 1.89 1.55 1.28 1.00 Standard Deviation 1.07 1.16 1.02 0.97 1.13 0.83 0.57 0.00 Number of Responses 20 19 18 21 18 20 18 5 Sometimes Average 2.90 2.10 1.90 2.89 1.78 2.33 1.33 1.00 Standard Deviation 0.88 0.57 0.74 0.93 0.67 1.00 1.00 0.00 Number of Responses 10 10 10 9 9 9 9 2 Rarely Average 2.00 1.50 1.00 2.00 2.00 4.00 1.00 n/a Standard Deviation 1.00 0.71 0.00 0.00 0.00 0.00 0.00 n/a Number of Responses 3 2 2 2 2 3 2 0 Never Average 3.17 1.50 1.00 2.17 1.17 1.33 1.00 2.00 Standard Deviation 1.47 0.84 0.00 0.98 0.41 0.82 0.00 2.00 Number of Responses 6 6 6 6 6 6 6 4
310 Temporary Pavement Markings Placement and Removal Practices in Work Zones Table H-2. Survey results for frequency of use of pavement-marking removal methods based on frequency of use of tabs. Frequency of Use of Tabs Statistic G rin di ng Sa nd bl as tin g Sh ot B la st in g W at er B la st in g M ill in g B la ck T ap e Sl ur ry S ea l O th er (5=Always, 4=Almost Always, 3=Sometimes, 2=Rarely, 1=Never) All Average 2.80 1.94 1.77 2.76 1.76 1.78 1.22 1.50 Standard Deviation 1.11 0.98 0.91 0.99 0.92 1.05 0.63 1.21 Number of Responses 50 48 47 49 46 49 46 16 Always Average 3.00 1.33 1.67 2.67 1.00 1.67 1.00 4.50 Standard Deviation 2.00 0.58 1.15 2.08 0.00 1.15 0.00 0.71 Number of Responses 3 3 3 3 3 3 3 2 Almost Always Average 2.88 2.43 1.86 2.67 1.40 2.29 1.60 1.00 Standard Deviation 1.13 0.79 0.90 1.03 0.55 1.25 0.89 0.00 Number of Responses 8 7 7 6 5 7 5 2 Sometimes Average 2.46 1.85 1.92 3.07 1.85 1.69 1.31 1.00 Standard Deviation 0.88 0.80 0.86 1.07 0.99 1.03 0.85 n/a Number of Responses 13 13 13 14 13 13 13 1 Rarely Average 3.17 2.50 1.67 2.50 1.67 2.17 1.00 1.00 Standard Deviation 1.33 1.52 0.82 0.84 0.82 1.17 0.00 0.00 Number of Responses 6 6 6 6 6 6 6 2 Never Average 2.85 1.74 1.67 2.65 1.95 1.55 1.16 1.11 Standard Deviation 1.09 0.93 1.03 0.81 1.03 0.94 0.50 0.33 Number of Responses 20 19 18 20 19 20 19 9
Frequency of Use of Pavement-Marking Removal Methods Based on Frequency of Use of Trafc Paint, Tabs, and Temporary Tape 311Â Â Table H-3. Survey results for frequency of use of pavement-marking removal methods based on frequency of use of temporary tape. Frequency of Use of Temporary Tape Statistic G rin di ng Sa nd bl as tin g Sh ot B la st in g W at er B la st in g M ill in g B la ck T ap e Sl ur ry S ea l O th er (5=Always, 4=Almost Always, 3=Sometimes, 2=Rarely, 1=Never) All Average 2.80 1.94 1.77 2.76 1.76 1.78 1.22 1.50 Standard Deviation 1.11 0.98 0.91 0.99 0.92 1.05 0.63 1.21 Number of Responses 50 48 47 49 46 49 46 16 Always Average 2.00 2.00 1.00 3.00 2.00 1.00 1.00 n/a Standard Deviation n/a n/a n/a n/a n/a n/a n/a n/a Number of Responses 1 1 1 1 1 1 1 0 Almost Always Average 2.56 1.89 2.00 2.89 1.56 2.56 1.11 1.00 Standard Deviation 1.01 1.05 1.12 1.27 0.73 1.01 0.33 n/a Number of Responses 9 9 9 9 9 9 9 1 Sometimes Average 2.47 2.00 1.81 2.53 1.93 1.88 1.43 1.83 Standard Deviation 1.07 0.89 0.91 0.99 1.14 1.15 0.94 1.60 Number of Responses 17 16 16 15 14 16 14 6 Rarely Average 3.00 2.22 2.13 3.09 1.56 1.50 1.11 2.00 Standard Deviation 1.15 0.83 0.83 0.70 0.88 0.71 0.33 1.73 Number of Responses 10 9 8 11 9 10 9 3 Never Average 3.33 1.67 1.42 2.67 1.83 1.17 1.17 1.00 Standard Deviation 1.15 1.23 0.79 1.07 0.94 0.58 0.58 0.00 Number of Responses 12 12 12 12 12 12 12 6
Abbreviations and acronyms used without definitions in TRB publications: A4A Airlines for America AAAE American Association of Airport Executives AASHO American Association of State Highway Officials AASHTO American Association of State Highway and Transportation Officials ACIâNA Airports Council InternationalâNorth America ACRP Airport Cooperative Research Program ADA Americans with Disabilities Act APTA American Public Transportation Association ASCE American Society of Civil Engineers ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials ATA American Trucking Associations CTAA Community Transportation Association of America CTBSSP Commercial Truck and Bus Safety Synthesis Program DHS Department of Homeland Security DOE Department of Energy EPA Environmental Protection Agency FAA Federal Aviation Administration FAST Fixing Americaâs Surface Transportation Act (2015) FHWA Federal Highway Administration FMCSA Federal Motor Carrier Safety Administration FRA Federal Railroad Administration FTA Federal Transit Administration GHSA Governors Highway Safety Association HMCRP Hazardous Materials Cooperative Research Program IEEE Institute of Electrical and Electronics Engineers ISTEA Intermodal Surface Transportation Efficiency Act of 1991 ITE Institute of Transportation Engineers MAP-21 Moving Ahead for Progress in the 21st Century Act (2012) NASA National Aeronautics and Space Administration NASAO National Association of State Aviation Officials NCFRP National Cooperative Freight Research Program NCHRP National Cooperative Highway Research Program NHTSA National Highway Traffic Safety Administration NTSB National Transportation Safety Board PHMSA Pipeline and Hazardous Materials Safety Administration RITA Research and Innovative Technology Administration SAE Society of Automotive Engineers SAFETEA-LU Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (2005) TCRP Transit Cooperative Research Program TDC Transit Development Corporation TEA-21 Transportation Equity Act for the 21st Century (1998) TRB Transportation Research Board TSA Transportation Security Administration U.S. DOT United States Department of Transportation
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