United States Department of Transportation
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Synthesis of Best Application and Verification Practices for Long-Life Pavement Markings: Final Report
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2023-01-01
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[PDF-6.77 MB]
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Edition:Final Report September 2021–August 2022
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Abstract:Proper application of pavement markings plays an important role in enhancing the safety of roadway users. The purpose of this study is to carefully synthesize information on the usage of various types of pavement marking materials (including but not limited to the types of marking materials and quality control approaches, types of specifications, and application rate verification) to identify marking equipment ability and markings payment bases and develop recommendations with regard to different U.S. states and several foreign countries, and to compare them with the Texas Department of Transportation’s (TxDOT) pavement marking practices. To achieve these objectives, a comprehensive online survey was designed in which a wide range of practical information was collected with respect to marking material types and quality control approaches, types of specifications and application rate verification, and equipment and payment bases from field engineers in other states and countries. In addition, manuals and research papers or reports related to pavement marking materials for other state-level departments of transportation (DOTs) and foreign countries were thoroughly reviewed and synthesized. The TxDOT (2004) Pavement Marking Handbook does not incorporate more recently available marking technologies or quality control procedures for the new marking materials. The researchers therefore recommend adoption of best practices from other states and countries to improve the existing handbook. The implementation of the recommendations would help to enhance the efficiency of TxDOT pavement marking practices, including those for marking durability and retro-reflectivity.
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