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NCHRP Synthesis 408: Pavement Marking Warranty Specifications

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 408: Pavement Marking Warranty Specifications presents information on the use of pavement marking warranties by United States and Canadian transportation agencies, including agency specifications. European experience is also included in the report ...

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NCHRP Research Results Digest 346: Optical Sizing and Roundness Determination of Glass Beads Used in Traffic Markings: A Summary

TRB's National Cooperative Highway Research Program (NCHRP) Research Results Digest 346: Optical Sizing and Roundness Determination of Glass Beads Used in Traffic Markings summarizes the results of a project that examined the precision and bias of both optical and traditional ...

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NCHRP Report 655: Recommended Guide Specification for the Design of Externally Bonded FRP Systems for Repair and Strengthening of Concrete Bridge Elements

TRB's National Cooperative Highway Research Program (NCHRP) Report 655: Recommended Guide Specification for the Design of Externally Bonded FRP Systems for Repair and Strengthening of Concrete Bridge Elements examines a recommended guide specification for the design of externally bonded Fiber-Reinforced ...

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NCHRP Report 654: Evaluation and Repair Procedures for Precast/Prestressed Concrete Girders with Longitudinal Cracking in the Web

TRB's National Cooperative Highway Research Program (NCHRP) Report 654: Evaluation and Repair Procedures for Precast/Prestressed Concrete Girders with Longitudinal Cracking in the Web explores the acceptance, repair, or rejection of precast/prestressed concrete girders with longitudinal web cracking. The report also ...

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NCHRP Report 648: Mixing and Compaction Temperatures of Asphalt Binders in Hot-Mix Asphalt

TRB's National Cooperative Highway Research Program (NCHRP) Report 648: Mixing and Compaction Temperatures of Asphalt Binders in Hot-Mix Asphalt explores enhanced test methods for determining laboratory mixing and compaction temperatures of modified and unmodified asphalt binders. ...

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NCHRP Report 646: Validating the Fatigue Endurance Limit for Hot Mix Asphalt

TRB's National Cooperative Highway Research Program (NCHRP) Report 646: Validating the Fatigue Endurance Limit for Hot Mix Asphalt explores the existence of a fatigue endurance limit for hot mix asphalt (HMA) mixtures, the effect of HMA mixture characteristics on the ...

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NCHRP Report 634: Texturing of Concrete Pavements

TRB's National Cooperative Highway Research Program (NCHRP) Report 634: Texturing of Concrete Pavements explores a recommended process for determining the type of concrete pavement texture that may be used for a specific highway project. The process considers the effects of ...

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NCHRP Report 640: Construction and Maintenance Practices for Permeable Friction Courses

TRB's National Cooperative Highway Research Program (NCHRP) Report 640: Construction and Maintenance Practices for Permeable Friction Courses explores recommended practices for the design and construction of permeable friction courses (PFC) and examines PFC maintenance and rehabilitation.