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Transportation

Transportation : Maintenance and Preservation
ACRP Report 39: Recommended Guidelines for the Collection and Use of Geospatially Referenced Data for Airfield Pavement Management

TRB's Airport Cooperative Research Program (ACRP) Report 38: Understanding Airspace, Objects, and Their Effects on Airports provides a comprehensive description of the regulations, standards, evaluation criteria, and processes designed to protect the airspace surrounding airports.

The report is designed ...

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NCHRP Report 677: Development of Levels of Service for the Interstate Highway System

TRB's National Cooperative Highway Research Program (NCHRP) Report 667: Model Curriculum for Highway Safety Core Competencies presents course materials, including the instructor's guide and student workbook, for a fundamental highway safety training course. The course is designed to address the ...

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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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ACRP Synthesis 21: Airport Energy Efficiency and Cost Reduction

TRB's Airport Cooperative Research Program (ACRP) Synthesis 21: Airport Energy Efficiency and Cost Reduction explores energy efficiency improvements being implemented at airports across the country that are low cost and short payback. ...

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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 658: Guidebook on Risk Analysis Tools and Management Practices to Control Transportation Project Costs

TRB's National Cooperative Highway Research Program (NCHRP) Report 658: Guidebook on Risk Analysis Tools and Management Practices to Control Transportation Project Costs explores specific, practical, and risk-related management practices and analysis tools designed to help manage and control transportation project ...

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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 656: Criteria for Restoration of Longitudinal Barriers

TRB's National Cooperative Highway Research Program (NCHRP) Report 656: Criteria for Restoration of Longitudinal Barriers explores the identification of levels of damage and deterioration to longitudinal barriers that require repairs to restore operational performance. ...

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TCRP Report 71 Volume 7: Track-Related Research, Volume 7: Guidelines for Guard/Restraining Rail Installation

TRB's Transit Cooperative Research Program (TCRP) Report 71, Volume 7: Guidelines for Guard/Restraining Rail Installation explores two guard rail installation philosophies and the effects of vehicle types, wheel flange angle, wheel/rail friction coefficient, curve radius, cant deficiency, and track perturbation ...

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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.