TRB’s National Cooperative Highway Research Program (NCHRP) Report 764: Using Peer Exchanges to Improve the Effectiveness of Strategic Highway Safety Plans contains guidance for state departments of transportation on how to plan and conduct state-level peer exchanges as a means for identifying strategies, tactics, and practices to improve implementation, evaluation, and updating of their Strate...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 763: Evaluation of the Moisture Susceptibility of WMA Technologies presents proposed guidelines for identifying potential moisture susceptibility in warm mix asphalt (WMA). The report also suggests potential revisions to the Appendix to AASHTO R 35, “Special Mixture Design Considerations and Methods for WMA” as a means to implem...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 762: Laboratory Validation of an Endurance Limit for Asphalt Pavements presents models for the hot-mix asphalt fatigue endurance limit that are responsive to asphalt binder and mixture properties and healing between load cycles and are suitable for incorporation as algorithms in Pavement Mechanistic-Empirical Design and other de...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 761: Reference Guide for Applying Risk and Reliability-Based Approaches for Bridge Scour Prediction presents a reference guide designed to help identify and evaluate the uncertainties associated with bridge scour prediction including hydrologic, hydraulic, and model/equation uncertainty. For complex foundation systems and channe...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 760: Improving the Quality of Motorcycle Travel Data Collection presents an analysis of traffic counting technologies and data collection protocols designed to help improve the reliability of motorcycle travel data. The technologies examined include infrared classifiers, inductive loops/piezoelectric sensors, magnetometers, mult...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 759: Effective Removal of Pavement Markings aids in the selection of safe, cost-effective, and environmentally acceptable practices for the removal of work zone and permanent pavement markings. The practices highlighted in this report emphasize minimal damage to the underlying pavement or visible character of the surface course.

TRB’s National Cooperative Highway Research Program (NCHRP) Report 758: Trip Generation Rates for Transportation Impact Analyses of Infill Developments details a procedure for analyzing potential vehicular trip generation impacts in urban and urbanizing locales.

TRB’s National Cooperative Highway Research Program (NCHRP) Report 757: Long-Term Performance of Epoxy Adhesive Anchor Systems describes standard test methods and specifications, design guidelines and specifications, and quality assurance guidelines and construction specifications for the use of adhesive anchor systems in transportation structures.

TRB’s National Cooperative Highway Research Program (NCHRP) 756: Highway Safety Research Agenda: Infrastructure and Operations develops a proposed agenda of prioritized safety research needs in the area of highway infrastructure and operations. The report provides options to the U.S. transportation community on how to direct research to the areas where it can provide the most benefit. The agend...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 755: Comprehensive Costs of Highway-Rail Grade Crossing Crashes describes a process for estimating the costs of highway-rail grade crossing crashes. A spreadsheet-based tool to facilitate use of the cost estimation process is available online.

TRB’s National Cooperative Highway Research Program (NCHRP) Report 754: Improving Management of Transportation Information is a selective review of practices of state departments of transportation (DOTs) and other agencies that collect, store, and use transportation data and information. The report also includes potential guidance on strategies and actions a DOT might implement to help improve ...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 753: A Pre-Event Recovery Planning Guide for Transportation is designed to help transportation owners and operators in their efforts to plan for recovery prior to the occurrence of an event that impacts transportation systems. The guide includes tools and resources to assist in both pre-planning for recovery and implementing rec...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 752: Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content describes proposed revisions to the American Association of State Highway and Transportation Officials (AASHTO) R 35, Superpave Volumetric Design for Hot Mix Asphalt, and AASHTO M 323, Superpa...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 751: Renewable Energy Guide for Highway Maintenance Facilities offers guidance for the application of renewable energy technologies for the heating and cooling, lighting, and electrical power requirements of highway maintenance facilities.

TRB’s National Cooperative Highway Research Program (NCHRP) Report 750, Volume 3: Strategic Issues Facing Transportation, Volume 3: Expediting Future Technologies for Enhancing Transportation System Performance presents the systematic technology reconnaissance, evaluation, and adoption methodology (STREAM). STREAM is a process that transportation agencies can use to identify, assess, shape, and...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 750: Strategic Issues Facing Transportation, Volume 2: Climate Change, Extreme Weather Events, and the Highway System: Practitioner’s Guide and Research Report provides guidance on adaptation strategies to the likely impacts of climate change through 2050 in the planning, design, construction, operation, and maintenance of infra...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 750: Strategic Issues Facing Transportation, Volume 1: Scenario Planning for Freight Transportation Infrastructure Investment analyzes the driving forces behind high-impact economic and social changes as well as sourcing patterns that may affect the U.S. freight transportation system. The report also introduces scenario planning...

TRB’s National Cooperative Highway Research Program (NCHRP) 749: Methods for Evaluating Fly Ash for Use in Highway Concrete presents suggested changes to coal fly ash specifications and test protocols contained in American Association of State Highway and Transportation Officials (AASHTO) Standard Specifications for Transportation Materials and Methods of Sampling and Testing (AASHTO M 295). Th...

TRB’s National Cooperative Highway Research Program (NCHRP) Report 748: Guidelines for the Use of Mobile LIDAR in Transportation Applications presents guidelines for the application of mobile 3D light detection and ranging (LIDAR) technology for use in the operations of state departments of transportation. Mobile LIDAR uses laser scanning equipment mounted on vehicles in combination with global...

TRB’s National Cooperative Highway Research Program Report 747: Guide for Conducting Forensic Investigations of Highway Pavements explores a process for conducting forensic investigations of pavements that is designed to help understand the reasons behind premature failures or exceptionally good performance. The process also allows for the collection of data for use in developing or calibrating...