Moving research into practice is the theme of feature articles in the July–August 2017 TR News magazine. Authors describe today’s successes, present a systematic approach that has proved effective at a state department of transportation, describe federal programs encouraging innovations at the state level, discuss initiatives by research programs to promote and document the implementation of re...

TRB's Airport Cooperative Research Program (ACRP) Synthesis 85: Alternative Fuels in Airport Fleets is designed to assist airport operators in analyzing complex procurement, operational, and environmental decisions when considering alternative fuels in airport fleets. Airports own and contract fleets to transport passengers, staff, and goods by on- and off-road vehicles. Although most transport...

The latest of TRB's National Cooperative Highway Research Program (NCHRP) Ready Results explores new technologies and practices to inspect culvert and storm drains. The manual assists transportation agencies with incorporating culverts into modern asset management systems—a move that allows agencies to improve the way they prioritize rehabilitation activities and more clearly demonstrate the ne...

The latest of TRB's National Cooperative Highway Research Program (NCHRP) Ready Results summarizes nondestructive evaluation (NDE) methods for assessing the condition of in-service post-tensioning and stay cable systems. Post-tensioned (PT) girder bridges and stay cable bridges pose a challenge to bridge inspectors because steel tendons used as the primary structural support in these bridges ar...

A featured article in the May-June 2017 issue of the TR News examines how to develop appropriate evaluation frameworks that account for the integration of new technologies into the infrastructure in order to accurately value the current highway system. The TR News is TRB's bimonthly magazine featuring timely articles on innovative and state-of-the-art research and practice in all modes of trans...

The latest of TRB's National Cooperative Highway Research Program (NCHRP) Ready Results explores guidelines to prevent failures in small-movement expansion joints (SMEJs) on bridges. SMEJs enable a bridge to accommodate movements caused by temperature changes and rotation, while also directing water and deicing chemicals off the deck and away from the bridge. This summary explores research aime...

The latest edition of Research Pays Off examines how the Ohio Department of Transportation (ODOT) has collaborated with Ohio districts and counties in the research process in order to solve common transportation challenges and save costs. The TR News is TRB's bimonthly magazine featuring timely articles on innovative and state-of-the-art research and practice in all modes of transportation. It ...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2612 consists of 17 papers that explore maintenance and preservation, including: Travel Quality Assessment of Urban Roads Based on International Roughness Index: Case Study in Colombia Use of Crack Characteristics in Crack Sealing Performance Modeling and Network-Level Project Selection Method for Ranking Re...

TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 236: Incorporating Slab/Underlying Layer Interaction into the Concrete Pavement Analysis Procedures develops mechanistic-empirical (M-E)  models (and software) to consider the interaction between the concrete slab and base layer and its effect on pavement performance. The current American Association of State Hig...

TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 235: Quantifying the Influence of Geosynthetics on Pavement Performance develops a methodology for quantifying the influence of geosynthetics on pavement performance for use in pavement design and analysis. This project focused on the use of geosynthetics in unbound base/subbase layers or as a base/subgrade interface ...

TRB's National Cooperative Highway Research Program (NCHRP) Innovations Deserving Exploratory Analysis (IDEA) Program has released Report 175: Rapid Detection of Fatigue Cracking in Steel Anchor Rods Using the Impulse Response Method. The report explores the development of a rapid screening nondestructive test procedure utilizing stress wave interrogation that could detect fatigue cracks in ste...

The May-June 2017 edition of the TR News explores the role of transportation in economic development. Articles feature information about benefit-cost analysis, freight production models, transportation satellite accounts, and right sizing strategies. The TR News is TRB's bimonthly magazine featuring timely articles on innovative and state-of-the-art research and practice in all modes of transpo...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2617 consists of 11 papers that explore visibility and work zone traffic control, including: Field Evaluation of Pilot Vehicles and Portable Traffic Control Signals With and Without a Flagger Effects of Full Matrix Color Changeable Message Signs on Legibility and Roadway Hazard Visibility Influence of Truck-...

TRB has released its requirements for submitting papers for presentation at the 2018 TRB Annual Meeting and/or publication in the Transportation Research Record: Journal of the Transportation Research Board . This guide covers the organization and formatting of manuscripts for peer review and for publication, as well as instructions for submission. Papers that do not follow the guidelines will ...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2613 consists of 10 papers that explore traffic and equipment maintenance, especially with regards to weather, including: Use of Calorimetry to Measure Ice-Melting Capacity Investigating Safety Effectiveness of Wyoming Snow Fence Installations Along a Rural Mountainous Freeway Relating Public Opinions of Roa...

A featured article in the March-April 2017 issue of the TR News highlights photos from the 96th TRB Annual Meeting, January 8-12, 2017. The article features photographs of sessions, workshops, committee meetings, and awards. Bruce M. Smith, Apperson Crump PLC, and General Counsel, Memphis Area Transit Authority, delivered the delivered the 2017 Thomas B. Deen Distinguished Lecture on “Ethical I...

A featured article in the March-April 2017 issue of the TR News highlights photos from the 96th TRB Annual Meeting, January 8-12, 2017. The article features photographs of sessions, workshops, committee meetings, and awards. Bruce M. Smith, Apperson Crump PLC, and General Counsel, Memphis Area Transit Authority, delivered the delivered the 2017 Thomas B. Deen Distinguished Lecture on “Ethical I...

TRB's Transit Cooperative Research Program (TCRP) Synthesis 129: Managing Extreme Weather at Bus Stops documents current practices of transit systems to determine methods and procedures used for maintaining transit stops and associated infrastructure during and following such weather events. This synthesis provides a state-of-the-practice report on transit systems' management of extreme weather...

TRB's National Cooperative Highway Research Program (NCHRP) Research Report 848: Inspection Guidelines for Bridge Post-Tensioning and Stay Cable Systems Using NDE Methods describe nondestructive evaluation (NDE) methods for assessing the condition of in-service post-tensioning and stay cable systems. The NDE methods outlined in this report explore different condition assessments, including corr...

TRB's National Cooperative Highway Research Program (NCHRP) Innovations Deserving Exploratory Analysis (IDEA) Project 176: Contactless Electrode for Fast Survey of Concrete Reinforcement Corrosion explores the development of an alternative, fast responding, noncontacting electrode for rapid assessment of corrosion condition of bridges. The method requires no surface pretreatment and avoids much...

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 502: Practices for Establishing Contract Completion Dates for Highway Projects documents current methodologies and procedures used by state transportation agencies to estimate contract time for various highway project delivery methods. Establishing contract time is an important part of the highway project development process ...

TRB's National Cooperative Freight Research Program (NCFRP) Research Report 37: Using Commodity Flow Survey Microdata and Other Establishment Data to Estimate the Generation of Freight, Freight Trips, and Service Trips: Guidebook provides policy makers with improved establishment-level models that estimate the Freight Trip Generation (FTG), the number of vehicle trips produced and attracted at ...

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 505: Current Practices and Guidelines for the Reuse of Bridge Foundations provides guidance on reusing bridge foundations, a sustainable option for many bridge replacement and rehabilitation efforts that can result in time and cost savings as well as reduced mobility impacts and environmental benefits. However, foundation reu...

TRB's National Cooperative Highway Research Program (NCHRP) Research Report 837: Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments presents emulsion performance grade (EPG) specifications for asphalt emulsions used in three pavement preservation surface treatments (PSTs): chip seal, microsurfacing, and spray seals. These EPG specificatio...

A featured article in the November-December 2016 issue of the TR News highlights the challenges of freight transportation with regards to meeting new emissions standards. The TR News is TRB's bimonthly magazine featuring timely articles on innovative and state-of-the-art research and practice in all modes of transportation. It also includes brief news items of interest to the transportation com...

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 501: Pavement Management Systems: Putting Data to Work documents current pavement management practices in state and provincial transportation agencies. The report focuses on the use of pavement management analysis results for resource allocation, determining treatment cost-effectiveness, program development, and communication...

TRB's National Cooperative Highway Research Program (NCHRP) Report 820: Framework for a Pavement-Maintenance Database System provides a uniform format for collecting, reporting, and storing information on pavement-maintenance actions. The framework may facilitate usage of the data in cost-benefit analyses, evaluation of the effects of maintenance on pavement performance, selection of maintenanc...

TRB's National Cooperative Highway Research Program (NCHRP) Innovations Deserving Exploratory Analysis (IDEA) Report 157: Development of an Intrinsically Conducting Polymer-Based Low-Cost, Heavy-Duty, and Environmentally-Friendly Coating System for Corrosion Protection of Structural Steels explores the use of Intrinsically Conducting Polymer for developing a more cost-effective, heavy-duty, and...

TRB's Airport Cooperative Research Program (ACRP) latest Impacts on Practice explores how Manchester-Boston Regional Airport (MHT) used  ACRP Report 117 : Airport Escalators and Moving Walkways—Cost-Savings and Energy Reduction Technologies to assist with the decision to install energy-saving variable demand/variable speed motors on the moving walkways and escalators in the airport. MHT al...

TRB's E-Circular 216: International Experience and Perspective of Pavement Texture Measurements and Evaluation includes a synopsis of five presentations at the workshop “International Experience and Perspective of Pavement Texture Measurements and Evaluation” held at TRB's 94th Annual Meeting, January 11-15, 2015, in Washington, D.C. The presentations explore methods used in the United States, ...