Papers released the week of September 2 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: High-Performance Impact-Resistant Concrete Mixture for Transportation Infrastructure Applications - Qian Zhang, Jovan Tatar, Kamal Baral For more than 50 years, the Transportation Research Record has been internationally recog...

Papers released the week of August 26 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: On the Spatial Evolution of Traffic State Transitions: Empirical Observations and General Features - George Saman, Soyoung Ahn, Paulina Reina Study of Factors Affecting Curing of Asphalt Emulsion Tack Coats - Daniel Swiertz, Hus...

Papers released the week of August 19 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: US Commuter Rail Renaissance: A 30-Year Progress Report - David O. Nelson, Katherine K. O’Neil System-Level Fault Prognosis for High-Speed Railway On-Board Systems - Yu Zang, Wei ShangGuan, Bai-Gen Cai, Hua-Shen Wang, Lovlesh Ka...

Papers released the week of August 12 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Development and Implementation of a Multi-Level Roadway Segmentation Methodology - Reza Omrani, Goran Nikolic, Ali Hadayeghi, Amer Shalaby System-Level Fault Prognosis for High-Speed Railway On-Board Systems - Lovlesh Kaushik, Y...

Papers released the week of August 5 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Effectiveness of Seasonal Deer Advisories on Changeable Message Signs as a Deer Crash Mitigation Tool - Bridget M. Donaldson, Young-Jun Kweon STEM K-12 Outreach as the Root of Transportation Education: Experiences from the Railwa...

Papers released the week of July 29 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Vision-Based Navigation of Autonomous Vehicles in Roadway Environments with Unexpected Hazards - Mashrur Chowdhury, Hongda Li, Mhafuzul Islam, Hongxin Hu Evaluation of a Training Intervention to Improve Novice Drivers' Hazard Miti...

Papers released the week of July 22 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: System-Level Optimization of Multi-Modal Transportation Networks for Energy Efficiency using Personalized Incentives: Formulation, Implementation, and Performance - David Sukhin, Sayeeda Ayaz, Yihang Sui, Carlos Lima Azevedo, Ravi...

Papers released the week of July 15 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Artificial Intelligence Assisted Infrastructure Assessment using Mixed Reality Systems - Enes Karaaslan, Ulas Bagci, Fikret Necati Catbas Long-Term Aging Performance Analysis of Oil Modified Asphalt Binders - Albert Kilger, Daniel...

TRB’s Airport Cooperative Research Program (ACRP) Web-Only Document 40 outlines the key research gaps and areas of topics of interest for airports in the design and construction field over the next five years. The research ideas generated as part of this project are organized into seven high‐level themes that represent the main areas and challenges of interest to airports in design and construc...

Papers released the week of July 8 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Perturbation Methods for Protection of Sensitive Location Data: Smartphone Travel Survey Case Study - Zachary Patterson, Godwin Badu-Marfo, Bilal Farooq Privacy Implication of Location-Based Service: Multi-Class Stochastic User Equ...

TRB Special Report 331 concludes that with sustained and adequate funding and modest improvements in research, development, and technology (RD&T), the Federal Highway Administration (FHWA) and the Intelligent Transportation Systems Joint Program Office (ITS JPO) will continue to serve and advance the national interest and international competitiveness well into the future. TRB’s Research an...

Papers released the week of July 1 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Bicyclist Crash Comparison of Mixing Zone and Fully Split Phase Signal Treatments at Intersections with Protected Bicycle Lanes in New York City - Sean M. Quinn, Carl A. Sundstrom, Roger Weld Total Recycled Asphalt Mixes: Character...

Papers released the week of June 24 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Physical Accessibility and Employment among Older Adults in California - Evelyn Blumenberg, Andrew Schouten, Miriam Pinski, Martin Wachs Bicyclist Crash Comparison of Mixing Zone and Fully Split Phase Signal Treatments at Intersec...

TRB Special Report 330: Performance of Bridges That Received Funding Under the Innovative Bridge Research and Construction Program, examines the results of a federal program to promote innovation in highway bridge construction. The report provides recommendations to Congress on how the installed and life-cycle costs of bridges could be reduced through the use of innovative materials and technol...

Papers released the week of June 17 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: A Novel Approach for Identifying, Diagnosing, and Treating Active Transportation Safety Issues - Ahmed Osama, Tarek Sayed Benefits and Pitfalls of Deregulating Taxi Markets: Can Contrasted Case Studies Help Inform the Debate? - Vi...

TRB’s Technical Activities Division has released Transportation Research Circular E-C245: Transportation Oral History: State of the Practice and a Path Forward that highlights the availability of more than 1,000 transportation oral histories and includes a proposal for the creation of a guidebook that transportation organizations could use to create their own oral histories. The circular also e...

Papers released the week of June 10 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Data Collection and Modeling Results to Permit Estimation of Meteorological Effects on Roadway Noise - Roger L. Wayson, Kenneth Kaliski, John M. MacDonald, Erik M. Salomons, Darlene D. Reiter Extracting Horizontal Curvature Data f...

Papers released the week of June 3 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Wreck on the Highway: Intersectionality of Driver Culpability, Tetrahydrocannabinols, Other Intoxicants and Fatalities in Washington State - Youngki Woo, Dale W. Willits, Mary K. Stohr, Craig Hemmens, Staci Hoff Development of Risk...

Papers released the week of May 27 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Steel Material Degradation Assessment Via Vibro-Acoustic Modulation Technique - Majid G. Ramezani, Behnoush Golchinfar, Dimitri Donskoy, Sophia Hassiotis, Giri Venkiteela Practical Approach to Mix Design with High Binder and Aggreg...

Exploring Preferences for Transportation Modes in an Urban Air Mobility Environment: Munich Case Study - Mengying Fu, Raoul Rothfeld, Constantinos Antoniou The Promise of Virtual Reality Headsets: Can They be Used to Measure Accurately Drivers’ Hazard Anticipation Performance? - Ganesh Pai Mangalore, Yalda Ebadi, Siby Samuel, Michael A. Knodler, Donald L. Fisher Bicyclist Crash Types on Nationa...

Papers released the week of May 13 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Developing a Process for Deploying Systemic Countermeasures at Unsignalized Intersections: Case Study of Virginia - Benjamin H. Cottrell, Jr., In-Kyu Lim Integrated Traffic Control for Freeways using Variable Speed Limits and Lane ...

Papers released the week of May 6 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Application of High-Resolution Trip Trace Stitching to Evaluate Traffic Signal System Changes - Howell Li, Jamie Mackey, Matt Luker, Mark Taylor, Darcy M. Bullock Pediatric Restraint Use and Injury in New York City Taxis Compared wi...

Papers released the week of April 30 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Modeling Wrong-Way Driving Entries at Limited Access Facility Exit Ramps in Florida - Md Imrul Kayes, Adrian Sandt, Haitham Al-Deek, Nizam Uddin, John H. Rogers, Jr., Grady Carrick Driver Back-Tracing Based on Automated Vehicle I...

TRB's Transit Research Analysis Committee (TRAC) has delivered a letter report to Mr. Vincent Valdes, Associate Administrator for Research, Demonstration, and Innovation at the Federal Transit Administration (FTA). The April 22, 2019 letter report provides feedback to FTA on its innovation initiatives that are a focus of the administration’s research plan. TRAC, an interdisciplinary committee o...

Papers released the week of April 22 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Analysis of Flood Vulnerability and Transit Availability with a Changing Climate in Harris County, Texas - Joshua A. Pulcinella, Arne M. E. Winguth, Diane Jones Allen, Niveditha Dasa Gangadhar Turning Maneuver Effect on Near-Surf...

TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 522: Managing State Transportation Research Programs identifies the current state of practice of managing state transportation research programs. The report highlights existing resources, desired individual skill sets, core competencies, and structures that are in place for departments of transportation (DOTs) to manage and c...

TRB’s Airport Cooperative Research Program (ACRP) Research Results Digest 28: Thought Leader Forum Summary—Emerging Issues for ACRP summarizes a January 30, 2019, forum to identify the most important issues facing the airport industry within the next 5 to 10 years. The goal of this exercise was to engage the ACRP’s Airport Operations Committee (AOC) directly with other thought leaders in the in...

Papers released the week of April 15 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Electric Transit Route Network Design Problem: Model and Application - Christina Iliopoulou, Ioannis Tassopoulos, Konstantinos Kepaptsoglou, Grigorios Beligiannis Framing the Bicyclist: A Qualitative Study of Media Discourse abou...

Papers released the week of April 8 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Demand Calibration of Multimodal Microscopic Traffic Simulation using Weighted Discrete SPSA - Simon Oh, Ravi Seshadri, Carlos Lima Azevedo, Moshe E. Ben-Akiva Comparison of Traffic Conflict Indicators for Crash Estimation using P...

Papers released the week of April 1 through the Transportation Research Record: Journal of the Transportation Research Board OnlineFirst portal include the following: Use of Open Data to Assess Cyclist Safety in London - Daniel J. Collins, Daniel J. Graham Toll Choice and Stochastic User Equilibrium: Ticking All the Boxes - Jan C. Zill, Pedro Camargo, Naznin Sultana Daisy, Tim Veitch Pasadena’s...