TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2619 consists of 9 papers that explore traffic signal systems, including: Adaptive Coordination Based on Connected Vehicle Technology Safety-Based Left-Turn Phasing Decisions for Signalized Intersections Framework for Quantitative Annual Evaluation of Traffic Signal Systems Interlinking Vissim and ns-3 for C...

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 Transportation Research Record: Journal of the Transportation Research Board, No. 2618 consists of 9 papers that explore geometrics and access management, including: Access Spacing Based on Turning-Vehicle Acceleration In-Depth Investigation of Wrong-Way Crashes on Divided Highways in Alabama with Use of the Haddon Matrix and Field Observations Lane Utilization Model Development for Diver...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2646 consists of 10 papers that explore freight data and asset management, including: Role of Culture in Adoption of Enterprise Collaboration Technologies: Case Study Economic Impacts from Geologic Hazard Events on Colorado Department of Transportation Right-of-Way Advancing Urban Multimodal Transportation S...

TRB's National Cooperative Highway Research Program (NCHRP) Research Report 854: Guide for Identifying, Classifying, Evaluating, and Mitigating Truck Freight Bottlenecks provides transportation agencies state-of-the-practice information on truck freight bottlenecks using truck probe data rather than traditional travel demand models. The report embraces a broad definition of truck freight bottle...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2637 consists of 12 papers that explore motorcycles, trucks, buses, and roundabouts, including: Safety Effects of Horizontal Curve Design on Motorcycle Crash Frequency on Rural, Two-Lane, Undivided Highways in Florida Investigating Total Annual Average Daily Traffic as a Surrogate for Motorcycle Volumes in E...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2624 consists of 6 papers that explore traffic control devices, including: Empirical Assessment of the Legibility of the Highway Gothic and Clearview Signage Fonts Driver Accuracy in Identifying Food and Attraction Targets on Business Logo Signs: Impacts of Driver Age, Number of Panels, Logo Familiarity, and...

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...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2644 consists of 13 papers exploring traffic monitoring, including: Sensor Location Decision Model for Truck Flow Measurement Bicycle and Pedestrian Counts at Signalized Intersections Using Existing Infrastructure: Opportunities and Challenges Quality Assurance and Quality Control Processes for a Large-Scale...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2624 consists of 6 papers that explore visibility and work zone traffic control, including: Empirical Assessment of the Legibility of the Highway Gothic and Clearview Signage Fonts Driver Accuracy in Identifying Food and Attraction Targets on Business Logo Signs: Impacts of Driver Age, Number of Panels, Logo...

TRB's Airport Cooperative Research Program (ACRP) Synthesis 80: Estimating Truck Trip Generation for Airport Air Cargo Activity compiles existing information about air cargo truck trip generation studies. The existing literature and research regarding air cargo facility-related truck trip generation rates is limited in its scope and detail. In addition, the complexity of the modern air cargo in...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2625, includes 7 papers that explore information related to connected and automated vehicles, including: Analysis of the Effects of Connected–Automated Vehicle Technologies on Travel Demand Driving Mode Decision Making for Intelligent Vehicles in Stressful Traffic Events Lane-Changing Feedback Control for Ef...

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...

The latest of TRB's National Cooperative Highway Research Program (NCHRP) Ready Results explores the Life-Cycle Cost Estimation Tool (LCCET), a spreadsheet-based tool for comparing the life-cycle costs of alternative designs for new and existing intersections. Designed for flexibility, the tool allows engineers to conduct analyses across different system configurations and consider a wide range...

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 National Cooperative Highway Research Program (NCHRP) Research Report 844: Guide for Integrating Goods and Services Movement by Commercial Vehicles in Smart Growth Environments describes policy, planning, design, and operations practices considering the coexistence of moving goods and services in smart growth environments at both the design and implementation stages as well as retroactive...

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 507: Traffic Signal Preemption at Intersections Near Highway–Rail Grade Crossings documents the current practices of traffic signal preemption deployed at intersections adjacent to railway grade crossing in both the United States and Canada. The study provides information on practices dealing with traffic signal preemption, m...

TRB's National Cooperative Research Program (NCHRP) Report 841: Development of Crash Modification Factors for Uncontrolled Pedestrian Crossing Treatments quantifies the safety benefits of four types of pedestrian crossing treatments—rectangular rapid flashing beacons, pedestrian hybrid beacons, pedestrian refuge islands, and advanced YIELD or STOP markings and signs—and presents a crash modific...

TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 229: Methods and Technologies for Pedestrian and Bicycle Volume Data Collection: Phase 2 explores automated count technologies that capture pedestrian and bicycle volume data. The publication focuses on technologies that came onto the market too late to be included in previous Phase 1 research. Findings from Phase 1 a...

TRB’s Airport Cooperative Research Program (ACRP) Report 50: Improved Models for Risk Assessment of Runway Safety Areas analyzes aircraft veer-offs, the use of declared distances, the implementation of the Engineered Material Arresting System (EMAS), and the incorporation of a risk approach for consideration of obstacles in or in the vicinity of the runway safety area (RSA). An interactive risk...

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 Transportation Research Record: Journal of the Transportation Research Board, No. 2561 consists of 11 papers that explore traffic signal systems, including: Hybrid Multimodal and Intermodal Transport Simulation: Case Study on Large-Scale Evacuation Planning Effects of Autonomous Vehicle Behavior on Arterial and Freeway Networks Generalized Adaptive Smoothing Method for State Estimation of...

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) Research Report 834: Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities: A Guidebook presents guidance on the application of crossing solutions at roundabouts and channelized turn lanes at signalized intersections for pedestrians with vision disabilities. This publication will be of in...

TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 222: Guidelines for the Application of Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities provides guidance to engineers and planners on the design of roundabouts and channelized turn lanes for accessibility. NCHRP Web-Only Document 222 is the final report for NCHRP R...

TRB's E-Circular 218: Advancing Freeway Operations Through Strategic Research captures the state of affairs in freeway operations and reflects on the known universe of tools, techniques, and trends in emerging technologies in freeway management. From predictive software to electronic surveillance systems, operations have advanced rapidly in the past two decades. This publication will aid transp...