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SHRP 2 Safety Data Update |
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TRB’s second Strategic Highway Research Program (SHRP 2) has released its latest Safety Data Update. The update provides the latest information about implementation of the SHRP 2 safety database, which is the main product of the Safety focus area of the SHRP 2 Program.
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TRB Webinar: Tools for Analysis of Capacity and Efficient Flow for Roundabout Design: Part I |
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TRB will conduct a webinar on May 6, 2015, from 1:00pm to 3:00pm ET that will cover SIDRA Intersection & VISSIM—two software packages used by states for analyzing capacity and traffic flow necessary for efficient operation during the roundabout design phase. This is the first of a series of three webinars that will cover seven software...
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TRB Webinar: 20 Years of Advancements in Roundabout Design, Roundabout Construction Sequencing and the Case for Illumination of Roundabouts |
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TRB will conduct a webinar on June 1, 2015, from 1:00pm to 3:00pm ET that will cover roundabout construction and illumination, as well as the progress in research and practice of roundabout design over the past 20 years. Webinar presenters will highlight how international research and practice influenced United States designs and design...
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TRB Webinar: Mechanistic-Empirical Design and Details for Continuously Reinforced Concrete Pavement (CRCP) |
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TRB will conduct a webinar on June 3, 2015, from 2:00pm to 3:30pm ET that will provide a background on Mechanistic-Empirical (ME) design for Continuously Reinforced Concrete Pavement (CRCP), as well as cover the criteria and design process utilized in the “AASHTOWare Pavement ME Design” software.
With the completion of the 2008 AASHTO ME...
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RFP: Knowledge Management Resource to Support Strategic Workforce Development for Transit Agencies |
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TRB’s Transit Cooperative Research Program (TCRP) has released a request for proposals (RFP) to develop a resource for transit agencies that may be applied to help protect institutional knowledge and support strategic workforce development. The resource should help transit agencies ensure continued access to specialized knowledge of operations and ...
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Southern African Transportation Conference (SATC)* |
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TRB is co-sponsoring the Southern African Transportation Conference (SATC) July 6-9, 2015 in Pretoria, South Africa. This year’s conference focuses on the role of transportation in employment and economic growth. Registration opens on May 4, 2015.
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11th International Conference on Low-Volume Roads: Advance Registration Expires June 13, 2015 |
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TRB is sponsoring the 11th International Conference on Low-Volume Roads on July 12-15, 2015 in Pittsburgh, Pennsylvania. The conference, held every four years, will examine new technologies and new techniques in the planning, design, construction, operation, maintenance, and administration of low-volume roads. Advance Registration Expires June 13, ...
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Liability Aspects of Pedestrian Facilities |
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TRB’s National Cooperative Highway Research Program (NCHRP) Legal Research Digest 65: Liability Aspects of Pedestrian Facilities addresses legal claims that relate to pedestrian facilities, such as sidewalks and crosswalks, and focuses on allegations of violations of the Americans with Disabilities Act (ADA) and lawsuits alleging that a government ...
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Guidebook for Airport Terminal Restroom Planning and Design |
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TRB’s Airport Cooperative Research Program (ACRP) Report 130: Guidebook for Airport Terminal Restroom Planning and Design explores a process to help airport practitioners plan, design, and implement terminal restroom projects.
The guidebook’s appendixes, contained on the accompanying CD-ROM (except for Appendixes I and J), include the case...
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Guidebook for Designing and Managing Rights-of-Way for Carbon Sequestration and Biomass Generation |
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TRB’s National Cooperative Highway Research Program (NCHRP) Report 804: Guidebook for Designing and Managing Rights-of-Way for Carbon Sequestration and Biomass Generation explores the operational concerns, programmatic issues, and market conditions associated with utilizing highway rights-of-way (ROWs) to develop carbon sequestration projects....
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Indefinite Delivery/Indefinite Quantity Contracting Practices |
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TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 473: Indefinite Delivery/Indefinite Quantity Contracting Practices examines practices related to the use of Indefinite Delivery/Indefinite Quantity (IDIQ) contracting by transportation agencies for highway design, construction, and maintenance contracts. The synthesis covers...
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Practices for Permitting Superheavy Load Movements on Highway Pavements |
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TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 476: Practices for Permitting Superheavy Load Movements on Highway Pavements documents the practices followed in issuing permits for overweight and superheavy commercial vehicles (SHCVs) or “superloads.” Superloads are trucks that exceed the thresholds set for overweight...
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Proposed Practice for Alternative Bidding of Highway Drainage Systems |
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TRB’s National Cooperative Highway Research Program (NCHRP) Report 801: Proposed Practice for Alternative Bidding of Highway Drainage Systems explores the application of a performance-based process for selection of drainage pipe systems. The selection process is based on satisfying performance criteria for the drainage system while considering the ...
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Traffic and Transportation Simulation - Looking Back and Looking Ahead: Celebrating 50 Years of Traffic Flow Theory, a Workshop |
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TRB’s Transportation Research Circular E-C 195: Traffic and Transportation Simulation - Looking Back and Looking Ahead: Celebrating 50 Years of Traffic Flow Theory, a Workshop summarizes a workshop held January 12, 2014 at the TRB 93rd Annual Meeting that focused on traffic and transportation simulation. The workshop provided a means to explore...
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TRB and Resilience: A Summary of Transportation Research Board Activities |
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A slideshow summary of the Transportation Research Board's pre- and post-September 11, 2001, transportation security and resilience activities is updated monthly.
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TRB Security, Emergency Management, and Infrastructure Protection Research Status Report |
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Since September 11, 2001, 145 security-, emergency management-, and infrastructure protection-related planning and implementation projects have been initiated through programs managed by the Transportation Research Board (TRB). One hundred eleven of these projects have been completed; 24 projects are in progress; and 10 projects have contracts...
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Porous Asphalt Pavements with Stone Reservoirs |
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The U.S. Federal Highway Administration has released a tech brief that provides an overview of the benefits, limitations, and applications of porous asphalt pavements with stone reservoirs, including considerations for design, construction, and maintenance.
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Transportation Statistics Annual Report 2013 |
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The U.S. Department of Transportation’s Bureau of Transportation Statistics has released its annual transportation statistics report that describes the U.S. transportation system, its overall performance, contributions to the economy, and effects on people and the environment.
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A Guide to Transportation Decisionmaking: Revised April 2015 |
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The U.S. Department of Transportation’s Transportation Planning Capacity Building (TPCB) Program has released a guide that describes processes for transportation decisionmaking including how the process starts and the basics of documenting decisionmaking.
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FHWA’s Fostering Livable Communities Newsletter: April 2015 |
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The U.S. Federal Highway Administration has released its quarterly newsletter that includes examples of ways that transportation investments can promote livability.
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Anthropometric Study of U.S. Truck Drivers: Methods, Summary Statistics, and Multivariate Accommodation Models |
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The National Institute for Occupational Safety and Health at the U.S. Centers for Disease Control and Prevention has released a report that summarizes results of its anthropometric study that can be used by truck manufacturers, parts suppliers, transportation researchers, fleet managers, and other stakeholders in improving the ergonomic design of...
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Virginia and West Virginia’s Transportation Research Co-Peer Exchange |
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The Virginia Department of Transportation has released a report that summarizes a peer exchange in which state department of transportation representatives from Virginia, West Virginia, Georgia, and Louisiana, and representatives of the Virginia and West Virginia divisions of the U.S. Federal Highway Administration provided an overview of their...
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Concrete Pavement Mixture Design and Analysis (MDA): Evaluation of Foam Drainage Test to Measure Air Void Stability in Concrete |
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The Iowa Department of Transportation has released a report that discusses the stability of a range of air entraining admixtures/water reducing admixture combinations in the foam drainage test and their stabilities on concrete mixtures in the lab.
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Comparing Friction Reducers for Use in AMPT Testing |
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The National Center for Asphalt Technology at Auburn University has released a report that evaluates methods of fabricating friction reducers for the flow number test to improve ease of fabrication and reduce variability of the results obtained by the asphalt mixture performance tester (AMPT).
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Montana DOT Solutions Newsletter: Winter/Spring 2015 |
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The Montana Department of Transportation has released its quarterly newsletter that discusses transportation research issues in Montana.
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Long-Life Slab Replacement Concrete |
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The Florida Department of Transportation has released a report that describes an evaluation whereby field slabs were instrumented for data acquisition from high-early-strength concrete pavement replacement slabs.
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Understanding Public Opinion Regarding Transit in Southeast Michigan |
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The Mineta Transit Research Consortium at San Jose State University has released a report that assesses public opinion regarding regional transit, including its relation to respondents’ socio-demographic characteristics, political attitudes and orientations, and geographical characteristics.
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Development of Chloride Reduction Training |
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The University of Illinois Center for Transportation has released a report that describes a training program that could be used for personnel who operate snow plows and spread road salt during winter storms.
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Designing, Producing, and Constructing Fine-Graded Hot Mix Asphalt on Illinois Roadways |
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The University of Illinois Center for Transportation has released a report that investigates the feasibility of using fine-graded mixtures for asphalt binder courses by using mix designs guided by the Bailey Method and other laboratory performance testing.
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UMTRI Research Review: January-March 2015 |
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The University of Michigan Transportation Research Institute (UMTRI) has released the latest edition of its research review that highlights its activities and accomplishments.
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TRIP Newsletter: April 2015 |
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The European Commission’s Transport Research and Innovation Portal has released its monthly newsletter that summarizes updates on transportation research and innovation.
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Fatigue in Operators of Land- and Sea-Based Transport Forms in Norway: Literature Review and Expert Opinion |
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The Norwegian Centre for Transport Research has released a report that assesses fatigue management in the Norwegian land- and sea-based transportation sectors, including the prevalence of fatigue and how businesses can benefit from addressing it.
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TRL News: April 2015 |
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The UK's Transport Research Laboratory (TRL) has released the latest issue of its periodic electronic newsletter that highlights TRL's activities and achievements.
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Urban Mobility System Upgrade: How Shared Self-Driving Cars Could Change City Traffic |
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The International Transport Forum has released a report that examines the changes that could result from the large-scale uptake of a shared and self-driving fleet of vehicles in a mid-sized European city.
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Countermeasures for Fatigue in Transportation: A Review of Existing Methods for Drivers on Road, Rail, Sea, and in Aviation |
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VTI, the Swedish National Road and Transport Research Institute, has released a report that examines countermeasures for driver fatigue in road, rail, sea, and air transportation and evaluates the potential of implementing the countermeasures.
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The National Law Enforcement Liaison Newsletter: April 2015 |
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The National Law Enforcement Liaison (LEL) Program has released its quarterly newsletter that provides information on practices, events, and news as they relate to state law enforcement liaison-related highway safety issues and activities.
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Hearing on Improvements and Challenges in Prevention and Response After Deepwater Horizon |
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On April 29, 2015, the U.S. Senate Committee on Commerce, Science, and Transportation held a hearing to review the lessons learned from the Deepwater Horizon oil spill, steps taken to make offshore oil and gas exploration safer, and advances in emergency response technology. Witness statements are available online.
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Hearing on the Future of Commercial Motor Vehicle Safety |
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On April 29, 2015, the U.S. House of Representatives’ Transportation and Infrastructure Committee’s Subcommittee on Highways and Transit held a hearing to explore safety technologies and regulatory reforms that could be employed to reduce crashes, injuries, and deaths attributable to commercial motor vehicles. A webcast of the hearing and witness...
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Hearing on Resources and Priorities of the U.S. Coast Guard |
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On April 28, 2015, the U.S. Senate Committee on Commerce, Science, and Transportation’s Subcommittee on Oceans, Atmosphere, Fisheries and Coast Guard held a hearing to consider the U.S. Coast Guard’s FY 16 budget request that reflects the agency’s initiatives and efforts in addressing each of its 11 statutory missions. A webcast of the hearing and ...
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Hearing on Aviation Safety and General Aviation |
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On April 28, 2015, the U.S. Senate Committee on Commerce, Science, and Transportation’s Subcommittee on Aviation Operations, Safety, and Security held a hearing to consider the state of aviation safety in the national airspace system. Witness statements are available online.
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