Cooperative Research Programs Series
Periodicals and Other Documents
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Taxonomy and Terms for Stakeholders of Older Adult Mobility
4/24/2024 6:00:00 PM
The community of stakeholders in safe mobility for older adults use technical terms or expressions that can have very specific meanings across disciplines. The variety of different interpretations often leads to miscommunication. Moreover, the terminology continually changes to keep pace with advances in technology, measurement tools and methods, and transportation options. TRB's Transportation Research Circular E-C289: Taxonomy and Terms for Stakeholders of Older Adult Mobility provides a referenc...
Using Performance Engineered Mixtures to Improve Pavement Performance and Sustainability: State Experiences
2/23/2024 2:00:17 PM
To encourage adoption of performance engineered mixtures (PEM) concepts, the U.S. Federal Highway Administration offered various levels of incentive funding to state agencies to help offset the costs of additional shadow testing, data collection, and reporting. TR Circular E-C287: Using Performance Engineered Mixtures to Improve Pavement Performance and Sustainability: State Experiences presents important highlights from the PEM pilot projects in six states.
Innovations in Freight Data: 2023 Workshop
2/16/2024 9:00:00 PM
The 4th Innovations in Freight Data Workshop was held September 19–21, 2023, at the Keck Center of the National Academies of Sciences, Engineering and Medicine in Washington, DC. TRB's Transportation Research Circular E-C288: Innovations in Freight Data: 2023 Workshop presents the discussions and presentations from the workshop.
Integrating the Flexible Pavement Life Cycle
9/29/2023 5:00:09 PM
Traditionally, research and analysis of asphalt pavements have been siloed into pavement structural design, pavement material selection, and pavement service life. In order to achieve a truly perpetual pavement and potentially minimize life-cycle economic costs and environmental impacts, the pavement structural design and material design must also be integrated with pavement preservation and maintenance decisions. TRB's Transportation Research Circular E-C286: Integrating the Flexible Pavement Life Cycle...
Workshop on Building More Resilient Supply Chains
9/15/2023 1:00:13 PM
The recent COVID-19 pandemic highlighted the significant consequences that can result from disruptions in supply chains. The massive disruptions that occurred because of the pandemic were the result of a “perfect storm” from several events. From panic buying to increases in demand for goods and e-commerce from home-bound consumers, to stalled port operations, and labor shortages, disruptions can cause ripple effects throughout the economy and severely impact individual pocketbooks and stress levels relat...
13th International Conference on Low-Volume Roads
7/24/2023 12:00:27 PM
TRB's International Conference on Low-Volume Roads provides a global forum to examine new technologies and new techniques in the planning, design, construction, operation, maintenance, and administration of low-volume roads. The Conference focuses on issues that impact all aspects of life throughout the world, including the first and last mile of the roads where trips by people, produce, and resources start and end. TR Circular E-C283: 13th International Conference on Low-Volume Roads , from the Transpor...
Toward a National Regulatory Framework for Automated Vehicles: Challenges and Opportunities
5/24/2023 2:00:15 PM
The deployment of automated vehicles, shared mobility services, and other transformational transportation technologies has the potential to dramatically increase safety, reduce congestion, improve access, enhance sustainability, and spur economic development. However, success in meeting these goals is not assured and there are significant risks that these deployments could cause unintended consequences. TR Circular E-C284: Toward a National Regulatory Framework for Automated Vehicles: Challenges and Oppo...
Building Information Modeling for Bridges and Structures: From Design to Construction Workshop
12/23/2022 7:00:49 PM
Building information modeling (BIM) has been used in the vertical construction industry since the 1970s. In the last decade, the worldwide transportation industry has been pushing for the implementation of BIM for bridges and infrastructures. This process revolutionizes the way projects are delivered and, to be successful, it requires the cooperation of all parties involved in the realization of the structure. TRB's Transportation Research Circular E-C282: Building Information Modeling for Bridges and St...
Glossary of Terms for Balanced Design of Asphalt Mixtures
10/28/2022 9:00:03 PM
The design of asphalt mixtures for use in infrastructure applications is a topic that has generated significant research and focus over recent years. TRB's Transportation Research Circular E-C280: Glossary of Terms for Balanced Design of Asphalt Mixtures provides a reference document for usage of Balanced Mix Design terminology by the asphalt mixtures community in the United States.
Advancing Transportation Equity: Conference Summary and Action Brief
10/26/2022 6:00:10 PM
One of several key outcomes of the 2021 Conference on Advancing Transportation Equity (CATE) was the determination that transportation equity can better be achieved by being intentional about facilitating context-specific, people-first practices, policies, and outcomes in the transportation industry. TRB's Transportation Research Circular E-C281: Advancing Transportation Equity: Conference Summary and Action Brief highlights the essential information discussed at the conference. The entire CATE 2021 conf...
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