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Transportation Research Board (Highways)

TRB Webinar: Improved Analysis of Two-Lane Highway Capacity and Operational Performance

TRB will conduct a webinar on Monday, March 25, 2019 from 2:00 PM to 3:30 PM ET that features research from the National Cooperative Highway Research Program (NCHRP)’s Web-Only Document 255 : Improved Analysis of Two-Lane Highway Capacity and Operational Performance. This webinar will describe the development of a new two-lane highway analysis methodology that introduce features that supplement existing methodology in the Highway Capacity Manual (HCM). Two-lane highways account for a significant portion ...

6th International Symposium on Highway Geometric Design: Abstracts due April 30*

TRB is cosponsoring the 6th International Symposium on Highway Geometric Design on June 28-July 1, 2020, in Amsterdam, The Netherlands. The objective of this Symposium is to stimulate continued world-wide improvements to highway geometric design. The Symposium will focus on the latest breakthrough practices relating to highway engineering in their different life phases, including daily operational effects, and safe highway designs. Abstracts are being accepted through April 30, 2019.

Accident Prediction Models using Macro and Micro Scale Analysis: Dynamic Tree and Zero Inflated Negative Binomial Models with Empirical Bayes Accident History Adjustment

The Institute for Transportation Studies at the University of Minnesota has released a report that analyzes accidents at highway rail grade crossings. The goal of this report is to identify higher risk crossings for efficient allocation of scarce resources towards operational and safety improvements.

Request for Interest: Production of TRB Centennial Video

The Transportation Research Board turns 100 on November 11, 2020. As part of the celebration, TRB has released a Request for Interest soliciting interest in organizations partnering with TRB to produce a five-minute video that would focus on the future of transportation and the role of research. The audience for the short video is college and graduate school students, and young professionals who are not yet committed to transportation as a profession. The goal of the video is to excite young people into ...

Integrating CRASH, Hospital, and Roadway Data to Investigate the Effect of Cable Median Barriers on Injury Severity

The Kentucky Transportation Center at the University of Kentucky has released a report that identifies road segments with installed cable median barriers (CMB) and those with either concrete median barriers or no median barriers. The goal of this report is analyze the impact of CMBs on injury severity when compared to injury severity on road segments with either concrete median barriers or no median barriers.

Transportation Research Record (TRR): Journal of the Transportation Research Board - Select Full Text Articles Now Available

The Transportation Research Record (TRR): Journal of the Transportation Research Board, through SAGE Publications, has released full text articles of the most read and cited papers of 2016 and 2017. This collection highlights the unparalleled depth and breadth of coverage the TRR provides to the transportation community. Submit comments and suggestions at trr@nas.edu. The TRR presents the latest research findings in policy, planning, administration, economics and financing, operations, construction, desi...

Development of South Carolina Databases and Calibration Factors for the Highway Safety Manual

The South Carolina Department of Transportation has released a report that provides the Highway Safety Manual (HSM) calibration factors for the state of South Carolina. This report develops and evaluates state-specific safety performance functions for use in South Carolina.

12th TRB International Conference on Low-Volume Roads

TRB is sponsoring the 12th TRB International Conference on Low Volume Roads on September 15-18, 2019 in Kalispell, Montana. This conference examines new technologies and new techniques in the planning, design, construction, operation, maintenance, and administration of low-volume roads. Panelists will explore case studies and practical solutions to common problems related to all aspects of low-volume roads. Patron Support:  Additional information for agencies, partners, and industry interested in su...

Hearing: The Cost of Doing Nothing: Why Investing in Our Nation’s Infrastructure Cannot Wait

On February 7. 2019, the U.S. House of Representatives Committee on Transportation and Infrastructure held a hearing to examine the current state of the nation’s roads, bridges, transit systems, railroads, ports, and airports in order to address infrastructure needs. The Committee heard testimony from public officials, the private sector, and non-profit organizations. Witness statements and a webcast of the hearing are available online.

Addressing Alabama’s Transportation Infrastructure: Roads and Bridges

The Alabama Transportation Institute at the University of Alabama has released a report that examines the Alabama transportation network and identifies how it provides for economic growth and quality of life. The goal of this report is to summarize the extent, condition, and use of the state’s road system. This report compares Alabama’s information to other states so that its neighbors and economic competitors may be used as a benchmark.

 
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