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 ...

TRB will conduct a webinar on Tuesday, March 26, 2019, from 2:00 PM to 3:30 PM ET that will discuss practices for applying pavement markings. While pavement markings are a safety measure with a long history and broad use, there is a wide variety of practices, resulting in significant differences in paint quality from location to location. This webinar will present a case study of one state department of transportation that improved year-round maintained retroreflectivity of their waterborne traffic paint...

TRB will conduct a webinar on Tuesday, April 23, 2019, from 2:00 PM to 3:30 PM ET that will examine procedures for analyzing the impacts of superheavy load (SHL) movement on flexible pavements developed under a U.S. Federal Highway Administration-sponsored research project *. SHL hauling units are much larger and heavier than standard trucks and may involve gross vehicle weights in excess of a few million pounds, which at times requires specialized trailers and components with nonstandard spacing between...

TRB will conduct a webinar on Wednesday, March 27, 2019 from 2:00 PM to 3:30 PM that will discuss how to adhere to Presidential Executive Order 13807, which focuses on expediting infrastructure projects by suggesting that National Environmental Policy Act (NEPA) decisions should be made in two years. Furthermore, this order suggests that all federal decisions should be coordinated in a way that permits can be issued within ninety days of the NEPA decision. This webinar will describe practices that have a...

TRB will conduct a webinar on Wednesday, April 24, 2019, from 1:00 PM to 2:30 PM ET to describe micro surfacing and slurry seals and discuss their use and construction. These pavement preservation techniques are widely used and suitable for higher trafficked roadways, but practitioners have encounters some problems. Presenters will examine these problems and identify possible improvements, including those that relate to specifications, training, and processes. They will also discuss utilizing current ind...

Research problem statements are now being accepted for the FY 2020 Transit Cooperative Research Program (TCRP). To submit a problem statement, first review and follow  the format in this outline . Problem statements may be submitted electronically or be sent to tcrp@nas.edu as a Microsoft Word attachment. Previously submitted proposals may be resubmitted. The deadline for consideration is June 17, 2019.   TCRP is managed by TRB and sponsored by the U.S. Federal Transit Administration (FTA). TCR...

The TRB Committee on Roadside Safety Design will be meeting jointly with the AASHTO Technical Committee on Roadside Safety during the AASHTO Committee on Design’s annual meeting on July 21-26, 2019 in Reno, Nevada. The meeting in collaboration is intended to discuss implementation and improvements to the AASHTO Manual for Assessment of Safety Hardware, determine recent and completed research that may support future editions of the manual, and to identify roadside safety design research needs.

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...

The current measles outbreaks in the United States and elsewhere are being fueled by misinformation about the safety of vaccines.  To help counter such misinformation, we created a  website  that provides clear, concise, and evidence-based answers to questions about vaccine safety and other commonly asked questions about health and science as identified through our partnership with Google.    The evidence base includes a number of our studies examining vaccine access, safety, sch...

The TRB community extends condolences to the family and friends of Mr. Joseph Boardman who served as Chair of the TRB Executive Committee in 2005. Mr. Boardman passed away on Thursday, March 7, 2019, at the age of 70.  “Joe was a tireless advocate for improved transportation, and particularly for rail as an efficient and effective way to move both people and freight,” said Neil Pedersen, TRB’s Executive Director. “The New York Department of Transportation, Federal Railroad Administration, TRB, Amtra...