Research

A group of nine people stands indoors as A C R P Manager Marci A. Greenberger at the center holds a 2025 Award of Excellence presented by the Michigan Aeronautics Commission and Michigan Department of Transportation.
The Airport Cooperative Research Program (ACRP) and Transit Cooperative Research Program (TCRP) celebrated achievements this past fall. ...
A car lies on its side with crushed roof and side, and another car with a smashed front end is T-boned into it while police officers stand around the intersection crash.
In the United States, motor vehicle death rates are about five times higher than in Australia, Canada, Japan, and some ...

By Joseph L. Schofer and David O. Willauer

Hannah Twaddell headshot
Hannah Twaddell is a senior transportation planner at ICF. ...
Firefighters and medics treat injured people on the roadside after a crash involving a truck, with fire engines and crews nearby.
A BTSCRP research report and web-only document outline guidance to help transportation agencies reduce the frequency and severity of accidents ...
David Jones, Associate Director, University of California Pavement Resarch Center.
David Jones is a pavement engineer and researcher who specializes in low-volume roads. ...
Several semi-trucks and freight trucks parked side by side at a rest area in Lebec, California.
Several committees joined forces at the 2025 TRB Annual Meeting to spur solutions to a nationwide lack of safe truck ...
Headshot of Steven E. Shladover.
Steven E. Shladover, Research Engineer at the University of California, Berkeley, who specializes in intelligent transportation systems. ...
A small propeller plane descends over a grassy field toward the control tower at Hillsboro Airport near Portland, Oregon.
TRB's Airport Cooperative Research Program has helped airports meet rising demand, improve efficiency, and address challenges for two decades. ...
Headshot of Tia Boyd.
Tia Boyd is a research associate in the Center for Urban Transportation Research's Transportation Planning, Policy, and Processes Program at ...
White pickup truck labeled 'WATER' sprays water onto the surface of a Utah highway with tiger-stripe lane markings. Behind that truck, another white utility vehicle equipped with a retroreflectometer gauges the reflectivity of the wet lane markings.
Utah Department of Transportation is enhancing its data-collection process to ensure that lane markings are easier to see in all ...
Bingrong Sun
Civil Engineer Bingrong Sun is a researcher at the National Renewable Energy Laboratory’s Center for Integrated Mobility Sciences in Golden, ...
John S. Miller
John Miller relishes the road less traveled. He preferred snaking through the side streets of suburban Washington, DC, rather than ...
Scroll to Top