TRB’s National Cooperative Highway Research Program (NCHRP) has released its annual report. This Annual Report provides a concise list of research published in 2023 and a list of all active projects, projects completed in 2023, and projects that were a…
Category: TRB
TCRP Annual Report of Progress 2023
The TRB Transit Cooperative Research Program (TCRP) has released its annual report, which provides an overview of the program, status of each of TCRP’s projects, and a summary of some of the program’s accomplishments for the year. TCRP focuses on issue…
Framework for Implementing Constructability Throughout Project Development from NEPA to Final Design
Since the inception of using sets of plans for construction purposes, a persistent challenge has been the miscommunication between designers and constructors, even when they were part of the same organization. NCHRP Web-Only Document 388: Framework for…
BTSCRP 2023 Annual Report
The 2023 Annual Report for the Behavioral Traffic Safety Cooperative Research Program (BTSCRP) is now available. BTSCRP provides practical, ready-to-implement solutions to save lives, prevent injuries, and reduce the costs of road traffic crashes assoc…
Incorporating Nondestructive Testing in Quality Assurance of Highway Pavement Construction: Conduct of Research Report
Good quality pavement construction translates directly to good performance and long life. State departments of transportations (DOTs) apply established standards and specifications to perform a wide range of material tests through various stages of a c…
Incorporating Nondestructive Testing in Quality Assurance of Highway Pavement Construction: Manual
State departments of transportation (DOTs), as part of their routine practice, use various quality assurance (QA) procedures in their acceptance process for highway pavement construction. Absent from this QA process is the use of nondestructive testing…
TR News 347: Wheels Up! Alaska’s Rural Air Service
Rural aviation in Alaska is critical for providing access to essential services and supporting the state’s mostly rural way of life. However, current airport infrastructure faces significant operational and maintenance challenges. “Wheels Up! Alaska’s …
Elevating Equity in Transportation Decision Making: Recommendations for Federal Competitive Grant Programs
There has been a recently large increase in competitive federal grant programs for transportation, and the U.S. Department of Transportation (USDOT) has considerable control over how the programs are structured and the funds awarded to states and other…
Statewide Approaches to the Development of Comprehensive Transit Information Systems
Over the past several years, a number of state departments of transportation (DOTs) and a few metropolitan planning organizations (MPOs) have taken on the role of developing statewide/regionwide transit information systems that are intended to collect …
Alkali-Silica Reactivity Potential and Mitigation: Test Methods and State of Practice
The realistic assessment of alkali-silica reactivity (ASR) and identification of appropriate preventive measures remain major challenges to the concrete and aggregate industry. Guidelines for estimating ASR potential are currently provided in AASHTO R …