TRB - VibeWire Magazine

Homelessness: A Guide for Public Transportation

Guest authors
January 13, 2024
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Unemployment, low wages, poverty, and lack of affordable housing are the main drivers of an increasing homeless population throughout the U.S. in recent years. Transit agencies are being impacted by homelessness. While transit agencies cannot address t…

New IDEAs For Rail Safety: Annual Report of the Rail Safety IDEA Program

Guest authors
January 13, 2024
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New IDEAs for Rail Safety: Annual Report of the Rail Safety IDEA Program presents a summary of progress on investigations conducted as part of the Rail Safety Innovations Deserving Exploratory Analysis (Rail Safety IDEA) program sponsored by the …

The Effect of Vehicle Mix on Crash Frequency and Crash Severity

Guest authors
January 11, 2024
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Crash prediction analysis focuses on identifying attributes that result in traffic crashes and proposes effective countermeasures to improve the roadway design and operational attributes. These crash frequency models are typically employed for examinin…

Rating Concrete Water Permeability Based on Resistivity Measurements

Guest authors
January 9, 2024
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Current test methods that measure the electrical conductance or resistivity of concrete provide a rapid indication of concrete ability to resist chloride ion penetration. Although these methods do not provide a direct relationship to concrete water per…

Identifying Military Resources and Strategies to Improve Civilian Airport Resiliency

Guest authors
January 9, 2024
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The U.S. military has established resilience practices for domestic installations, and a number of different military organizations, such as the Air National Guard, are co-located at civilian airports. This situation provides opportunities for airports…

Safety Prediction Model for Freeway Facilities with High Occupancy Lanes

Guest authors
December 27, 2023
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In an effort to relieve highway congestion and promote the movement of people, some state departments of transportation have modified their freeway facilities to include high occupancy vehicle lanes, high occupancy toll lanes (HOT, or HO lanes), and ot…

NCHRP 2023 Annual Report

Guest authors
December 23, 2023
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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…

TCRP Annual Report of Progress 2023

Guest authors
December 23, 2023
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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

Guest authors
December 23, 2023
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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

Guest authors
December 21, 2023
0

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…