TAC Research Bulletin

The TAC Research Bulletin highlights recently-published reports and articles from around the world with relevance to road transportation in Canada. Full text links are included, so you get more than just the abstract.

E.g., 06/26/2024
E.g., 06/26/2024
Tuesday, December 21, 2021 - 18:45
Invasive species present a significant threat not just to ecosystems, but also to our nation’s infrastructure, the economy, and cultural resources. Recently the National Invasive Species Council (NISC) has brought attention to the impact invasive species have on federal infrastructure. This is an issue that is not well documented or understood. However,...
Tuesday, December 21, 2021 - 18:30
This report examines and determines the most relevant cases for artificial intelligence (AI) use in a transport planning context for crash prevention on an entire road network. It explores the possibility of using computer vision to acquire relevant information and the capability of computer models to map high-risk locations. It offers recommendations to...
Tuesday, December 21, 2021 - 18:30
The CSA Group report titled “Connected and Automated Vehicle Technologies – Insights for Codes and Standards in Canada” provided recommendations and highlighted the need for a code that provides requirements and specifications for digital and physical infrastructure to be safely installed and securely operated in supporting connected and...
Tuesday, December 21, 2021 - 18:30
Motorway crashes kill over 200 people in Korea each year. This report reviews international best practices in motorway safety across ten countries to inform ways to make Korea’s motorways safer. Matching the average safety performance observed across Germany, Japan, the Netherlands and the United Kingdom would halve the number of motorway deaths. The...
Tuesday, November 23, 2021 - 20:30
These Professional Practice Guidelines were developed by Engineers and Geoscientists British Columbia to guide professional practice related to seismic assessment and seismic design of Dikes in British Columbia (BC).  This document provides guidance on professional practice to Engineering Professionals who perform seismic assessment and seismic design of...
Tuesday, November 23, 2021 - 20:00
The purpose of this document is to describe the research, including simulations and a field experiment, involving the operation of connected and automated vehicles (CAVs) on managed lanes. The scenarios associated with this concept were chosen and designed to facilitate rapid and successful deployment of a solution that is not yet in use. The proposed operation...
Tuesday, November 23, 2021 - 20:00
A comprehensive research investigation was carried out to investigate the use of recycled materials in Superpave asphalt mixtures in Missouri. The investigation involved sampling of aggregates, binders, plant-produced mixtures, and field cores followed by a rigorous lab testing program. Lab testing included an extensive binder extraction and recovery (E & R...
Monday, October 18, 2021 - 14:45
Prior to this research project, state highway agencies did not have tools for reflecting safety in their decisions concerning freeway and interchange projects. The TRB National Cooperative Highway Research Program's NCHRP Web-Only Document 306: Safety Prediction Methodology and Analysis Tool for Freeways and Interchanges documents a safety prediction...
Monday, October 18, 2021 - 14:45
A primary requirement of the transport system is for efficient evacuation routes and associated facilities such as signage that will enable people to move safely and quickly away from hazards and major impacts. Thus there is a need to be able to design, assess and be confident in the efficacy of proposed evacuation routes.  Through this research, an...
Monday, October 18, 2021 - 14:30
Pavement preservation is broadly acknowledged to provide network-wide benefits such as extending pavement life, enhancing system performance, reducing operation and maintenance costs, and improving safety. However, the performance of each pavement preservation project hinges on many factors. The TRB National Cooperative Highway Research Program's NCHRP...
Monday, August 16, 2021 - 17:45
The TRB National Cooperative Highway Research Program's NCHRP Web-Only Document 302: Development of a Comprehensive Approach for Serious Traffic Crash Injury Measurement and Reporting Systems presents a roadmap for states to develop comprehensive crash-related data linkage systems, with special attention to measuring serious injuries in crashes. The full...
Monday, August 16, 2021 - 17:30
Traffic-associated fatigue damage is one of the major distresses in which flexible pavements fail. This type of distress is the result of many thousands—or even millions of wheel loads passing over a pavement. The TRB National Cooperative Highway Research Program's pre-publication draft of NCHRP Research Report 982: Relationships Between the Fatigue...

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