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., 08/17/2022
E.g., 08/17/2022
Monday, April 27, 2020 - 13:30
The glossary was published for the first time in 1994 with the purpose of assisting member countries during the collection of data on transport using the Common Questionnaire developed by the UNECE, the International Transport Forum and Eurostat. It has since evolved to cover all areas of transport statistics. The present fifth edition is the result of...
Monday, April 27, 2020 - 13:30
The first edition of this report, in 2009, provided a comprehensive industry reference for the management of airport deicing runoff. The second edition has been wholly updated to reflect the latest industry practices. The TRB Airport Cooperative Research Program's ACRP Research Report 14: Deicing Planning Guidelines and Practices for Stormwater...
Monday, April 27, 2020 - 13:30
This report analyses the potential and the prerequisites for reaching the National Transport Plans targets of only selling zero-emission passenger cars, small light commercial vehicles (Vans) and city buses in 2025, large vans in 2030 and that 50% of new trucks and 75% of new long distance buses shall be zero-emission by 2030. The passenger car target for 2025...
Monday, April 20, 2020 - 13:45
Travel demand management (TDM) is being implemented in numerous different ways throughout the world, to address congestions issues and encourage modal shift. This research outlines some of the many TDM strategies being used internationally to provide insights of potential value for the New Zealand context. This information is presented through six city case...
Monday, April 20, 2020 - 13:45
With the increased use of electronic devices, distracted driving is assumed to be one of the main causes of crashes. The Illinois Department of Transportation (IDOT) has demonstrated interest in addressing distracted driving. However, the real impact of distracted driving on traffic crashes in Illinois is still unclear because of what appears to be a lack of...
Monday, April 20, 2020 - 13:45
This “state of the practice” report evaluates and summarizes current methods of grade control at culverts with photographic examples of each type of culvert grade control.  It is intended to be used as a reference to help engineers in the preliminary design stage select the most cost-effective and constructible type of culvert grade control...
Monday, April 20, 2020 - 13:45
This study demonstrated that Type 2205 stainless steel strand can be used as a replacement for conventional ASTM A416 steel strands where an increase in service life is required.  The benefit and practicality of using Type 2205 stainless steel strand in prestressed piles were determined from two tasks performed in this study. First, a corrosion...
Wednesday, April 15, 2020 - 13:30
This document reports the results of testing to characterize the existing radio frequency signal environment. Specifically, the USDOT’s test plan sought to identify the interference impacts to transportation’s 5.9 GHz Dedicated Short-Range Communications (DSRC) operations from today’s unlicensed Wi-Fi devices (known as unlicensed national...
Wednesday, April 15, 2020 - 13:30
Individuals with autism represent a sizeable share of the U.S. population (almost 2%), and nearly half of those with autism have average to high levels of intelligence. However, available research shows that adults with autism have a much more difficult time becoming employed and living independently compared to both typically developing adults and adults with...
Wednesday, April 15, 2020 - 13:30
Researchers at California Partners for Advanced Transportation Technology (PATH), a research and development program at the University of California-Berkeley, studied the potential benefits of cooperative adaptive cruise control (CACC) by deploying the technology in a platoon of three trucks. They built the CACC system and implemented it in three long-haul...
Wednesday, April 15, 2020 - 13:30
It can be expected that connected vehicles (CVs) systems will soon go beyond testbed and appear in real-world applications. To accommodate a large number of connected vehicles on the roads, traffic signal control systems on signalized arterials would require supports of various components such as roadside infrastructure, vehicle on-board devices, an effective...
Wednesday, April 15, 2020 - 13:15
This report describes the methodologies and datasets used to prepare a set of data reductions that supported analyses of speeding behavior as discussed in the Findings Report from the same study (Richard, Lee, Brown, & Landgraf, 2019). Importantly, it is intended to be a guide that provides helpful insights for researchers to use when navigating the process...

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