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State transportation agencies have many tools available with which to maintain pavements proactively. These include tools such as pavement management systems to track roadway conditions and life cycle cost analysis tools. NCHRP Synthesis 623: Wintertime Pavement Maintenance Practices, from TRB’s National Cooperative Highway Research Program, documents the current state DOT practices for the reactive pavement […]
Advanced vehicle technologies have the potential to improve safety and convenience for drivers; however, to realize these benefits, it is important that drivers use the systems appropriately. Past research has documented gaps in drivers’ understanding of how new technology works and when it should be used. It follows that the interplay between a driver’s knowledge, […]
WASHINGTON, D.C. – Barbara Rooney, Governor’s Representative (GR) and Director of the California Office of Traffic Safety (CA OTS), was elected to serve as Chair of the Governors Highway Safety Association (GHSA) Executive Board at the organization’s 2022 Annual Meeting last week in Louisville, Ky. Rooney will serve a one-year term for GHSA, the national nonprofit […]
At zero cost, covid-free, and practically zero carbon, BTR #4 brings transportation engineers, planners, & policymakers together globally by removing the burden of travel, the cost of registration, & greenhouse gases associated with transport & accommodation. We welcome researchers and practitioners from diverse disciplines, & are delighted to include those unable to obtain visas or […]
Drivers are considered to be alcohol-impaired when their blood alcohol concentrations (BACs) are .08 grams per deciliter (g/dL) or higher. Thus, any fatal crash involving a driver with a BAC of .08 g/dL or higher is considered to be an alcohol-impaired-driving crash, and fatalities occurring in those crashes are considered to be alcohol-impaired-driving fatalities. The […]
This article dissects the issues impacting federal guidelines for investment in charging stations, including where electric vehicle chargers should be placed to meet the needs of all communities, not just affluent drivers traveling on the busiest roadways. StreetLight’s EV infrastructure planning metrics address those issues, spanning the identification of gaps in the current EV charging station network, predictive tools […]
Impaired driving continues to be a significant source of injury, death, and financial burden on society. Alcohol-impaired driving alone accounts for one-third of traffic deaths. Unlike alcohol, however, the prevalence of non-alcohol drugs among drivers remains relatively unknown. With the legalization of marijuana, emergence of the opioid epidemic, and results from National Roadside Surveys, it […]
Owners of select Model Year 2017-2021 Kia Sportage and Cadenza vehicles should park their cars outside and away from homes until their vehicles have been repaired, due to a new recall for the risk of fire. Kia Motors America issued a safety recall (NHTSA ID 21V-137) on Tuesday for 379,931 select Sportage and Cadenza vehicles […]
Marijuana use impairs cognitive abilities necessary for safe driving, including reaction time, road lane–tracking ability, and attention maintenance. In 2018, 45.3% of US residents aged 12 years or older reported having used marijuana in their lifetime; 10.1% were recent users.1 Although US high school seniors reporting driving after using marijuana (DAUM) decreased slightly from 14.6% in […]
Today, the National Highway Traffic Safety Administration (NHTSA) reported that 11,260 people were killed on U.S. roadways in the third quarter of 2020, a 13.1% increase compared to the same period in 2019. Looking at the first nine months of 2020, the data show that 28,190 people died in crashes, a 4.6% increase from the year before. Traffic […]
