Road User Behavior

Selected Research on Road Diets

Elijah Wade
Tsai, Bor-Wen
2021
Pedestrian and bicyclist injury and mortality is a common occurrence in California. Data from the Transportation Injury Mapping System found that serious injuries among bicyclists and pedestrians increased between 2017-2019, with 3,174 recorded in 2017 and a peak of 3,495 serious injuries in 2019. Along with serious injuries, there has also been an increase in mortality among these active transportation options reported by the National Highway Traffic Safety Association, which recorded 940 fatalities in 2017, and an increase to 972 by the end of 2019.

Speed Management Workshops Planned in California

March 23, 2021

Original post authored by Leah Shahum appeared March 23, 2021 on the Vision Zero Network

Communities Embrace Safe Speeds, Key to Safe System Approach

 safe street design, safe speed limits and speed safety cameras

Applications open for virtual California Local Speed Management Trainings

January 12, 2021

Original post appeared on the Vision Zero Network.

Is your California community eager to explore and implement strategies to effectively manage speed for safety?

Logos of three sponsors of trainings, Vision Zero Network, ITE and SafeTREC

New Publication: Evaluating the impact of socio-economic contributing factors of cities in California on their traffic safety condition

January 20, 2021

New paper highlights how socio-economic characteristics of a specific area influence traffic safety

Former SafeTREC graduate student researcher and current postdoctoral researcher at the McMaster Institute for Transportation and Logistics (MITL) Amir M. Amiri has co-authored a new publication, "Evaluating the impact of socio-economic contributing factors of cities in California on their traffic safety condition" with researchers Koorosh Naderi, Jill F. Cooper, and Navid Nadimi in the Journal of Transport & Health.

New Release: 2020 SafeTREC Traffic Safety Fact Sheets

September 30, 2020

2020 SafeTREC Traffic Safety Fact Sheets feature recent data on some of California's most pressing traffic safety issues to help inform future road safety efforts during the pandemic

2020 SafeTREC Traffic Safety Facts: Drug-Involved Driving

Chen, Katherine L.
Tsai, Bor-Wen
Fortin, Garrett
Cooper, Jill F.
2020

Driving can be impaired by a variety of legal and illegal drugs, substances, and medications. These various substances can impair cognition, attention, coordination, and other brain functions critical to driving safety. Unlike alcohol, the mechanism for absorption, distribution, and elimination of drugs from the body, as well as cognitive and behavioral effects differ greatly.

New article in the ITE Journal: The Transportation Safety Pandemic

September 4, 2020

"The good news is we already have the vaccine for the transportation safety pandemic. We just must choose to use it."

Commercial vehicles, fatigue, parking and safety

Gosselin, Katherine
2020
For commercial drivers, operator fatigue and parking in undesignated areas can result in dangerous collisions. Exacerbating this issue is a lack of freight truck parking, making it difficult for truck operators to find a safe spot when in need of rest. For bicyclists and pedestrians, loading and unloading commercial vehicles in downtowns also present hazards. Increasing the availability of legal truck parking could improve safety for all road users.

2020 SafeTREC Traffic Safety Facts: Alcohol-Involved Driving

Chen, Katherine L.
Tsai, Bor-Wen
Fortin, Garrett
Cooper, Jill F.
2020

While alcohol-impaired driving fatalities have fallen significantly in the last three decades, NHTSA reports that alcohol-impaired driving still comprises a large percentage of traffic injuries and fatalities. On average in 2018, one person died from an alcohol impaired driving crash every 50 minutes. There was a decrease in the number of alcohol-impaired driving fatalities and rate per 100 million VMT in the United States between 2017 and 2018.

2020 SafeTREC Traffic Safety Facts: Aging Road Users

Chen, Katherine L.
Tsai, Bor-Wen
Fortin, Garrett
Cooper, Jill F.
2020

The older adult population in the United States aged 65 and older is expected to almost double between 2016 and 2060, from 49 million to 95 million. In 2018, there were 6,907 people aged 65 or older killed in a traffic crash in the United States; this accounted for 18.9 percent of all traffic fatalities. To provide context, the overall population aged 65 or older accounted for 14.9 percent of people in the United States and 19.4 percent of all licensed drivers in 2017.