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Vision Zero and Impaired Driving: Near and Longer-Term Opportunities for Preventing Death and Injuries
Anders Lie1, Claes Tingvall2, Jeffrey P Michael3
1AFRY (ÅF Pöyry AB), Chalmers University of Technology, Gothenburg, Sweden.
Accident; Analysis and Prevention
|November 4, 2023
Summary
Vision Zero aims to eliminate traffic fatalities by accommodating human errors and addressing risky behaviors like impaired driving. Effective interventions include sobriety checkpoints, lower blood alcohol limits, and ignition interlocks, complemented by advanced vehicle technologies.
Area of Science:
- Road Safety
- Traffic Engineering
- Public Health Policy
Background:
- Alcohol-related crashes significantly contribute to motor vehicle fatalities and injuries.
- A safe road transport system aims to eliminate fatal and serious injuries by accommodating human limitations.
- Vision Zero utilizes a systems approach, integrating behavioral expectations with vehicle and road design.
Purpose of the Study:
- To examine near-term policy and program interventions for motivating safe drinking and driving decisions.
- To explore long-term technological solutions for addressing driver impairment risks.
- To identify underutilized but effective behavioral programs and policies in the U.S. and globally.
Main Methods:
- Review of existing Vision Zero strategies and their effectiveness.
- Analysis of behavioral programs and policies, including sobriety checkpoints, blood alcohol concentration limits, and ignition interlocks.
- Exploration of advanced safety technologies for monitoring driver behavior and intervening in risky situations.
Main Results:
- Underutilized interventions like sobriety checkpoints and lower BAC limits show strong effectiveness.
- Advanced vehicle technologies offer potential for real-time driver monitoring and intervention.
- A comprehensive Vision Zero program must address deliberate risk-taking beyond unintentional errors.
Conclusions:
- Achieving zero traffic fatalities requires a systems approach that manages both human error and deliberate risky behavior.
- Enhanced implementation of proven behavioral interventions is crucial.
- Technological advancements in vehicles can supplement policy and behavioral strategies to improve road safety.
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