Detecting Dangerous Driving Via Computer Vision

Amin Shaer, Andres Fielbaum and David Levinson
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David Levinson: TransportLab, School of Civil Engineering, University of Sydney

Working Papers from University of Minnesota: Nexus Research Group

Abstract: KEYWORDS This study demonstrates the potential of combining computer vision with regular traffic cameras for detecting dangerous driv­ ing behaviors (DDB). We combine data extracted from 258 h of traffic camera footage across Minnesota with road crash records from 2016–2022. Using computer vision, we identify Dangerous Driving Behavior Indicators (DDBIs), including speeding, short headway, and lane violations—alongside traffic flow, truck counts, and time-to-collision (TTC) metrics. These indicators are analyzed individually and jointly to detect aggressive driving and compound aggressive driving behaviors. An Ordinary Least Squares (OLS) model examines the relationship between DDBIs and the number of instances where TTC falls below two sec­ onds (NTTC2). A Negative Binomial Regression (NBR) model then links NTTC2 to crash frequency, while Structural Equation Modeling (SEM) explores the broader pathways through which behavioral factors contribute to crash risk. Results show that short headway, speeding, and aggressive driving increase NTTC2, which in turn is positively associated with crashes. These findings suggest that video-based behavior detection can sup­ port proactive traffic enforcement and crash prevention. Object detection; surrogate safety measures (SSMs); risky driving behavior; road safety; traffic camera; video processing

Keywords: transportation; road transport; traffic safety (search for similar items in EconPapers)
JEL-codes: R40 (search for similar items in EconPapers)
Date: 2026
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Published in Journal of Transportation Safety & Security 1-20

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https://doi.org/10.1080/19439962.2025.2608002 Published version landing page, 2026 (text/html)

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Persistent link: https://EconPapers.repec.org/RePEc:nex:wpaper:paper-2026-12

DOI: 10.1080/19439962.2025.2608002

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