Flutterby™! : Hard Braking Events as crash predictors 2026-02-09 19:44:42.948607+01

Hard Braking Events as crash predictors

2026-02-09 19:44:42.948607+01 by Dan Lyke 0 comments

From Lagging to Leading: Validating Hard Braking Events as High-Density Indicators of Segment Crash Risk

This study systematically evaluated the correlation at individual road segment level between police-reported collisions and aggregated and anonymized HBEs identified via the Google Android Auto platform, utilizing datasets from California and Virginia. Empirical evidence revealed that HBEs occur at a rate magnitudes higher than traffic crashes. Employing the stateof-the-practice Negative- Binomial regression models, the analysis established a statistically significant positive correlation between the HBE rate and the crash rate: road segments exhibiting a higher frequency of HBEs were consistently associated with a greater incidence of crashes.

Via.

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