How In-Cab Alerts Influence Truck Speeds: Insights from Ohio Highways

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Purdue University Lyles School of Civil Engineering

Prepared by HAAS Alert

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Improving commercial truck safety is a critical goal for transportation agencies. However, their involvement in fatal crashes remains a constant challenge. In 2022, 5,837 large trucks were involved in a fatal crash.

Speeding and driver inattention are major contributing factors to these collisions. This underscores the ongoing concern that, despite advancements in automotive safety, commercial truck and all vehicle incidents remain a significant and growing issue.

This study, conducted by Jairaj Desai, Jijo K. Mathew, and Darcy M. Bullock from Purdue University, evaluated the effectiveness of in-cab  alerts in influencing truck drivers’ speed behavior. Their research focused on how commercial vehicle drivers responded to alerts about dangerous slowdowns and congestion on Ohio's highways.

The objective of this study was to evaluate the impact of two types of in-cab alerts—dangerous slowdowns and congestion—on driver behavior. Download your copy now to gain insight into how digital alerting systems influence driver behavior and enhance safety.

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