Tag: Impaired Driving

Driver Behavior & Performance

Development and Validation of Messaging to Deter Cannabis Impaired Driving

This study interviewed cannabis users to gain a better understanding of attitudes, perceptions, and reasons for driving under the influence in order to inform the development of messages to deter cannabis impaired driving, which were then tested for perceived effectiveness.

March 2025 Technical Report | Report Summary

Driver Behavior & Performance

Cannabis Use, Public Health, and Traffic Safety: Outcomes from the Scientific Literature and Expert Opinion on the Potential Impacts of Rescheduling

This study synthesizes existing scientific evidence regarding cannabis use and decriminalization in terms of the factors used to determine drug scheduling under the Controlled Substances Act. Further, it explores expert opinion on potential impacts of cannabis rescheduling.

December 2024 Technical Report | Report Summary

Driver Behavior & Performance

2023 Traffic Safety Culture Index

The 2023 iteration of the annual Traffic Safety Culture Index describes Americans’ perceptions of, attitudes towards, and engagement in dangerous driving behaviors, and identifies profiles of risky driving.

December 2024 Technical Report | Report Summary

A picture of cars in traffic

Driver Behavior & Performance

2022 Traffic Safety Culture Index

The 2022 iteration of the annual Traffic Safety Culture Index describes Americans’ perceptions of, attitudes towards and engagement in dangerous driving behaviors and identifies profiles of risky driving.

November 2023 Technical Report | Report Summary

drowsy driver behind the wheel

Driver Behavior & Performance

Drowsiness and Decision Making During Long Drives: A Driving Simulation Study

This report presents the results of a driving simulation study designed to assess the extent to which drowsy drivers are aware of their own drowsiness as well as factors influencing their decisions regarding whether to continue driving or stop for a break.

March 2023 Technical Report | Report Summary