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January 26, 2026

THE CDL FILES – Cognitive Impairment and Cannabis: A New Perspective

The CDL Files
The CDL Files
THE CDL FILES - Cognitive Impairment and Cannabis: A New Perspective
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Is "passing a drug test" enough to ensure a driver is safe behind the wheel?

In this episode of THE CDL FILES, host Brad Klepper (President of Drivers Legal Plan) sits down with PJ Barclay to tackle one of the transportation industry’s most complex challenges: the intersection of cannabis legalization and driver safety.

Together, they explore why detecting the presence of substances is no longer enough. Instead, the conversation shifts toward a new standard—measuring cognitive impairment and functional ability. PJ Barclay introduces a groundbreaking solution: a rapid, 90-second cognitive test designed to instantly evaluate a driver's fitness to operate safely.

In this episode, we cover:

  • Impairment vs. Presence: Why the industry must move beyond simple positive/negative drug screenings.

  • The 90-Second Solution: How new technology provides a real-time assessment of cognitive performance.

  • The Aging Workforce: How age impacts cognitive speed and the importance of ongoing baselines.

  • Beyond Trucking: The broader applications of cognitive testing in safety-sensitive environments.

Tune in for a forward-thinking discussion on how technology and policy are evolving to keep our roads safer.

Chapters

00:00 Introduction to Cognitive Impairment and Cannabis

03:20 Understanding Impairment: Definition and Importance

06:14 The 90-Second Cognitive Test: A Game Changer

09:27 Age and Cognitive Performance: Fair Assessments

12:04 Dynamic Health and Ongoing Assessments

15:25 Agnostic Approach to Impairment: Beyond Substances

18:21 Real-World Impacts: Stories of Discovery

21:31 Statistical Insights: Identifying Impairment Risk

24:19 Integrating Cognitive Testing in Safety Protocols

27:19 Broader Applications: Beyond Transportation

Host: Brad Klepper, Drivers Legal Plan

Guest: PJ Barclay, Impirica

Producer: Laura Stacks, Heylo Communications

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