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Christine Yager Consulting: Human Factors & Driver Behavior
Portrait of Christine E. Yager

The expert

Christine E. Yager

Principal, Christine Yager Consulting

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Christine is a human factors expert witness and the principal of Christine Yager Consulting, an independent human factors and driver behavior practice in Bryan, Texas. She has more than a decade of experience as a transportation safety researcher at the Texas A&M Transportation Institute, where she worked on more than 30 research projects for transportation agencies and industry sponsors.

Her research has examined texting and voice-to-text while driving, perception-response time and hazard detection, nighttime visibility and conspicuity, young and novice drivers, traffic control devices, and commercial vehicle safety. She holds bachelor's and master's degrees in industrial and systems engineering from Texas A&M University.

Retained by

Plaintiff, defense and prosecution counsel in Texas and nationwide, in civil and criminal matters. The analysis is the same whichever side retains the practice.

Testimony

Deposition and trial testimony in state and federal courts. She has also testified to the Texas Senate Transportation Committee about driver distraction research.

Scope

She does not reconstruct crashes; she works from the reconstruction and the case record. Where impairment is at issue, she works from the toxicology findings. She does not offer opinions on federal motor carrier safety regulations or apportion fault.

Curriculum vitae

Qualifications

Education

  • 2008M.E., Industrial & Systems EngineeringTexas A&M University
  • 2007B.S., Industrial & Systems Engineering, minor in Business AdministrationTexas A&M University

Credentials

  • 2024PMP, Project Management ProfessionalProject Management Institute
  • 2022CPPE, Certified Peer Program EducatorNational Association of Peer Program Professionals

Areas of expertise

Positions

  • 2026–PresentHuman Factors Expert WitnessEvidence Solutions, Inc.
  • 2023–PresentPrincipalChristine Yager Consulting
  • 2025–2026Senior PrincipalKittelson LLC
  • 2025–PresentPrincipal Investigator/Project Manager/ResearcherTraffic Control Devices Program, Texas A&M Transportation Institute (TTI)
  • 2021–2025Principal Investigator/Project Manager/ResearcherYouth Transportation Safety Program, Texas A&M Transportation Institute (TTI)
  • 2009–2015Principal Investigator/Project Manager/ResearcherHuman Factors Group, Texas A&M Transportation Institute (TTI)
  • 2007–2009ResearcherMobility Analysis Group, TTI

Selected publications

  • Yager, C.E. (2013). Driver Safety Impacts of Voice-to-Text Mobile Applications. Proceedings of the Human Factors and Ergonomics Society Annual Meeting, September 2013; vol. 57, 1: pp. 1869–1873.
  • Yager, C.E., Cooper, J.M., Chrysler, S.T. (2012). The Effects of Reading and Writing Text-Based Messages While Driving. Proceedings of the Human Factors and Ergonomics Society Annual Meeting, September 2012; vol. 56, 1: pp. 2196–2200.
  • Yager, C.E. (2013). An Evaluation of the Effectiveness of Voice-to-Text Programs at Reducing Incidences of Distracted Driving. Contract DTRT12-G-UTC06. Texas Transportation Institute, College Station, TX. April 2013.
  • Cooper, J.M., Yager, C.E., Chrysler, S.T. (2011). An Investigation of the Effects of Reading and Writing Text-Based Messages While Driving. Contract DTRT07-G-0006. Texas Transportation Institute, College Station, TX. August 2011.
  • Yager, C.E., Dinakar, S., Sanagaram, M., Ferris, T.K. (2015). Emergency Vehicle On-Board Device Distractions. Texas A&M Transportation Institute Technical Report, College Station, TX. February 2015.

Selected talks and testimony

  • Yager, C.E. (2026). Attitude-Behavior Mismatches in Teen Driving: Insights from a National Survey on Risk Perception and Self-Reported Behavior. Presentation given at the 2026 Safe Mobility Conference on March 31, 2026, in Seattle, Washington.
  • Yager, C.E. (2025). Preventing Distracted Driving with Positive Incentives & Positive Youth Development. Presentation given at the 2025 Texas Distracted Driving Summit on September 3, 2025, in Austin, Texas.
  • Yager, C.E. (2013). Testified in Austin, Texas, about driver distraction research to the Texas Senate Transportation Committee on April 24, 2013, as the committee considered SB 28 (texting ban).

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