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Transportation expert witnesses

Expert class library · 3 classes

The trucking-safety, human factors and traffic engineering experts in highway crash cases: a carrier's compliance with federal safety rules, how drivers perceive and react, and how roads and work zones are designed.

Each class is defined by role and method, never by a person or a firm. Open one for what it is retained to answer, how its testimony is attacked under Rule 702, and the rulings, each read in the opinion.

Retained by either side

Trucking safety and FMCSR compliance expert

FMCSR compliance review (driver qualification, hours of service, inspection and maintenance files) · Hiring, training and supervision audit against carrier policy

Human factors (driver perception and reaction) expert

Perception-reaction time analysis · Driver expectancy and positive guidance analysis

Highway design and traffic engineer

MUTCD and state standard drawing compliance review · Temporary traffic control (work zone) plan review

Recent rulings

The 9 rulings in this practice, newest first. Each links to the free opinion on CourtListener and to the class it belongs to.

OutcomeCaseCourtExpert class
ExcludedO'Connor v. Fairfax Taxi, Inc.No. 25-16994th Cir. 2026Human factors (driver perception and reaction) expert
LimitedJohnson v. Terminal Investment Corp.No. A24A1576Ga. Ct. App. 2025Trucking safety and FMCSR compliance expert
AdmittedOld Dominion Freight Line, Inc. v. McMillion2025 Ark. App. 268Ark. Ct. App. 2025Trucking safety and FMCSR compliance expert
Exclusion reversedMarin v. Department of TransportationNo. A161844Cal. Ct. App. 2023Highway design and traffic engineer
LimitedVan Winkle v. Rogers82 F.4th 3705th Cir. 2023Trucking safety and FMCSR compliance expert
ExcludedArreguin-Leon v. Hadco Construction, LLC2020 UT 59Utah 2020Highway design and traffic engineer
Exclusion reversedLawes v. CSA Architects and Engineers963 F.3d 721st Cir. 2020Highway design and traffic engineer
Exclusion reversedO'Brien v. Ohio Department of Transportation2019-Ohio-724Ohio Ct. App. 2019Human factors (driver perception and reaction) expert
ExcludedM.B. v. CSX Transportation, Inc.130 F. Supp. 3d 654N.D.N.Y. 2015Human factors (driver perception and reaction) expert

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The library summarises public decisions for orientation; it is not legal advice. Read the opinion before relying on any ruling. No individual expert is named.

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