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The Supreme Court has Redefined Road Safety After Montgomery v. Caribe Transport II, LLC
English Lucas Priest and Owsley, LLP
Every day, more than 780,000 carriers traverse American highways, forming the backbone of the global supply chain. Yet, for nearly a third of those shipments, the name on the truck door belongs to a company that did not actually arrange the trip. That vital logistics work is handled by transportation brokers, the “conduits” who connect shippers with the trucks that haul their goods.
For decades, these intermediaries, also known as brokers, operated behind a formidable legal shield, often escaping accountability when the carriers they hired caused catastrophic accidents. However, the Supreme Court’s unanimous ruling in Montgomery v. Caribe Transport II, LLC has fundamentally redefined a broker liability. CBS News outlined the dangers of brokers in their April 19, 2026, report https://www.cbsnews.com/projects/2026/chameleon-carrier-trucks/.
The Montgomery ruling resolves a sharp divide between the nation’s appellate courts. While the Seventh and Eleventh Circuits had previously ruled that federal law preempted these claims, meaning the brokers could not be held liable, the Sixth and Ninth Circuits—and now the Supreme Court—have decided that these brokers can be held liable. The core of the decision is that transportation brokers can now be sued for “negligent hiring” under state law.
Previously, industry giants like C.H. Robinson argued that the Federal Aviation Administration Authorization Act (FAAAA) of 1994 granted them total immunity to prevent a “patchwork” of state regulations. The Court, however, refused to expand this economic shield into the realm of traditional state police power. While brokers are indeed intermediaries, they are now viewed as active safety gatekeepers rather than mere price-negotiators. “Brokers are the transportation industry’s matchmakers, connecting sellers of goods to the carriers who move them.” — Justice Amy Coney Barrett
The legal pivot point was the FAAAA’s “safety exception” (§14501(c)(2)(A)), which preserves a state’s authority to regulate safety “with respect to motor vehicles.” In a move of characteristic judicial restraint, the Court’s opinion (noted in Footnote 2) assumed without deciding that the FAAAA would otherwise preempt such claims, only to find that the safety exception clearly saves them.
The Court’s “straightforward” analysis determined that hiring a carrier is a process that “concerns” the vehicle itself. Because a broker selects a specific company to operate a specific machine on a public highway, that selection is inextricably linked to the vehicle’s operation.
Justice Kavanaugh, joined by Justice Alito in his concurrence, highlighted the danger of a “regulatory black hole.” Currently, federal oversight of brokers focuses almost exclusively on financial registration rather than safety performance. Kavanaugh argued that if state tort suits were preempted, brokers would operate in a vacuum where no meaningful safety regulations apply—leaving them with little incentive to look beyond the lowest bid.
The Court was forced to weigh the industry’s economic “ripple effects”—such as rising insurance premiums and consumer prices—against the “life and death” stakes of highway safety. C.H. Robinson warned that this liability would cascade through the economy. The Court countered this by looking at the staggering 2022 data from the Department of Transportation’s Federal Motor Carrier Safety Administration (FMCSA):
- 500,000 reported truck accidents
- 5,000 fatalities
- 114,000 injuries
While the economic concerns are “legitimate and weighty,” the Court held that the FAAAA was designed for economic deregulation, not the erosion of a state’s traditional power to protect its citizens from physical harm.
It is crucial to understand that this ruling is not a finding of strict liability for the industry; it is a change in the rules of engagement. Brokers are not automatically liable for every accident; they are held to the standard of “Reasonable Care.” Furthermore, brokers are protected by the “Proximate Cause” safeguard—a plaintiff must prove that the broker’s specific failure to vet the carrier was the proximate cause of the injury.
In the Montgomery case, the carrier allegedly had a “conditional” safety rating and deficiencies in driver qualifications and maintenance. Moving forward, a “reputable” hiring practice will require brokers to “ask the hard questions” about a carrier’s safety policies rather than simply checking a federal registration box. For the 28,000 brokers operating in the U.S. today, the Montgomery ruling marks the end of an era of near-total immunity. The decision reinforces the principle that efficiency cannot come at the expense of safety oversight.
