Federal Preemption of State Railroad Safety Rules
Railroad safety is meant to be nationally uniform, so a federal regulation that covers a subject displaces the state rule on the same subject. The question in almost every case is what the word covering means and which part of the claim survives it.
The rule in short
Railroad safety regulation is directed to be nationally uniform. A state requirement stands only until the Secretary of Transportation issues a regulation covering the same subject matter, after which it is displaced unless it targets an essentially local hazard, is compatible with federal law and does not unreasonably burden commerce. A separate subsection preserves damages claims that a railroad broke the federal standard of care or its own federally required plan.
Railroad safety law starts from an unusual instruction. Congress said that laws, regulations and orders related to railroad safety are to be nationally uniform to the extent practicable. That sentence is the reason a state rule about track, brakes, crossings or horns can be displaced without any showing that it conflicts with federal law. It is enough that the federal government has spoken on the same subject.
The sentence that does the work
The preemption provision is short. A state may adopt or keep a law related to railroad safety until the Secretary of Transportation prescribes a regulation or issues an order covering the subject matter of the state requirement. After that point the state requirement gives way, with three narrow escapes described below.
Two words carry the weight. The first is covering. A federal regulation that merely touches on a subject does not preempt; it has to substantially subsume the topic. The second is subject matter. Preemption is decided subject by subject rather than statute by statute, so a case can lose one theory and keep another arising from the same incident.
What counts as covering
The practical test is whether the federal rule addresses the same question the state duty asks. Track safety standards set a maximum speed for each class of track, so a claim that a train was traveling too fast for conditions on properly classified track is generally displaced. The federal rule answered the speed question already.
The line moves when the state duty asks a different question. A claim that the crew saw a person on the track and failed to slow is not a claim about the permitted speed; it is a claim about the response to a specific hazard. Courts have repeatedly allowed that theory through while barring the general excessive speed theory in the same complaint.
The same split runs through crossing cases. Federal rules govern how a warning system is inspected, tested and maintained, and how a railroad must respond to a reported malfunction. Whether a particular crossing should have had gates instead of crossbucks is a different question, decided under the funding and design rules covered in the article on how crossing warning devices are selected and funded.
It is a legal ruling about which duties exist, and it is usually decided on the pleadings or at summary judgment. A plaintiff who waits until trial to plead an alternative theory has often lost the chance to amend. The safer course is to plead the surviving theories from the start rather than to argue for a broad state duty and hope it holds.
The local hazard exception and why it rarely works
A state may keep a more stringent rule if it is necessary to eliminate or reduce an essentially local safety hazard, is not incompatible with federal law, and does not unreasonably burden interstate commerce. All three must be satisfied.
The first element defeats most attempts. An essentially local hazard means a specific, isolated condition at a particular place, not a category of danger found throughout a state. A blind curve where a school driveway meets the track can qualify. Heavy pedestrian traffic near stations generally cannot, because the condition is not peculiar to one location. Courts also treat the exception as a shield for state regulation rather than a source of a new duty; it explains why a local rule survives, not why a railroad owed something extra.
Claims the statute expressly preserves
A later amendment added a clarification that changed how these cases are pleaded. Nothing in the preemption section bars a state law action for damages alleging that a party failed to comply with the federal standard of care established by a regulation or order, failed to comply with its own plan, rule or standard created under a federal regulation, or failed to comply with a state requirement that is compatible with the uniformity rule.
That second clause is the one plaintiffs use most. Railroads write internal operating rules and safety plans because federal regulations require them to. When the railroad breaks its own plan, the claim is not an attempt to impose a different state standard; it is an allegation that the federal scheme's own requirement was ignored. The statute also states that it creates no federal cause of action and confers no federal question jurisdiction, so these cases stay in state court unless some other basis for removal exists.
| Theory pleaded | Federal rule on the subject | Usual result |
|---|---|---|
| Train exceeded a safe speed on class-compliant track | Track safety standards fix a maximum speed per class | Displaced |
| Crew failed to brake after seeing a person on the track | No federal rule fixes the response to a specific hazard | Survives |
| Warning system was not inspected or tested as required | Federal grade crossing rules set the schedule | Survives as a federal standard of care claim |
| Crossing should have had gates rather than crossbucks | Federal-aid design rules may have settled the device | Displaced where federal funds participated |
| Railroad violated its own federally required operating rule | The plan exists because a federal regulation demands it | Expressly preserved |
Economic preemption is a different statute
Safety preemption is often confused with the far broader economic preemption that comes from the statute giving the Surface Transportation Board exclusive jurisdiction over rail transportation, including the construction, operation and abandonment of lines. That provision sweeps aside state and local permitting, zoning and nuisance rules that would regulate rail operations, and it is the reason a city usually cannot condition a rail yard on a local land use approval.
The two doctrines answer different questions. The safety statute asks whether a federal safety regulation covers a subject. The economic statute asks whether the state is trying to regulate rail transportation as such. A corridor dispute after service ends runs through the second one, as explained in the article on what happens to a rail corridor when service ends. A duty owed to a person hit on the right of way runs through neither, and is governed by the ordinary state rules described in the article on the duty a railroad owes a trespasser.
Reading a case for what is left
The useful habit is to read a complaint one duty at a time. For each alleged failure, find the federal regulation that addresses the same question. If one exists, the state duty is probably displaced and the claim has to be rebuilt as an allegation that the federal standard itself was broken. If none exists, the ordinary state rules of negligence apply without adjustment.
That exercise also shapes discovery. A federal standard of care claim needs the railroad's inspection records, test results and internal rulebook rather than expert opinion about what a reasonable railroad should have done. Cases are frequently won or lost on whether those documents were requested early enough to matter, a point that also drives the proof in a grade crossing collision case.
Points to carry away
- A state safety rule survives only until a federal regulation covers the same subject matter, not merely touches on it.
- The local hazard exception requires a specific and isolated danger, not a condition found across a state.
- A claim that the railroad violated the federal standard of care is preserved by statute and is not preempted.
- A claim that the railroad broke its own plan created under a federal regulation is also preserved.
- Economic questions such as line construction and abandonment are preempted by a different statute administered by the Surface Transportation Board.
Questions readers ask
Does preemption mean the railroad cannot be sued at all?
No. Preemption removes a particular theory of liability, not the case. The statute says nothing in it creates a federal cause of action and nothing in it strips a claim that the railroad failed to meet the federal standard of care. A plaintiff whose excessive speed theory is displaced by the federal track class limits can still argue that the crew failed to keep a proper lookout, that a warning device malfunctioned, or that the railroad ignored its own federally required plan. The theory changes; the forum and the defendant do not.
Who decides whether a federal regulation covers the subject?
The court hearing the case, usually on a motion filed early. The inquiry is textual: it reads the federal regulation, identifies the subject it addresses, and asks whether the state duty the plaintiff invokes falls inside that subject. Agency statements in the preamble to a rule are often quoted because they describe what the agency intended to regulate, but they do not bind the court. Because the analysis turns on the specific regulation, two claims arising from the same collision can come out differently.
Can a city pass its own railroad ordinance?
It can, and the ordinance is valid until a federal regulation covers the same subject. After that, the ordinance survives only through the narrow exception for an essentially local safety hazard, which requires a specific and isolated condition rather than a problem shared across the state. Blocked crossing ordinances, local speed limits and horn ordinances are the ones most often struck down. A community that wants horns silenced generally has to use the federal quiet zone process instead of legislating around it.
Sources
- 49 U.S.C. § 20106 — PreemptionThe national uniformity rule, the local hazard exception and the clarification preserving state law damages claims.
- 49 CFR Part 213 — Track Safety StandardsThe track classes and maximum operating speeds that displace state speed duties.
- 49 CFR Part 234 — Grade Crossing SafetyFederal requirements for warning system maintenance, inspection and response to a malfunction.
- 49 CFR Part 222 — Use of Locomotive Horns at Public Highway-Rail Grade CrossingsThe federal horn rule that occupies the subject of audible warning at public crossings.
- 49 U.S.C. § 10501 — General jurisdictionThe exclusive economic jurisdiction of the Surface Transportation Board over rail transportation.
- Federal Railroad AdministrationThe agency that issues the safety regulations whose scope decides the preemption question.
Metro Law Advisors is a publication, not a law firm. This article states general rules and cites its sources; it is not advice about any particular case, and the law differs by state and changes over time.
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