Who Is Liable for AI Truck Accidents? Why the Answer Depends on Which AI You Mean

Reviewed by Cameron Pechia, Founder, WA Insurance License 71186
Last reviewed: 8/17/2026

Key takeaway: Who is liable for AI truck accidents depends entirely on which system caused the crash. If a Level 2 driver-assist feature like automatic braking or lane-keep assist was active, the driver and the fleet still carry primary liability, because federal guidance requires a human to stay fully engaged regardless of what the system is doing. If a fully autonomous Level 4 or 5 system was operating with no one monitoring it, liability shifts toward product liability claims against the manufacturer, the software developer, or the systems integrator. Right now, almost every truck on the road runs Level 2 tech at most, which means the driver and the fleet are still the ones getting named first, no matter what actually malfunctioned. This applies to any fleet running ADAS-equipped trucks, whether or not they've gone anywhere near full autonomy.

A driverless truck rolled out of a yard outside Dallas in 2025 with an empty driver's seat and made the run to Houston without a human touching the wheel. Aurora has been running that route on a regular schedule ever since. Nobody was behind the wheel to name in a police report if something had gone wrong.

Most fleet owners reading this aren't running driverless freight. But nearly every truck built in the last few years already leans on some version of the same underlying tech: automatic emergency braking, lane-keep assist, collision mitigation radar, AI-scored dashcams. The liability question in the headline isn't science fiction. It's already live, at a lower level of automation, in trucks sitting in your yard right now.

What Counts as "AI" in a Trucking Accident?

AI in a trucking accident usually means one of two very different things: a driver-assist feature that helps a human stay in control, or an automated driving system that replaces the human entirely. That distinction is the single biggest variable in figuring out who pays.

The industry uses SAE's six levels of driving automation, and NHTSA has adopted the same framework. Levels 1 and 2 are advanced driver assistance systems, or ADAS: think adaptive cruise control, automatic braking, lane-keep assist. The driver is still doing the driving. Levels 3 through 5 are automated driving systems, or ADS, where the system performs the entire driving task within its defined operating conditions.

ADAS vs. Automated Driving Systems (ADS): Why the Line Matters

At Level 2, the human driver must stay fully engaged at all times. That's not a suggestion. It's baked into how NHTSA defines the level itself. At Level 4 or 5, there's no driver to stay engaged. That single fact changes who a plaintiff's attorney names in a lawsuit.

Who Is Liable When a Driver-Assist System Is Involved in a Crash?

In almost every case today, the driver and the fleet carry primary liability when a Level 1 or Level 2 system is involved in a crash. The reasoning is simple. Federal guidance treats the human as fully responsible for the driving task regardless of what the assist feature is doing in the background.

That means if your automatic emergency braking system fails to trigger, or triggers when it shouldn't, the claim still opens as a driver-caused accident. NHTSA now requires manufacturers and operators to report certain crashes involving Level 2 ADAS and ADS to the agency directly, which means there's a federal paper trail forming on tech-assisted crashes. But that reporting requirement doesn't change fault on your claim file.

I expect to start seeing more of this exact fight: a phantom braking event where the system engages on its own, the truck behind can't stop in time, and the adjuster's first instinct is to write it up as a following-too-close claim against your driver. The only thing that flips that narrative is the data. Your ELD and telematics records become the evidence that separates "driver error" from "the truck did something on its own." Fleets that can't produce that data clean lose that argument before it starts.

Who Is Liable When a Fully Autonomous Truck Causes a Crash?

When a Level 4 or 5 system is operating with no human monitoring it, liability shifts away from a driver and toward product liability claims against the manufacturer, the automated driving system developer, or the sensor and software suppliers. There's no driver to blame, so the legal theory has to change.

Industry legal analysts point to a Tesla Autopilot case in Florida federal court as an early signal of where this is heading, with courts now willing to examine manufacturer liability when automated systems play a role in a crash. In trucking specifically, that means a serious autonomous-truck accident could pull in the OEM, the ADS developer, the sensor supplier, and the fleet all at once.

Here's the part fleet owners miss. Even when the ultimate liability lands on a manufacturer, the motor carrier is usually still the first name on the lawsuit. You're the identifiable party with an insurance policy and an address. The litigation sorts out who pays what later. You're paying defense costs from day one either way.

Does FMCSA Regulate Autonomous Trucks Yet?

No. As of today, neither FMCSA's safety regulations nor NHTSA's vehicle safety standards include technology-specific requirements for automated driving systems. FMCSA has said this directly: there are no ADS-specific federal performance standards that manufacturers must satisfy for fully autonomous operation.

That gap shows up in strange places. Take the warning triangle rule. Federal law requires a driver to place reflective triangles around a stopped truck. Autonomous trucks don't have a driver to do that, so Aurora Operations petitioned FMCSA for an exemption to use cab-mounted beacons instead. Aurora told the agency it has 109 Class 8 trucks now and expects more than 200 Level 4 ADS-equipped trucks by the end of this year, with a projected fleet of thousands within five years. FMCSA is regulating this technology one exemption at a time because the underlying rulebook was written for a human driver, not a computer.

A proposed rule addressing inspection, repair, and maintenance standards for ADS-equipped trucks has been on FMCSA's regulatory agenda, though the timeline has already slipped once. Verify the current status directly with FMCSA before citing a date.

What Does This Mean for Your Trucking Insurance Right Now?

Your commercial trucking insurance policy was almost certainly written with a human driver as the assumed cause of loss. Most policies haven't been rewritten to cleanly address a crash where a driver-assist or automated system contributed to what happened.

That doesn't relieve your fleet of anything. You're still the named insured, you're still the party getting served first, and your commercial auto liability policy is still what responds initially regardless of what eventually gets sorted out between OEMs and software vendors. What it does change is the size of the fight. New technology, unclear fault, and multiple potential defendants tend to draw the kind of drawn-out, expert-heavy litigation that produces bigger verdicts, not smaller ones. If your excess and umbrella tower is thin, an AI-related crash is exactly the kind of claim that finds the gap. We've written about why nuclear verdicts keep climbing in trucking generally. Add unfamiliar technology to a serious injury case and that number doesn't get friendlier.

What Should Fleet Owners Do About Coverage Today?

You don't need a driverless truck in your yard for this to matter. If you've got AEB, lane-keep assist, or AI-scored dashcams anywhere in your fleet, and most fleets do now, here's what to confirm at your next renewal:

• Tell your broker exactly which driver-assist features are on your trucks. Underwriters price what they know about. An undisclosed system that turns out to be relevant in a claim can create a coverage fight you didn't need.
• Know who owns the data. If a crash happens, the system logs, sensor data, and event recorder output become the evidence. Confirm you can actually get that data from the manufacturer when you need it, not just when they feel like sharing it.
• Ask your broker directly whether your policy has any exclusion tied to automated systems or software malfunction. Some do. Most fleet owners have never asked.
• Review your excess and umbrella limits with this scenario specifically in mind, not just your historical claims.

Will AI Trucking Tech Make Insurance Cheaper or More Expensive?

Both, depending on the timeline. In the near term, ADAS features like automatic braking tend to reduce claim frequency, and insurers generally price that favorably once there's enough claims history to trust it. In the longer term, as more automated systems and more legal uncertainty enter the picture, severity on the claims that do happen is likely to climb, at least until courts and regulators settle the liability questions this article is describing.

For now, the honest answer is that AI in your fleet is more likely to change how a claim gets investigated than what your premium looks like next renewal.

If you're running driver-assist technology anywhere in your fleet and you're not sure your policy actually accounts for it, that's a conversation worth having before a claim forces it. We review coverage, exposures, and compliance gaps for fleets running exactly this kind of tech every week, and we can walk through what your policy actually says versus what you assumed it said. Start with a coverage review at Pullsure and we'll go from there.

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