Tesla Semi catches fire on I-880 with no crash, closes freeway for 10 hours
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Tesla Semi catches fire on I-880 with no crash, closes freeway for 10 hours
Fred Lambert|Oct 28 2026 - 5:34 am PT
!Image 5: Firefighters spray foam on a burned Tesla Semi and trailer on I-880 in Hayward, California
Photo: CHP Hayward
A Tesla Semi caught fire on Interstate 880 in Hayward, California, on Tuesday evening, and there was no crash. The electric truck’s lithium-ion battery burned long enough to keep the southbound freeway closed for about 10 hours.
The driver got out unhurt. But a Class 8 electric truck catching fire on its own, in traffic, is something Tesla and its growing list of Semi customers need to explain.
What happened on I-880
The fire broke out at around 5:35 p.m. PT in the southbound lanes near Route 92. CHP Hayward then closed I-880 in both directions, citing “the potential risk of hazardous chemical smoke,” and posted these photos from the scene:
The driver told officers the truck caught fire and that they didn’t know why. No other vehicles were involved.
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Northbound reopened Tuesday night. Southbound took much longer. CHP initially warned that the battery could burn for 15 to 18 hours, but crews beat that estimate, and CHP Hayward posted that all lanes were open at around 3:30 a.m. Wednesday.
The CHP photos show firefighters laying foam around the burned-out tractor, with the front of a Premier Trailer Leasing trailer charred behind it. The truck’s operator hasn’t been identified, and Tesla, which doesn’t have a press office, hasn’t commented. The cause is under investigation.
The second Semi fire to close a California interstate
We’ve been here before. In August 2024, a Tesla-operated Semi caught fire on I-80 near Emigrant Gap while driving from Livermore to Tesla’s facility in Sparks, Nevada. At the time, no crash was reported. The NTSB later found the truck had left the road on a curve, hit a delineator post and a tree, and its battery ignited after the impact. Firefighters used about 50,000 gallons of water, and the lanes stayed closed for up to 15 hours.
Hayward is different. Without a crash, the focus shifts to the truck itself: the battery pack, the high-voltage system, the drive units, or something as ordinary as a tire or brake fire that spread.
And the timing isn’t great for Tesla. The company only started volume production of the Semi in Nevada this year, after nearly a decade of delays. WattEV ordered 370 Semis in May, mostly for drayage at the Port of Oakland, just a few miles up I-880 from where Tuesday’s truck burned. In September, Tesla was also named lead supplier on a 2,500-truck ZET SCALE order.
Electrek’s Take
First, some perspective, because this fire is going to get used as an anti-EV talking point. Truck fires are common. According to NFPA data, US fire departments responded to an average of 15,462 large-truck fires per year between 2018 and 2022. That’s about 42 a day, in a fleet that’s overwhelmingly diesel. Mechanical failure was a factor in 44% of them, and only about 2% were tied to a collision.
The same goes for cars. NFPA and DOT data put the US average at one vehicle fire for every 17 million miles traveled, and combustion vehicles make up the vast majority of that fleet. Tesla claims one fire per 140 million miles for its own vehicles. That’s Tesla’s number, but independent data, like government figures we’ve covered before, points the same way: gas vehicles catch fire more often than EVs.
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Top comment by dashpool
Liked by 17 people
This is not the main reason that pretty much all the other trucks have moved to LFP, but it is still one more reason that looks like a good idea.
Also, designing your own cells is higher risk... at this point, can they even switch supplier?
But that doesn’t get the Semi off the hook. Diesel fires happen across millions of trucks. Tesla doesn’t disclose Semi deliveries, but PepsiCo, its launch customer, was up to about 86 trucks in 2024, and volume production only started a few months ago. With a fleet that small, one fire with no crash is a big data point. It’s also the second Semi fire to shut down a California interstate in about two years.
So we need the cause. If a tire, a brake, or the trailer caught fire and it spread to the tractor, that’s a regular trucking problem. If the pack went into thermal runaway on its own, Tesla needs to find out why before tens of thousands of these trucks hit the road, and fire departments need a better plan than letting a loaded truck burn on a freeway for half the night.
The NTSB investigated the last one. It should look at this one too, and Tesla should publish what it finds. Will it?
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