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I-10 Closed in San Bernardino After Corn Truck Overturns

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  Published in Automotive and Transportation on Wednesday, January 7th 2026 at 11:52 GMT by ABC7

Major Highway Closure After Truck Carrying Corn Overturns on I-10 Near San Bernardino

A major traffic incident occurred on Tuesday morning, May 14th, 2024, on Interstate 10 (I-10) near San Bernardino, California, after a truck transporting corn overturned, resulting in significant highway closures and a massive cleanup operation. The incident, initially reported by ABC7 News, caused widespread delays and prompted a SigAlert, impacting commuters throughout the Inland Empire and beyond. Here's a comprehensive summary of the event, its impact, and the ongoing response:

The Incident & Initial Response:

The accident happened around 4:30 AM on westbound I-10 just west of the 215 freeway in San Bernardino. A large commercial truck, hauling a significant load of corn, overturned for reasons still under investigation by the California Highway Patrol (CHP). Initial reports indicated the truck rolled onto its side, spilling its contents across multiple lanes.

CHP officers immediately responded to the scene, initiating traffic control and assessing the situation. Given the volume of spilled corn – described as covering a substantial portion of the westbound lanes – a full closure of the freeway was deemed necessary. This closure stretched from the 215 freeway to Tippecane Drive, effectively shutting down a critical stretch of I-10 for a considerable period.

Impact on Traffic & Detours:

The freeway closure quickly led to severe traffic congestion. Westbound traffic was backed up for miles, extending onto the 215 freeway. Authorities issued a SigAlert, a notification used to indicate significant traffic incidents causing major delays. Commuters faced substantial delays, with some reporting being stuck in traffic for hours.

The CHP directed drivers to detour using the 215 freeway southbound to the 60 freeway westbound, then back onto the I-10. However, these detour routes quickly became congested as the volume of traffic overwhelmed the alternative roadways. Local surface streets also experienced increased traffic as drivers sought alternate routes, leading to gridlock in surrounding communities.

Cleanup Operation & Challenges:

The cleanup operation proved to be a considerable undertaking. The sheer volume of spilled corn presented a logistical challenge. Crews from Caltrans (the California Department of Transportation) were dispatched, along with heavy-duty equipment including loaders and sweepers, to remove the corn from the freeway.

Removing the corn wasn't simply a matter of sweeping it up. The CHP, through updates reported by ABC7, explained the corn created a slippery and hazardous driving surface, increasing the risk of secondary accidents. Further complicating the cleanup was the need to carefully remove the truck itself, a delicate operation requiring specialized towing equipment.

Investigation & Cause:

As of the latest updates, the cause of the truck overturning remains under investigation. CHP officers are examining several possibilities, including mechanical failure, driver fatigue, or potential reckless driving. The driver of the truck was transported to a local hospital with non-life-threatening injuries. Their condition is currently unknown, and they will likely be interviewed as part of the investigation. Toxicology reports will also be conducted to rule out any impairment.

Timeline of Freeway Reopening:

The initial estimate for reopening the freeway was several hours. However, the cleanup took longer than anticipated due to the scale of the spill and the need to ensure the roadway was safe for traffic.

• Initial Closure: Approximately 4:30 AM PST
• One Lane Opened (Partial Reopening): Around 11:30 AM PST, Caltrans successfully opened one lane of westbound I-10, allowing some limited traffic flow. This provided a small measure of relief but did little to alleviate the overall congestion.
• Full Reopening: The freeway fully reopened to traffic at approximately 3:45 PM PST, over 11 hours after the initial incident. Caltrans announced the reopening via social media, urging drivers to exercise caution as residual debris might remain.

Beyond the Immediate Incident:

This incident highlights the vulnerability of major transportation corridors to disruptions caused by accidents involving commercial vehicles. The economic impact of the closure, beyond the inconvenience to commuters, likely includes delays in the delivery of goods and services. It also underscores the importance of ongoing road maintenance, rigorous vehicle inspections, and adherence to safe driving practices by truck drivers. The CHP continues to urge drivers to be vigilant and report any reckless or unsafe driving behavior.

The ABC7 coverage and subsequent updates provided real-time information to commuters, helping them make informed decisions about their travel plans. The incident serves as a reminder of the potential for significant disruption on major highways and the coordinated effort required from law enforcement, transportation agencies, and emergency responders to mitigate the impact of such events.