LODI, San Joaquin County, Calif., Oct. 15, 2026 — Four people were hurt early Wednesday morning, October 14, when a semi-truck and several other vehicles collided on northbound I-5 near the SR-12 off-ramp. The crash set the truck on fire and shut down all northbound lanes for hours.
The California Highway Patrol said the collision was first reported around 5:34 a.m. and involved a semi-truck and at least one pickup, with reports of additional vehicles also involved. Early radio traffic described the truck catching fire and two vehicles going off the roadway into a ditch along the shoulder.
Fire crews responded to what was described as a fully involved truck fire, and a regional traffic alert was issued as all northbound lanes were closed. Four patients were treated along the frontage road, and medical crews requested additional ambulances to the scene. The truck's trailer was reported to be carrying mail, and its load was described as a complete loss in the fire.
The San Joaquin County Sheriff's Office assisted at a nearby secondary location on N. Thornton Rd. and W. Kingdon Rd., where a semi-truck driver was located, and roads were temporarily blocked. It was not immediately clear how that location connected to the original crash scene. Caltrans crews worked to reopen lanes in stages, and the California Highway Patrol's Freeway Service Patrol closed out its response by around 7:09 a.m.
The cause of the crash remains under investigation. No fatalities were reported.
We wish the injured a complete and speedy recovery.
Who Faces the Greatest Risk When a Truck Crash Turns Into a Fire
When a loaded semi catches fire after a highway collision, the danger does not fall evenly on everyone nearby. Occupants of smaller vehicles involved in the initial impact face the most immediate risk, since passenger cars and pickups offer far less structure than a truck cab and can be pushed off the roadway or into a ditch on contact. People who exit their vehicles and stand near live travel lanes, as several reportedly did in this incident, also face a secondary risk from passing traffic even after the original crash is over.
Truck drivers themselves are exposed in a different way. A cab fire can spread quickly from the engine or fuel system, and a driver who cannot get clear before flames reach the structure faces a short window to escape. Responding firefighters and tow operators also work close to burning wreckage and hazardous cargo, which is part of why agencies usually request multiple engines and a hard lane closure before beginning recovery.
According to the Insurance Institute for Highway Safety, 17,008 motor-vehicle crash deaths occurred outside passenger vehicles in crashes involving passenger vehicles in 2023. That figure includes pedestrians, cyclists, and others outside the vehicle cabin, a reminder that highway crash risk extends beyond the people buckled into seats.
Frequently Asked Questions
How can drivers share the road with trucks more safely?
Give commercial trucks extra space, especially ahead of them, since they need much more distance to slow or stop. Avoid lingering in a truck's blind spots, and signal early so drivers have time to react.
Does driver fatigue play a role in truck crashes?
Fatigue is a known factor in commercial truck crashes nationally, particularly during early-morning or overnight hours when circadian alertness is lowest. Federal hours-of-service rules exist specifically to limit consecutive driving time for this reason.
What should I do after a crash involving a commercial truck?
Move to a safe location away from traffic if possible, call 911, and wait for law enforcement to document the scene. Seek a medical evaluation even if injuries seem minor, since some symptoms appear later.
Why do trucks need so much distance to stop?
A loaded semi can weigh tens of thousands of pounds more than a passenger vehicle, and that extra mass means longer stopping distances even in good conditions. Wet roads, downhill grades, or sudden braking can extend that distance further.
What to Do After a Truck Crash in Lodi, CA
If you're involved in or witness a truck crash near Lodi, move to a safe area away from live lanes as soon as it's safe to do so. Call 911 and give dispatchers your exact location, especially on a freeway where mile markers or nearby off-ramps help responders find you quickly.
Even if you feel fine, get checked by a medical provider. Adrenaline can mask pain from whiplash, internal injury, or smoke exposure if a fire was involved. Keep any paperwork from the scene, including a CHP incident number, in case you need it later for insurance or records requests.