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The Border Freight and Layered Insurance Behind San Diego Truck Crashes
A San Diego truck accident claim often involves freight moving to or from the Otay Mesa border crossing.
Close to a million commercial trucks entered the United States there in 2025, onto SR-905 and the freeways north of it.
A for-hire carrier hauling general freight must carry at least $750,000 in liability coverage, and a Mexican carrier must buy it from an insurer authorized in a U.S. state.
The driver, the carrier, the broker, and the company that loaded the trailer can each share responsibility.
California's pure comparative fault rule lets you recover even if you were partly at fault.
Most truck accident claims must be filed within two years, and within six months when a public agency is involved.
If a commercial truck hit you in San Diego County, call (888) 713-6653 with your questions.
SR-905, I-805, I-5, and the Freight Corridors South of Downtown
"Otay Mesa took in 990,111 commercial trucks in 2025, second only to Laredo on the U.S.-Mexico border."
Federal border data counted 1,059,759 trucks entering at Otay Mesa in 2024 and 990,111 in 2025, and those counts include only northbound entries.[1] Each of those trucks then shares the South Bay's freeways with commuters.
SR-905 and the Otay Mesa port of entry
SR-905 runs west from the Otay Mesa commercial crossing to I-805 and I-5, connecting the port of entry directly to the interstate system.
I-805 and I-5 through Chula Vista and National City
The two north-south interstates carry freight from the border toward downtown, the port's marine terminals, and the rest of the state.
SR-125 and I-15 to the east and north
SR-125, the tolled South Bay Expressway, connects Otay Mesa to the eastern suburbs, and I-15 carries freight north through inland San Diego County toward Riverside County.
Crashes on these freeways are investigated by the California Highway Patrol rather than city police, so the CHP report, its photographs, and its witness list are the first records to request.
Mexican Carriers and the U.S. Insurance a Cross-Border Truck Must Carry
A carrier based in Mexico needs a USDOT number, an FMCSA-assigned MX number, and a Certificate of Registration, and its insurer must be one authorized in a U.S. state or another option federal rules accept, which do not include Mexican insurers.[2] Each truck must carry an English-language MCS-90 endorsement as proof, and the carrier must name a process agent in the United States.
For general freight, the federal minimum is $750,000, and $1 million or $5 million for hazardous materials.[3] A carrier working only inside the border commercial zone may buy that coverage by the day, so the policy in force on the date of the crash is the one to identify.
A private car from Mexico follows different rules, explained on our page about crashes with drivers insured in Mexico.
The Hours, Logs, and Maintenance Records That Prove Fault in a Truck Case
Federal rules generate a paper trail for every interstate truck, and that trail is often the strongest evidence of what went wrong.
- Hours of service: a property-carrying driver may drive 11 hours after 10 consecutive hours off duty and may not drive past the 14th hour after coming on duty, under 49 C.F.R. § 395.3[4]
- Electronic logging device data, which records driving time automatically for most carriers, as our page on electronic logging data in truck cases describes
- The driver qualification file, with the license history, medical certificate, and prior employers
- Inspection, repair, and maintenance records the carrier must keep under 49 C.F.R. § 396.3, including brakes and tires[5]
- The truck's engine control module, which can show speed and braking in the seconds before impact
Evidence to Protect in the First Days
The carrier's name and USDOT number from the door of the cab, and the trailer's number.
The CHP report number and the officer's name.
Photos of the scene, the vehicles, skid marks, and any cargo on the road.
Names and phone numbers of witnesses, including other truck drivers.
A written request to preserve the logs, dashcam video, and engine data, sent before the carrier's routine deletion schedule runs.
What a preservation letter does, and what happens when a carrier destroys evidence anyway, is explained on our page about spoliation and the preservation letter.
Who Is Liable for a Truck Crash Near the Border?
Freight crossing at Otay Mesa can pass through several hands in a single day. A Mexican carrier may bring the trailer across, a drayage company may move it to a warehouse, and a broker may have arranged the load for a shipper in another state. Each of those companies can be responsible if its own negligence contributed to the crash, and each may carry its own insurance.
A broker that chose a carrier it should have known was unsafe can be part of the case, as our page about freight broker liability explains. The company that loaded or secured an overweight or shifting load can be as well.
The California rules that decide fault in any big-rig case, and the $750,000 insurance floor, are on our page about California truck crash claims.
How Much Is a San Diego Truck Accident Case Worth?
A San Diego truck accident case is worth the full cost of the injuries, reduced by any share of fault that is yours, and the federal $750,000 floor for a carrier is 25 times California's $30,000 minimum for a car.
- The severity of the injury, including surgery, permanent limits, and future care
- Every policy in the chain, from the carrier's primary coverage to excess layers and a broker's or shipper's own insurance
- Lost earnings and earning capacity, measured from the wage records and the medical prognosis
- Your own underinsured motorist coverage, when the truck's coverage is not enough
California sets no cap on pain-and-suffering damages in a truck case, and a driver found partly at fault recovers a reduced share rather than nothing.
The value depends on how early the carrier's records were secured and how fully the injuries are documented.
Two Years to File a Truck Claim, Six Months Against Caltrans
Most truck accident lawsuits in California must be filed within two years of the crash under Code of Civil Procedure § 335.1.[6]
- A dangerous road or a public vehicle: a written government claim to Caltrans, the City, the County, or MTS within six months
- A federal truck or an on-duty military driver: a federal administrative claim within two years
- A death: two years from the date of death
The claim offices for Caltrans District 11 and the county's other public agencies are listed on our page about where San Diego claims are filed.
A carrier's logs and engine data can be gone well before any of these deadlines, so the preservation request matters more than the filing date in the first weeks.