By the time the ambulance leaves the scene, the trucking company’s lawyers are already there. David Armstrong, Executive Vice President of Property Americas at the third-party administrator Sedgwick, put the underlying point on the record when his company launched a 24/7 Accident Response Team for commercial trucking claims:

“No two trucking accidents are the same, and the difference between a well-managed claim and a costly dispute often comes down to what happens in the first few hours.”

— David Armstrong, Sedgwick

That is not an exception. It is the industry standard. The Insurance Institute for Highway Safety counted 4,764 deaths in large-truck crashes in 2022, and in two-vehicle crashes involving a large truck, 96% of the occupants who died were in the passenger vehicle. Every one of those cases triggered the same response: a defense team activates within hours while the victim’s family is still in the emergency room.

Here are the five plays carriers run in the first 48 hours, the FMCSA regulations that govern each, and the countermove that preserves a case.

Written by Kigan Martineau, managing attorney at Benzion And Martineau Personal Injury Lawyers, with experience handling commercial trucking cases across Utah and Idaho.

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TL;DR

• Carriers dispatch a rapid-response team within hours of a serious crash.

• Heavy-truck ECM (electronic control module) data can be overwritten by subsequent driving events.

• The FMCSA requires only 6 months of ELD log retention (49 CFR 395.8); 3 months for driver vehicle inspection reports (49 CFR 396.11).

• The carrier must complete federally mandated post-accident drug and alcohol testing inside 32 hours (49 CFR 382.303).

• A written spoliation letter, served within 48 hours, is the single highest-leverage move a victim’s family can make.

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Why the First 48 Hours Decide the Case

Truck crashes produce evidence that decays on a clock. Skid marks weather. ECM event buffers overwrite. Witnesses scatter. Drivers get coached. Meanwhile, the carrier already knows every regulatory deadline because the carrier wrote internal policies around them. The victim’s family does not.

The asymmetry is structural, not accidental. The FMCSA’s Large Truck and Bus Crash Facts 2022 report logged 6,050 large trucks and buses involved in fatal crashes, a 2% year-over-year increase. NHTSA’s 2022 Traffic Safety Facts put total deaths from crashes involving large trucks at 5,837. Every one of those collisions was a moving target of evidence that a coordinated defense team was already chasing.

Armstrong is right. He is also describing how the industry defends claims, not how victims preserve them.

The five plays below are what that response actually looks like.

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Play 1: Dispatch a Rapid-Response Team to the Scene

Within hours of a reported serious crash, the carrier’s risk-management contact triggers a pre-existing contract with a defense law firm, an accident-reconstruction vendor, and a third-party administrator. The team gets on the road or in the air immediately.

This is not speculation. Major AmLaw 200 transportation-defense practices openly market 24/7 trucking-accident rapid response as a named practice area. On the insurer side, Sedgwick (referenced above) is one of several national third-party administrators that field investigators within hours of a commercial-trucking incident.

A rapid-response team typically includes:

• Defense counsel (often the carrier’s regular outside transportation lawyer)

• An accident reconstructionist

• An ECM download technician

• A scene investigator with photogrammetry and drone capability

• An adjuster from the carrier’s insurer or TPA

By the time the victim’s family has identified a personal injury attorney, this team has already photographed the scene, downloaded what it could from the truck, and started interviewing witnesses.

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Play 2: Download the ECM Before the Data Overwrites

Every modern commercial truck has an electronic control module that logs speed, throttle, braking, engine RPM, and event data around hard-brake and crash events. Unlike passenger-vehicle event data recorders, which are governed by 49 CFR Part 563, there is no federal retention mandate for commercial-truck ECM data. The carrier sets the rules.

That gap is the single most underreported issue in trucking litigation. Robson Forensic, a national expert-witness engineering firm, lays out exactly what can go wrong:

“There are some instances where data from the ECM is lost. This can occur from severe damage to the ECM, in some configurations where electrical power is removed from the system, and in other instances where incident data is overwritten by subsequent triggered events.”

— Robson Forensic, Heavy Truck Event Data Recorders

In plain English: if the tractor is towed, re-keyed, or driven again, the crash record can be lost. The carrier knows this. The carrier’s rapid-response technician will image the ECM at the scene or at the tow yard, often inside the first 24 hours. The victim’s family is usually unaware the device exists.

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Play 3: Isolate the Driver and Lock Down the Witness List

The driver becomes the carrier’s protected asset the moment the crash is reported. The carrier’s lawyer instructs the driver not to speak to anyone outside the company. The driver is offered counsel. Witness statements are taken by the carrier’s own investigator while memories are fresh and before any plaintiff’s counsel is engaged.

In parallel, the carrier’s insurer often phones the injured party directly within 24 to 48 hours to obtain a recorded statement. Those statements are used to lock the victim into a version of events before they have a lawyer or a complete picture of their injuries. There is no rule that requires giving one. The right answer is to decline, in writing, and refer the adjuster to your attorney once you have one.

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Play 4: Complete FMCSA Post-Accident Drug and Alcohol Testing on the Carrier’s Timeline

Under 49 CFR 382.303, the carrier must drug- and alcohol-test the driver after any qualifying crash. Alcohol testing must be performed within 8 hours; drug testing within 32 hours. If the carrier cannot test within those windows, it must document why.

This regulation cuts both ways. It generates evidence that, depending on results, either helps or hurts the carrier. The carrier controls the chain of custody, the lab, and the paperwork. By the time a victim’s lawyer subpoenas the testing record months later, it has already been filtered through carrier counsel. The countermove is to ask, in writing and within 48 hours, for confirmation that 382.303 testing was completed and to put the carrier on notice that the records will be sought through formal discovery.

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Play 5: Begin Lawful Evidence Destruction Inside the Retention Windows

This is the play most victims never see coming. The FMCSA’s record-retention rules are floors, not ceilings, and many carriers keep records exactly that long and no longer.

• 49 CFR 395.8(k) — Records of Duty Status (RODS / ELD logs): 6 months from date of receipt.

• 49 CFR 395.11 — Supporting documents (toll receipts, fuel receipts, dispatch records, payroll): 6 months.

• 49 CFR 396.11 — Driver Vehicle Inspection Reports: 3 months from date prepared.

Destruction inside the window is not spoliation. Outside the window, with notice that litigation is anticipated, it is. The bridge is a litigation hold (spoliation) letter, served as soon as humanly possible after the crash.

The federal framework traces to Silvestri v. General Motors Corp., 271 F.3d 583 (4th Cir. 2001), and has been applied across trucking-evidence cases nationwide ever since.

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The 48-Hour Countermove

Time	What the carrier does	What the victim’s family or lawyer must do
T+1h	Notifies risk management; dispatches rapid-response team.	Calls 911 if not already responding; gets the police report number.
T+6h	Reconstructionist on scene; photographs skid marks, debris field, ECM port location.	Preserves clothing, vehicle position, and damage photos. Does not move debris if safe to remain.
T+24h	Driver interviewed by carrier counsel; witnesses locked down; recorded statement attempted from the injured party.	Refuses every recorded statement to the carrier’s insurer. Schedules a consult with a trucking-specific personal injury attorney.
T+32h	Completes FMCSA post-accident drug and alcohol testing per 49 CFR 382.303.	Sends written confirmation request that 382.303 testing was completed.
T+48h	Begins assembling the carrier’s preferred record; ECM imaged; supporting documents pulled into legal hold inside the company.	Retains counsel and serves a written spoliation / litigation hold letter naming the ECM, ELD, dashcam footage, DVIRs, driver qualification file, dispatch records, Qualcomm or Omnitracs telematics, and any third-party administrator file.

If you are reading this and the clock is still running on a recent crash, the 48-hour spoliation letter is the highest-leverage single action available. Talk to a trucking-injury attorney now before that window closes.

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What to Do in the First 48 Hours If Your Family Member Was Hit by a Commercial Truck

1. Call 911 if no one has yet. Get the official police report number before anyone leaves the scene.

2. Get medical treatment and keep every record, including the emergency-department discharge papers.

3. Do not speak to the trucking company’s insurance adjuster. Decline recorded statements in writing.

4. Photograph everything: the vehicle, the debris field, the road, visible injuries, and your discharge paperwork.

5. Within 48 hours, retain a personal injury attorney who handles commercial trucking cases specifically. General personal injury practice is not enough.

6. Have your attorney serve a written spoliation letter naming every category of evidence: ECM, ELD, dashcam, DVIRs, driver qualification file, dispatch records, telematics, post-accident testing results, and third-party administrator file.

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Frequently Asked Questions

How long does a trucking company have to preserve evidence after a crash?

Federal rules set minimum retention windows, not maximums. Under 49 CFR 395.8 and 395.11, ELD records of duty status and supporting documents must be kept 6 months. Under 49 CFR 396.11, driver vehicle inspection reports must be kept 3 months. After a litigation hold letter is served, the duty to preserve extends until the case ends.

Can a trucking company delete black box data after an accident?

Heavy-truck ECM data has no federal retention mandate. New crash or hard-brake events can overwrite earlier events, and a tow or re-keying can wipe the buffer in some configurations. Until a written spoliation letter is served, lawful destruction is possible. A demand for ECM imaging within days of the crash is essential.

What is a spoliation letter and when should it be sent?

A spoliation or litigation hold letter is a written demand that the carrier, its insurer, and any third-party administrator preserve all evidence related to the crash. It should be sent as soon as possible, ideally inside 48 hours, and name every category of evidence: ECM data, ELD logs, DVIRs, dashcam, driver qualification file, dispatch, and telematics.

How fast does a trucking company’s rapid-response team get to the scene?

Within hours, often within one. National AmLaw 200 transportation-defense practices and major third-party administrators like Sedgwick advertise 24/7 trucking-accident response with investigators dispatched immediately after notice. Treat the carrier as already in motion the moment the crash is reported.

Should I give a recorded statement to the trucking company’s insurer?

No. There is no rule that requires it. Recorded statements are taken to lock you into a version of events before you have counsel or a full picture of your injuries. Decline in writing, refer the adjuster to your attorney once retained, and document the request and your refusal.

What is FMCSA post-accident drug and alcohol testing?

Under 49 CFR 382.303, after a qualifying crash the carrier must drug-test the driver within 32 hours and alcohol-test within 8 hours. If testing did not occur, the carrier must document why. The records are discoverable in litigation and become a fast indicator of how seriously the carrier is taking the file.

How long is commercial truck dashcam footage kept?

Dashcam retention varies by carrier policy. Many systems overwrite on a 30 to 90 day rolling window unless an event flag or manual hold preserves the clip. There is no federal mandate. A spoliation letter that names dashcam footage by system (Lytx, SmartDrive, Samsara, Netradyne) prevents routine overwrite.

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Author

Kigan Martineau is the managing attorney at Benzion And Martineau Personal Injury Lawyers, serving injured clients across Utah and Idaho with a focus on commercial trucking and catastrophic injury cases. Author archive.

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Sources

1. Insurance Institute for Highway Safety. “Fatality Facts 2022: Large Trucks.”
   https://www.iihs.org/topics/fatality-statistics/detail/large-trucks

2. Federal Motor Carrier Safety Administration. “Large Truck and Bus Crash Facts 2022.”
   https://www.fmcsa.dot.gov/safety/data-and-statistics/large-truck-and-bus-crash-facts-2022-1

3. National Highway Traffic Safety Administration. “Traffic Safety Facts: Large Trucks – 2022 Data.”
   https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/813588

4. Sedgwick. “Sedgwick launches new 24/7 Accident Response Team to transform commercial trucking claims.”
   https://www.sedgwick.com/press-release/sedgwick-launches-new-24-7-accident-response-team-to-transform-commercial-trucking-claims/

5. Robson Forensic. “Heavy Truck Event Data Recorders – Expert Witness.”
   https://www.robsonforensic.com/articles/heavy-truck-event-data-recorders-expert-witness

6. National Highway Traffic Safety Administration. “Event Data Recorder.”
   https://www.nhtsa.gov/research-data/event-data-recorder

7. eCFR. “49 CFR 395.8 – Driver’s record of duty status.”
   https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-395/subpart-A/section-395.8

8. eCFR. “49 CFR 395.11 – Supporting documents.”
   https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-395/subpart-A/section-395.11

9. eCFR. “49 CFR 396.11 – Driver vehicle inspection reports.”
   https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-396/section-396.11

10. eCFR. “49 CFR 382.303 – Post-accident testing.”
    https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-382/subpart-C/section-382.303

11. Silvestri v. General Motors Corp., 271 F.3d 583 (4th Cir. 2001).
    https://casetext.com/case/silvestri-v-general-motors-corp

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