Trucking Accidents: Federal Regs (HOS, maintenance) and Preservation

December 11, 2025by Anthony N. Picillo

Trucking accidents in New Jersey often involve both state negligence law and federal trucking regulations. Understanding Hours of Service (HOS) limits, required maintenance records, and how to send a preservation letter is critical to protecting your claim. If you’ve been injured, a New Jersey Personal Injury Lawyer can help ensure key evidence is preserved before it disappears. 

How NJ Law Applies to Trucking Accidents

Truck accident cases in New Jersey combine state tort law and federal safety standards.

– Negligence claims follow N.J.S.A. 2A:15-5.1, New Jersey’s Comparative Negligence Act, which reduces recovery if the plaintiff shares fault. 
– Statute of limitations: Most personal injury claims must be filed within two years. See N.J.S.A. 2A:14-2(a). 
– Discovery of evidence: NJ Court Rules (R. 4:18-1) permit requests for trucking logs, maintenance records, and black box (event data recorder) data. 

Federal law also plays a central role: 
– Hours of Service (HOS) rules limit how many hours truck drivers can drive before rest. See 49 C.F.R. Part 395. 
– Maintenance regulations require carriers to keep records of inspections, repairs, and tests. See 49 C.F.R. Part 396. 

What Evidence Matters in Trucking Cases

The most critical evidence often includes: 

– Driver logs (electronic logging devices mandated by federal law). 
– Maintenance records proving whether the truck was inspected and repaired as required. 
– Black box/EDR data, which records speed, braking, and engine performance before the crash. 
– Police reports and citations (especially HOS or weight violations). 
– Witness statements from other drivers or bystanders. 
– Medical records documenting injuries, treatment, and prognosis. 
– Photos/videos of the accident scene, skid marks, and vehicle damage. 

Preservation Letters: Why They Matter

A preservation letter is a formal request sent to the trucking company demanding that they keep all potentially relevant evidence. Under NJ law, if evidence is destroyed after such a request, courts may impose spoliation sanctions (penalties for destroying evidence). See Rosenblit v. Zimmerman, 166 N.J. 391 (2001). 

Preservation letters typically demand: 
– Electronic logging device (ELD) data. 
– Truck driver qualification file. 
– Maintenance and inspection reports. 
– Dashcam or surveillance footage. 
– Bills of lading and delivery records. 

Common Mistakes & How to Avoid Them

  1. Delaying preservation letters – Trucking companies only need to keep logbooks for 6 months under federal law (49 C.F.R. §395.8). Waiting may mean evidence is lost. 
    2. Relying only on police reports – These often miss critical federal regulation violations. 
    3. Not hiring experts early – Accident reconstructionists can analyze skid marks and vehicle dynamics. 
    4. Failing to request medical lien documentation – Health insurers, Medicare, or Medicaid may claim repayment from a settlement. 
    5. Assuming all NJ courts apply rules identically – Some trial courts vary in how strictly they enforce spoliation sanctions. 

Attorney’s Perspective

From a practice standpoint, trucking cases are document-heavy and expert-driven. Without immediate legal action, black box data, dashcam footage, and logbooks may disappear. If there is uncertainty about what evidence is available in your county, an attorney should act fast to issue subpoenas and file motions to compel. 

Checklist: Next Steps After a Truck Accident

– Seek immediate medical care. 
– Obtain the police crash report. 
– Photograph injuries, vehicles, and the accident scene. 
– Contact a personal injury attorney quickly. 
– Have counsel send a preservation letter to the trucking company. 
– Track medical bills, lost wages, and out-of-pocket expenses. 
– Avoid speaking with the trucking company’s insurer without legal advice. 

FAQ: Trucking Accidents in NJ

Q1: How long do trucking companies keep driver logbooks? 
A: Six months under federal law (49 C.F.R. §395.8). After that, they can be destroyed unless preserved by request. 

Q2: What is an Hours of Service (HOS) violation? 
A: Driving beyond federally allowed limits (e.g., more than 11 hours in a 14-hour period without proper rest). See 49 C.F.R. Part 395. 

Q3: Can black box data be used in NJ court? 
A: Yes. NJ courts allow admission of electronic crash data if authenticated under NJ Evidence Rule 901. 

Q4: What happens if a trucking company destroys evidence after a preservation letter? 
A: Courts may impose sanctions, including jury instructions presuming the evidence was unfavorable. See Rosenblit v. Zimmerman. 

Q5: Do I need an expert witness in a trucking case? 
A: In most serious cases, yes. Accident reconstructionists, economists, and medical experts often testify to damages and causation. 

Call to Action

If you or a loved one has been injured in a trucking accident, don’t wait to act. Evidence disappears quickly, and federal rules create strict timelines. Contact Anthony Picillo – New Jersey Personal Injury Lawyer for a free consultation today. 

Anthony Picillo, Attorney at Law 
111 Northfield Ave #306, West Orange, NJ 07052 (Visit on Google Maps)
📞 (973) 731-0409 | ✉️ apicillo@apicillolaw.com | 🌐 anthonypicillolaw.com

Disclaimer

Informational only, not legal advice; no attorney-client relationship; outcomes not guaranteed. 
Last reviewed: October 2, 2025. 

Law may have changed after this date.