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Terms You Will Encounter
These are the terms that appear in the documents an injured person actually receives: the Florida crash report, the carrier's records once they are produced, and the letters from the insurer. Definitions here are written to be usable rather than exhaustive, and each one that connects to a fuller explanation on this site links to it.
The document issued by a carrier acknowledging receipt of cargo and setting the terms of carriage. In a crash claim it identifies the shipper, the carrier, the load, and the intended route.
The tractor's engine control module and event data recorder, which capture speed, throttle, brake application, and fault codes around a hard-braking or crash event. See black box evidence.
A licensed intermediary that arranges transportation between a shipper and a motor carrier without taking possession of the freight. Whether a broker can be liable turns on its role and on the carrier selection.
A tractor operating with no trailer attached. Handling and braking differ substantially from a loaded combination, and bobtail insurance is a distinct coverage.
Commercial driver's license, required under 49 CFR Part 383 with endorsements for particular vehicle and cargo types, such as tankers, doubles/triples, and hazardous materials.
Florida's rule for allocating fault. Under Fla. Stat. § 768.81, recovery is reduced by the claimant's share of fault and barred above 50% for causes of action accruing on or after March 24, 2023.
Florida common-law rule making the owner of a motor vehicle vicariously liable for the negligence of a permissive user. See the doctrine explained.
Driving with an empty trailer, typically between a delivery and the next pickup. Deadhead miles are unpaid on many pay structures, which is one reason schedule pressure is a recurring issue.
Driver vehicle inspection report, the pre- and post-trip record required under 49 CFR § 396.11. Retained three months from preparation.
Electronic logging device, which records driving time automatically and is required for most interstate drivers under 49 CFR Part 395 subpart B. Carrier retains records six months.
The Federal Motor Carrier Safety Administration, the agency within the U.S. Department of Transportation that writes and enforces the safety rules in 49 CFR Parts 350–399.
Federal Motor Vehicle Safety Standards governing rear impact guards on trailers and semitrailers, which took effect for newly manufactured trailers in 1998. Central to many underride cases.
The federal driving-time limits in 49 CFR Part 395 — broadly, 11 hours driving after 10 consecutive hours off duty, within a 14-hour on-duty window. See how the clocks work.
Interstate carriers cross state lines or carry freight in interstate commerce and are governed by the federal rules. Purely intrastate Florida carriers are governed by state adoptions of those rules, which differ in some particulars.
A loss of control in which the trailer swings out of line with the tractor, typically from a drive-axle skid. See jackknife crashes.
An agreement under which a medical provider treats an injured person and defers payment until the claim resolves. Fla. Stat. § 768.0427 governs what a jury is shown about them.
The blind-spot areas around a large truck — directly in front, directly behind, and along both sides, largest on the right. See no-zones.
A finding at a roadside inspection that a driver or vehicle may not operate until a defect or violation is corrected. A more serious inspection outcome than a citation alone.
A driver who owns their tractor and operates under lease to a motor carrier. The lease terms, not the label, generally determine the carrier's responsibility.
Personal injury protection, Florida's no-fault first-party medical and wage benefit under Fla. Stat. § 627.736, with a $10,000 standard limit and a 14-day treatment requirement.
The showing in Fla. Stat. § 627.737 required before a person covered by PIP can sue for pain and suffering.
The diamond-shaped hazard label required on vehicles carrying hazardous materials under 49 CFR Part 172, identifying the hazard class and material.
The driver's log of on-duty, driving, sleeper-berth, and off-duty time. Retained six months under 49 CFR § 395.8(k)(1).
The loss or destruction of evidence relevant to anticipated litigation. A preservation letter puts a party on notice and changes the consequences of later destruction.
The deadline to file suit. For Florida negligence causes of action accruing on or after March 24, 2023 it is generally two years under Fla. Stat. § 95.11(5)(a).
A pair of axles close together, sharing load. Sliding the trailer tandems changes weight distribution across axles and affects both legal axle weights and handling.
The weight of the empty vehicle. Gross weight minus tare weight gives the cargo weight, which matters for both securement and axle-load questions.
A collision in which a passenger vehicle travels beneath a truck's trailer. See underride crashes.
Uninsured and underinsured motorist coverage, a first-party benefit governed by the policy and Fla. Stat. § 627.727.
The unique identifier assigned to a motor carrier, displayed on the vehicle and used to search federal safety records.
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Shiner Law Group was founded by David I. Shiner, Esq., a Nova Southeastern University law graduate, a member of The Florida Bar since 2002, and AV Preeminent® rated by Martindale-Hubbell. The firm represents injured people across Florida from offices in Boca Raton, West Palm Beach, Fort Lauderdale, Fort Pierce, Orlando, Wellington, and Belle Glade, and handles truck accident cases on contingency: free consultations, and no fee unless there is a recovery.
Where These Terms Show Up on a Florida Crash Report
The Florida Traffic Crash Report is the document most people see first, and it is where several of these terms make their first appearance. A few orientation points:
- The USDOT number and carrier name appear in the commercial vehicle section. That section is what makes the carrier's federal safety record searchable.
- Vehicle configuration and cargo body type distinguish a tractor-semitrailer from a single-unit truck, which changes which federal rules apply.
- Hazardous materials indicators and placard numbers appear where relevant, and they identify the material class.
- The narrative and diagram are the investigating officer's account. They are evidence of the officer's observations and conclusions, not a legal finding of fault.
- Contributing circumstances codes are the officer's assessment. They matter, but the codes are not the same thing as a determination of liability under Fla. Stat. § 768.81.
How to obtain the report and what the 60-day confidentiality period means is covered on our Florida crash report page.
Quick Acronym Reference
| Acronym | Meaning |
|---|---|
| BASIC | Behavior Analysis and Safety Improvement Category — one of the seven groupings FMCSA uses to organize roadside violation data. |
| CDL | Commercial driver's license (49 CFR Part 383). |
| CMV | Commercial motor vehicle, as defined in 49 CFR § 390.5. |
| DVIR | Driver vehicle inspection report (49 CFR § 396.11). |
| ECM / EDR | Engine control module / event data recorder — the tractor's crash-relevant electronic data. |
| ELD | Electronic logging device (49 CFR Part 395 subpart B). |
| FLHSMV | Florida Department of Highway Safety and Motor Vehicles. |
| FMCSA | Federal Motor Carrier Safety Administration. |
| FMVSS | Federal Motor Vehicle Safety Standard. |
| GVWR | Gross vehicle weight rating — the manufacturer's maximum loaded weight for a single vehicle. |
| HOS | Hours of service (49 CFR Part 395). |
| PIP | Personal injury protection (Fla. Stat. § 627.736). |
| RODS | Records of duty status — the driver's log. |
| SMS | Safety Measurement System — FMCSA's public inspection and violation data system. |
| UM / UIM | Uninsured / underinsured motorist coverage (Fla. Stat. § 627.727). |
Why the Vocabulary Matters to a Claim
Terminology in a truck case is not decoration. Several of these words are the difference between two entirely different claims.
- Carrier vs. broker vs. shipper. Three different entities with three different bodies of law governing their responsibility. Getting the role right determines who can be pursued. See who is liable.
- Employee vs. owner-operator. The label on the lease does not settle it; the arrangement does. Both routes can reach the carrier, but by different theories.
- Interstate vs. intrastate. Determines whether the federal rules apply directly or through Florida's adoption of them, which differs in some particulars.
- Permanent injury vs. injury. Under Fla. Stat. § 627.737, that distinction decides whether non-economic damages are available at all.
- Confidential vs. privileged. The 60-day crash report period in Fla. Stat. § 316.066 is a confidentiality and use restriction, not the same thing as attorney-client privilege.
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