Federal Trucking Rules That Decide a Truck Accident Case in Florida

Florida law adopts federal commercial vehicle safety regulations under Fla. Stat. § 316.302, which means every tractor-trailer on the Florida Turnpike, I-75, or the Palmetto Expressway must follow FMCSA rules on driving hours, driver qualifications, drug testing, and vehicle maintenance. When a trucking company or driver breaks one of those rules and a crash follows, that violation becomes powerful evidence of negligence in your civil claim. Understanding which rule was broken, and demanding that evidence before it disappears, is often what separates a strong case from one that stalls.

Why do federal rules apply to a truck crash that happened on a Florida highway?

Florida did not write its own commercial vehicle safety code from scratch. Instead, Fla. Stat. § 316.302 adopts the federal FMCSA regulations in Title 49 of the Code of Federal Regulations and makes them enforceable under state law. This applies to both interstate carriers (those crossing state lines) and intrastate carriers operating only within Florida. That means every big rig moving freight into or out of Miami-Dade on the Florida Turnpike, I-75, or SR 826 (Palmetto Expressway) must obey these rules. The Florida Highway Patrol investigates many commercial vehicle crashes on these highways, and when they find a violation, it is not just a citation, it is evidence the driver or company failed to meet the legal standard of care required in court.

What do hours-of-service rules and ELD data actually show after a crash?

Federal hours-of-service rules limit how long a driver can be behind the wheel. For interstate drivers hauling property, the rules allow up to 11 hours of driving after 10 straight hours off duty, but no driving past the 14th consecutive hour on duty. They also require a 30-minute break after 8 cumulative driving hours and cap work at 60 or 70 hours per week depending on the schedule. Florida’s intrastate rules, found in Fla. Stat. § 316.302(2)(b) and (c), allow slightly more: up to 12 hours of driving after 10 off-duty hours, no driving after the 16th hour on duty, and weekly limits of 70 or 80 hours. An electronic logging device (ELD) automatically records engine use, location, and driver status, creating a hard-to-falsify record. If the ELD shows the driver exceeded legal limits before crashing on the Palmetto or I-75, that supports a claim of fatigue-based negligence. Carriers who pressure drivers to break these rules share responsibility. Because carriers do not keep this data forever, it should be preserved quickly.

What is a driver qualification file and why does it matter to your case?

Every commercial driver must have a driver qualification file maintained by the carrier. Under 49 CFR Part 391 (incorporated by Fla. Stat. § 316.302), this file includes a valid commercial driver’s license (CDL), a current medical examiner’s certificate proving physical fitness, and at least three years of driving history. These documents show whether the driver was legally qualified to operate the truck and whether the carrier knew about past crashes, suspensions, or violations. If the file reveals red flags, like repeated traffic convictions or a lapsed medical card, and the carrier still put that driver on a busy corridor like I-75, the company could face a negligent hiring or retention claim. These files are not handed over automatically. They must be requested early through a preservation demand or discovery.

What are the drug and alcohol testing rules for commercial drivers after a crash?

Federal rules require post-accident drug and alcohol testing when a crash involves a fatality, or when the truck driver is cited and someone is treated for an injury away from the scene or a vehicle must be towed. Under 49 CFR Part 382 (incorporated by Fla. Stat. § 316.302), these tests must be completed within strict, short time windows after the crash. A driver who does not remain available for testing can be treated as having refused it. A positive result can be strong evidence; a missing or never-conducted test suggests the carrier ignored its safety duties. This is separate from random or pre-employment testing. The driver’s full testing history may also matter if it shows prior issues the carrier overlooked. Because the deadlines are tight, contacting an attorney right after the crash helps ensure the carrier cannot sidestep this obligation.

How do inspection and maintenance violations become evidence in a truck accident claim?

Federal rules require carriers to inspect trucks before every trip and keep written records of those inspections and any repairs. Under 49 CFR Part 396 (incorporated by Fla. Stat. § 316.302), those inspections cover parts such as brakes, tires, and lights. If inspection logs show known brake defects before a crash, or maintenance records reveal repeated deferrals, that connects the carrier’s neglect to the collision. Florida Highway Patrol and other agencies conduct roadside checks and can place trucks “out of service” for safety violations. Roadside inspections regularly find trucks with defects serious enough to take them off the road. On high-load routes like the Turnpike and I-75, brake and tire wear are real risks, and paper trails prove whether the carrier addressed them.

Why does demanding this evidence immediately matter more than the two-year lawsuit deadline?

You generally have two years from the crash date to file a negligence lawsuit in Florida under Fla. Stat. § 95.11, but that changed from four years for injuries on or after March 24, 2023. However, critical evidence like ELD data, dashcam footage, and maintenance logs is not kept forever, and some of it, such as dashcam video, can be overwritten quickly. A formal written preservation demand puts the carrier on notice to keep it. Once you send that letter, the carrier must hold all relevant records, including driver qualification files, drug test results, inspection reports, and black box data, or risk sanctions. If they destroy evidence after receiving the demand, a judge may instruct the jury to assume the missing proof would have hurt the trucking company. Do not wait. explains exactly what to demand and how.

Frequently asked questions

Do these federal trucking rules apply if the truck that hit me was only driving within Florida and not crossing state lines?
Yes. Florida law incorporates federal FMCSA rules for both interstate and intrastate commercial carriers under Fla. Stat. § 316.302. Intrastate drivers follow slightly different hours-of-service limits set by Florida statute, but the same federal standards on drug testing, driver files, and vehicle maintenance apply.

How can I tell if the truck driver was over their hours-of-service limit before the crash?
You cannot tell from the police report alone. The answer lies in the ELD data, logbooks, and dispatch records. Only an attorney can formally demand this evidence and analyze it against the correct federal or state limits.

What if the trucking company says the driver was an independent contractor and not their employee?
Florida courts look beyond labels. If the company controlled the driver’s schedule, routes, or equipment, they may still be liable regardless of contract wording. Federal safety rules apply to the carrier regardless of employment classification.

The company has not been tested for drugs after the crash, does that hurt my case or theirs?
It can hurt theirs. Federal rules require post-accident testing after certain crashes. Failure to test, especially if the window passed, can be used as evidence the carrier violated safety protocols. It may support a claim of negligence even without a positive result.

I already talked to the insurance adjuster and said I was okay. Did I hurt my case?
Saying you were “okay” does not end your claim. Adrenaline masks pain after a crash, and injuries often appear days later. Do not give any recorded statement without speaking to a lawyer first. You still have rights if you act quickly.

Related reading: A truck hit me in Hialeah. Is that different from a car accident? · The 14-day PIP rule in Florida: what happens if you wait to see a doctor after a Hialeah car accident · How long do I have to file an injury lawsuit in Florida? The two-year rule after HB 837 · The driver who hit me in Hialeah has no insurance. What now?

Hurt in an accident in Hialeah? Call Wolfson & Leon at (305) 285-7071 for a free consultation. We speak Spanish, and there is no fee unless we win.