Fort Worth 18-wheeler accident cases are won or lost on evidence — and much of the most critical evidence in these cases has a window of availability measured in days, not weeks. The electronic data recorded by the truck before and during the crash. The driver’s hours-of-service records. Surveillance footage from the accident scene and nearby businesses. Witness accounts that are most reliable in the immediate aftermath. Physical evidence at the crash site that changes with every passing hour. Fort Worth truck accident lawyers who understand this reality move immediately when a new case comes in — because waiting even a few days can mean permanent loss of the evidence that would have proven liability conclusively.
Shaw Cowart Attorneys at Law LLP handles Fort Worth 18-wheeler accident cases with the urgency and systematic approach that commercial vehicle litigation demands. Our founding partners are board-certified in personal injury trial law and have built complex truck accident cases against major carriers throughout Texas. When you call Shaw Cowart at 512-499-8900, one of the first actions we take is issuing formal evidence preservation demands to every potentially liable party — requiring them to preserve all physical evidence, electronic data, records, and communications related to the crash.
The Evidence That Determines Outcomes in Fort Worth Truck Cases
Electronic Logging Device Data
Federal regulations require most commercial trucks operating in interstate commerce to be equipped with electronic logging devices that automatically record hours-of-service data. This device creates a tamper-resistant record of when the truck was in motion, when it was stationary, and how the driver’s on-duty and off-duty time was recorded. In a Fort Worth truck crash case, ELD data can establish conclusively whether the driver was in compliance with federal rest requirements at the time of the crash — or whether they had been driving for longer than federal law allows and had the impaired alertness of an overtired driver.
The critical issue is timing. ELD data is stored on a rolling basis and can be overwritten or lost within days if a preservation demand isn’t issued. Shaw Cowart issues these demands immediately in every commercial truck case, creating a legal obligation for the carrier to preserve the data and establishing a record of what was required to be preserved if data later turns out to be missing.
Event Data Recorder Information
The event data recorder — the commercial truck equivalent of an aircraft’s flight data recorder — captures the truck’s speed, brake application timing, engine throttle position, and in some configurations steering inputs in the 30 to 60 seconds before the crash. This objective data is often the most decisive piece of evidence in contested Fort Worth truck accident cases. It can confirm that the truck was traveling at an excessive speed before braking, reveal that brake application was late or incomplete, and establish the physical dynamics of the crash in ways that no eyewitness account can match for precision.
Like ELD data, event recorder information is subject to overwriting if the vehicle is repaired or the data not formally preserved. The preservation demand must be issued before any repairs are made.
Driver Qualification Files
Federal regulations require carriers to maintain comprehensive driver qualification files containing the employment application, commercial driver’s license verification, pre-employment drug and alcohol test results, motor vehicle record checks, and ongoing qualification documentation throughout the driver’s employment. These files reveal whether the driver was properly screened before hire, whether the carrier had information about prior safety violations or disqualifying conditions, and whether qualification was maintained throughout the period of employment.
When a carrier failed to conduct required screening and placed a driver with a disqualifying history on the road, the qualification file provides direct evidence of that failure. These files are subject to specific FMCSA retention requirements, and a preservation demand ensures they are secured before any business record destruction policy could eliminate them.
Maintenance Records
FMCSA regulations require carriers to maintain systematic inspection, preventive maintenance, and repair records for every vehicle in their fleet. When maintenance records show a documented deficiency — a brake warning, a tire condition flag, a steering inspection note — that was present before the crash and left unrepaired, those records provide powerful evidence of carrier negligence. The carrier knew the vehicle was in a compromised condition and sent it out anyway. That is not a close judgment call about reasonableness — it is a documented, deliberate decision with foreseeable consequences.
Dispatch Records and Communications
Dispatch records and communications between the carrier and the driver can reveal the delivery schedule the driver was operating under — and whether the timeline could only be met by violating hours-of-service rules. When carriers schedule deliveries with timelines that require drivers to skip required rest, the dispatch records document that the company structure itself created the conditions for the crash. These records, like all carrier records, are subject to business retention periods that can result in their destruction if a preservation demand isn’t issued promptly.
Physical Evidence at the Scene
Skid marks that establish pre-impact speed and braking point. Gouge marks in the pavement that identify the point of impact. Debris fields that map the collision sequence. These physical markers change with every hour of normal traffic and deteriorate further with weather. Scene documentation must happen quickly — and accident reconstruction experts who can analyze physical evidence while it remains interpretable are most effective when engaged in the immediate aftermath of the crash.
Contact Shaw Cowart’s Fort Worth truck accident lawyers at 512-499-8900 immediately after a serious crash. Free consultation, no fee unless we win.
