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After a collision with a commercial truck, you often hear the same line: "You were in my blind spot." It sounds definitive, but it isn't. Under Virginia law, truck drivers carry a legal duty to check their mirrors, signal properly, and confirm a lane is clear before moving into it. When they fail that duty, the blind spot defense doesn't hold up.
A skilled Virginia truck accident lawyer can build cases around the evidence trucking companies hope you never see: mirror condition records, electronic data, camera footage, and expert reconstruction. That evidence tells a different story than the driver's initial account.
Why Does a Truck's Blind Spot Matter Legally?
Large commercial trucks have blind spots on all four sides. FMCSA safety materials commonly refer to these blind spots as "no-zones," and they exist directly behind the trailer, along both sides, and immediately in front of the cab.
How Big Are Truck Blind Spots?
A fully loaded 18-wheeler can measure 70 feet or longer. FMCSA educational materials commonly illustrate the rear blind zone as extending up to 30 feet behind the trailer, the right-side blind zone as spanning roughly two lanes, and a shorter zone on the left. Actual visibility varies depending on the truck, trailer configuration, mirror setup, and road conditions.
Commercial drivers must be satisfied that the required equipment, including rear-vision mirrors, is in good working condition before operating the vehicle. A driver who can't see adjacent traffic because mirrors are damaged, obstructed, or improperly checked before the trip has performed a pre-trip inspection failure.
What Virginia Law Requires Before a Lane Change
Virginia Code § 46.2-848 requires drivers to signal and confirm that a lane change can be made safely before executing it. Using a signal does not relieve a driver of the duty to make sure the lane change can be completed safely.
That obligation applies to commercial truck drivers the same as anyone else. Commercial drivers are expected to understand and manage known blind-spot hazards.
How Is Liability Proven When a Truck Driver Claims a Blind Spot Defense?
The blind spot defense tends to fall apart quickly when a thorough investigation takes place. Several categories of evidence can show the truck driver either knew, or should have known, the lane wasn't clear.
Electronic Data from the Truck Itself
Imagine a driver on I-95 near Richmond who claims a passenger car appeared suddenly in the right blind spot. Event Data Recorder (EDR) data shows no reduction in speed and no steering correction in the seconds before impact, nothing consistent with a driver who saw a hazard and reacted. That record directly challenges the driver's account.
Camera Footage and Scene Geometry
Footage may exist from dashcams, business surveillance cameras, nearby traffic sources, or other vehicles. An attorney who moves quickly can identify and request what's available before it's overwritten or deleted. The physical evidence at the scene also matters. Impact angles, debris location, and final vehicle positions help reconstruction professionals determine which vehicle moved into the other's path.
Maintenance and Inspection Records
Under 49 C.F.R. Part 396, trucking companies must maintain systematic inspection, repair, and maintenance records for their vehicles. Those records can reveal whether known equipment issues went unaddressed before the crash.
Witness Statements
Drivers and passengers in nearby vehicles may have seen the lane change happen. Their accounts are most valuable when taken while details are still fresh.
What Virginia's Contributory Negligence Rule Means for Your Case
Virginia follows the common law rule of contributory negligence, one of the strictest liability standards in the country. Under this doctrine, a plaintiff found even partially at fault for an accident may be barred from recovering any compensation at all. Even minor findings of plaintiff fault can prevent recovery under Virginia's contributory negligence doctrine.
Trucking company defense teams understand this well, and the blind spot defense is often deployed precisely to raise the question of shared fault. Lingering in a truck's known no-zone, following too closely, cutting in front of a truck at highway speeds, or making an unsafe pass can all become contributory negligence arguments. Virginia courts take this doctrine seriously, which makes the quality of evidence and the ability to show the truck driver bears full responsibility critically important.
There are limited doctrines that may apply in some circumstances, such as last clear chance, which can sometimes allow recovery even where a plaintiff had some fault. Whether those doctrines apply depends on the specific facts of the case, and this is something you should discuss with your Richmond truck accident attorney.