Published by Carabin Shaw – San Antonio Personal Injury Lawyers

Truck Accidents Involving Bicyclists on Local Roads in San Antonio

When a loaded 18-wheeler collides with a cyclist, the physics are unforgiving. Our San Antonio big-rig accident lawyers have represented injured cyclists across Bexar County for more than 34 years, and one pattern holds constant: the human body cannot absorb the force a commercial truck delivers at even low speeds. A truck bicycle accident San Antonio families face can leave victims with fractured bones, traumatic brain injuries, spinal damage, or worse. These are not fender-bender cases. They demand aggressive legal action against both the driver and the carrier.

According to NHTSA, cyclists represent a disproportionate share of serious traffic fatalities nationwide relative to the miles they travel. Texas data from the TxDOT Crash Records Information System (CRIS) shows that bicycle crashes involving large commercial vehicles are concentrated on arterial roads and near industrial freight corridors—exactly the routes San Antonio cyclists share with semi-trucks every day. A truck bicycle accident San Antonio roads produce is rarely an isolated event; the same stretch of pavement, the same blind-spot angle, and the same carrier negligence can repeat until someone holds the responsible parties accountable.

The size disparity alone explains the catastrophic outcome. A fully loaded semi can weigh 80,000 pounds. A cyclist, bike and gear combined, weighs under 200. When a San Antonio truck accident involves a bicycle, the victim has no crumple zone, no airbag, and no steel cage. Even a sideswipe at 25 mph can cause a fatal ejection. That physical reality is why the law recognizes heightened duties for commercial vehicle operators—and why an injured cyclist needs a San Antonio truck accident attorney who understands both traffic law and federal trucking regulations.

Why Truck-vs-Cyclist Crashes Happen

Most bicycle-truck collisions on local roads trace back to predictable, preventable driver errors. Understanding the cause matters because it shapes who bears legal liability—and whether the trucking company shares fault alongside its driver.

Right-Hook Turns

A truck driver turning right from a through lane while a cyclist rides the shoulder or bike lane creates a fatal scissor effect. The truck’s rear wheels swing wide and inward. Cyclists riding legally in the right lane have no warning and no escape. This maneuver violates both Texas Transportation Code duties and FMCSA clearance rules. The Federal Motor Carrier Safety Administration (FMCSA) requires commercial drivers to check mirrors and signal well in advance precisely because trailers track differently than passenger cars.

No-Zones and Blind Spots

Every 18-wheeler has four major blind spots: directly in front of the cab, immediately behind the trailer, and along each side. A cyclist in the right-side no-zone—extending from the cab door back to the trailer’s midpoint—is completely invisible to the driver. Many San Antonio big-rig accident cases involving cyclists begin because the truck merged, changed lanes, or pulled to a curb without any awareness the rider was there.

Unsafe Passing and Crowded Arterials

Trucks passing cyclists too closely on roads like Commerce Street, Nogalitos, Culebra, or WW White Road create air turbulence that can knock a rider off balance before the vehicle ever makes contact. Texas Transportation Code Section 545.053 requires drivers to pass at a safe distance, and San Antonio has adopted a 3-foot minimum passing ordinance specifically to protect cyclists. A commercial driver who squeezes past a bike at 45 mph on a narrow corridor almost certainly violates both the state statute and the city ordinance.

Commercial Loading Areas and Dooring

Near distribution centers, warehouses, and strip-mall loading docks, delivery trucks park and idle in spaces that overlap active bike lanes. Drivers stepping out of cab doors without checking mirrors strike cyclists who have no time to brake. The carrier can face direct liability if route planning or stop schedules forced drivers into unsafe positions.

Texas Law and Cyclist Rights

Texas law treats bicycles as vehicles. Cyclists have the same right to use public roadways as any motor vehicle operator, and drivers owe them the same duty of care—arguably a heightened one given the vulnerability. A cyclist riding legally has the right to the full lane when the lane is too narrow to share safely. Violation of the state’s safe-passing statute or San Antonio’s 3-foot ordinance is evidence of negligence per se, meaning the violation itself establishes a breach of duty without requiring expert testimony on driving standards.

Commercial carriers face an additional layer of federal oversight. FMCSA hours-of-service rules, pre-trip inspection requirements, and driver qualification standards exist to reduce exactly these crashes. When a tired driver, an improperly adjusted mirror, or a carrier’s pressure to run tight delivery windows contributes to a truck-bicycle collision, the company—not just the driver—can be held responsible under theories of negligent hiring, entrustment, and vicarious liability.

Proving Fault After a Bicycle-Truck Crash

Evidence in a big-rig accident case disappears fast. Trucking companies are legally required to preserve electronic logging device data, GPS records, and dashcam footage—but those obligations require prompt notice. Key evidence in a San Antonio truck accident bicycle case includes:

  • Electronic logging device (ELD) data showing hours driven and possible fatigue violations
  • Black-box/event data recorder capturing speed, braking, and steering inputs at impact
  • Dashcam and traffic camera footage from the crash corridor
  • Driver qualification file — prior citations, medical certificates, and training records
  • FMCSA safety rating and inspection history for the carrier
  • Witness statements from nearby drivers, pedestrians, and business owners
  • Accident reconstruction tying vehicle positions to the physical evidence at the scene

The faster a legal team acts, the more of this evidence survives. Carriers often dispatch their own investigators to the scene within hours of a serious crash. An injured cyclist—or that cyclist’s family—deserves equal footing in that race to preserve the record.

What to Do After a Truck-Bicycle Crash in San Antonio

If you are physically able, take these steps before leaving the scene:

  • Call 911 and get a police report number
  • Photograph the truck’s DOT number, license plate, and cargo markings
  • Photograph your injuries, the bike, and road conditions
  • Collect driver name, CDL number, and carrier contact information
  • Get contact details from witnesses
  • Seek emergency medical evaluation even if you feel able to walk away—adrenaline masks serious injury
  • Avoid recorded statements to the carrier’s insurance adjuster before speaking with an attorney

Texas has a two-year statute of limitations for personal injury claims, but evidence preservation cannot wait two years. The earlier a San Antonio truck accident lawyer reviews the case, the stronger the position for recovery.

Talk to Carabin Shaw at No Cost

Carabin Shaw has fought for injured Texans since 1992. Our firm handles San Antonio truck accident cases on a contingency basis—you pay nothing unless we recover for you. If you or someone you love was struck by a commercial truck while cycling anywhere in Bexar County, call us at (800) 862-1260 for a free consultation. We will review the facts, identify every liable party, and fight to see that the carrier and driver answer for what happened.