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What Are Common Causes of Car Accidents in Pennsylvania?

Home  >  Pribanic & Pribanic Archives  >  What Are Common Causes of Car Accidents in Pennsylvania?

Published October 28, 2025 | In Motor Vehicle Accident
What Are Common Causes of Car Accidents in Pennsylvania?

Crashes happen every day across Pennsylvania, often in ways that could have been avoided. A driver glances at their phone for a moment on the Parkway East. Another misjudges a turn on a snowy morning in Cranberry Township.

A delivery truck may run a red light near Market Square while rushing to a deadline. These moments can change lives instantly. Knowing what caused your accident can help show when someone else’s carelessness played a role. If you are dealing with injuries or bills, Pribanic & Pribanic car accident lawyers in White Oak can help with your case and guide you in your next steps.

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Key Takeaways: Recognizing Car Accident Causes in Pennsylvania

  • Distracted driving, especially phone use, causes thousands of crashes in Pennsylvania yearly.
  • Speeding cuts reaction time and worsens crashes, especially on fast highways like I-79 and Route 22.
  • Drunk and drugged driving remain serious threats despite strict Pennsylvania DUI laws.
  • Aggressive driving, including tailgating and road rage, turns minor incidents into major crashes.
  • Snow, ice, and fog make roads dangerous, but drivers must adjust their behavior.
  • Running red lights or stop signs often causes severe or fatal intersection crashes.
  • Contact a car accident attorney to hold negligent drivers accountable.

Distracted Driving Creates Deadly Risks on Pennsylvania Roads

Phones are one of the biggest dangers on Pennsylvania roads. Drivers texting, scrolling social media, or using apps control thousands of pounds of metal while distracted. Just five seconds at highway speed can cover the length of a football field blind.

Distracted Driving


Other distractions are equally risky. Eating, adjusting the radio, or managing passengers can lead to crashes. When a distracted driver hits you on the Boulevard of the Allies or anywhere in Pennsylvania, they fail to keep their focus on the road.

The statistics are alarming. Thousands of crashes each year involve distraction, causing serious injuries, deaths, and millions in property damage. Modern vehicles add to the risk, with navigation systems, entertainment consoles, and smartphone integration demanding attention. While convenient, these features increase the chance of accidents when used while driving.

Pennsylvania law bans texting while driving, but enforcement is difficult. Many drivers continue using phones, believing they can multitask safely, but research proves that even hands-free conversations reduce attention and reaction time. Other distractions include eating, reaching for objects, adjusting controls, dealing with children, grooming, reading, or using laptops. Any activity that takes eyes, hands, or mind off driving is dangerous.

Speeding Remains a Leading Factor in Pennsylvania Car Accidents

Speed limits exist for a reason. They account for road conditions, traffic, and stopping distance. Drivers who exceed them put everyone at risk.

On Pennsylvania roads, speeding causes serious crashes. Running a yellow light on Liberty Avenue or traveling 80 mph on the Turnpike during rush hour can result in severe injuries. Driving too fast for conditions also violates Pennsylvania law, as posted limits assume clear weather and good visibility. Our car accident lawyers examine skid marks, vehicle damage, and witness accounts to show how excessive speed caused a crash.

Speed increases both the likelihood and severity of accidents. Higher speeds extend stopping distances and reduce reaction time. A vehicle traveling 60 mph needs far more distance to stop than one at 45 mph. Speed also amplifies impact force, turning minor collisions into serious injuries.

Some drivers speed habitually, treating limits as suggestions, while others exceed them situationally. Regardless of motive, speeding demonstrates negligence that makes drivers liable. Certain roads see more speeding-related crashes, including I-76, I-79, Route 22, and urban arteries like Route 51 and McKnight Road. Even residential streets face dangers from drivers ignoring limits.

Impaired Driving Continues to Devastate Pennsylvania Families

Drunk driving continues to cause serious crashes, leaving victims injured and unsure of what to do next. Alcohol and certain medications slow reactions and impair judgment. Pennsylvania enforces DUI laws through checkpoints and patrols, yet accidents still occur, whether a driver leaves a Southside bar or takes prescription painkillers.

When a crash involves impaired driving, criminal charges may follow. We focus on helping you recover and secure compensation while prosecutors handle the case. Impaired driving includes alcohol, marijuana, prescription medications, and illegal drugs. Pennsylvania law prohibits operating a vehicle under the influence of any controlled substance.

Prescription medications such as pain relievers, anti-anxiety drugs, and sleep aids can impair driving. Drivers who ignore warnings and cause crashes are liable for their negligence. Marijuana also affects reaction time, judgment, and coordination, and driving under its influence is illegal in Pennsylvania.

The legal blood alcohol limit is 0.08 percent for most drivers, 0.04 for commercial drivers, and 0.02 for those under 21. Even below the limit, alcohol impairs judgment, slows reaction time, and reduces coordination, making it harder to control a vehicle safely.

Aggressive Driving Turns Roads into Danger Zones

Road rage and aggressive driving turn everyday trips into dangerous situations. Tailgating, weaving through lanes, cutting others off, and reckless gestures increase the risk of crashes.

Pittsburgh traffic tests patience. Construction on the Fort Pitt Bridge or rush-hour backups on Route 28 frustrate drivers, but losing control behind the wheel makes them liable. Pennsylvania State Police and local officers document aggressive behavior in crash reports, providing evidence of recklessness.

Aggressive Driving


Aggressive driving includes following too closely, unsafe lane changes, cutting off other vehicles, and speeding. These behaviors reduce reaction time, force sudden maneuvers, and create serious collision risks. Road rage takes this further, with drivers using vehicles as weapons or escalating conflicts, resulting in criminal charges and civil liability.

Traffic congestion often triggers aggressive behavior. Frustration from delays or other drivers never excuses putting others at risk. Young drivers or those with certain personality traits are more prone, but anyone can act aggressively under stress. Drivers who cause crashes through aggressive behavior bear full responsibility for their actions.

Pennsylvania Weather Challenges Every Driver

Western Pennsylvania’s weather creates year-round driving hazards. Winter brings snow and ice, summer storms reduce visibility, fall leaves make roads slippery, and heat affects tire traction. Drivers must slow down and leave extra space, as the weather does not excuse negligence.

Crashes often occur when drivers fail to adjust for conditions. Sliding through a red light on an icy morning in Monroeville or maintaining speed in heavy rain shows negligence. Hydroplaning, fog, glare, and wet leaves reduce control and visibility, increasing the risk of serious collisions

Fog in valleys and near rivers can reduce visibility to just a few feet. Wet leaves cover lane markings and hide hazards. Hot pavement and glare from the sun affect traction and driver vision. Black ice forms on bridges, overpasses, and shaded areas, often catching drivers by surprise.

Pennsylvania law requires adjusting driving for conditions. Posted speed limits assume clear weather and good visibility. Failing to slow down or take precautions in snow, ice, rain, fog, or other hazardous conditions demonstrates negligence, making drivers liable for resulting crashes.

Traffic Violations Lead to Intersection Crashes

Running a red light or stop sign can turn a routine drive into a serious crash, leaving you hurt and unsure who’s responsible. Pennsylvania law is clear: stop at reds and stop signs, yield when required.

When drivers ignore these rules, crashes happen fast, often involving multiple vehicles at spots like McKnight Road and Route 19. We carefully review each crash to pinpoint everyone responsible and support you through the process.

Intersection crashes often cause severe injuries because they involve perpendicular impacts. Side-impact collisions offer less vehicle structure to protect occupants than front or rear impacts. These crashes frequently cause serious injuries to vehicle occupants.

Red light running occurs for multiple reasons. Some drivers misjudge whether they can make it through a yellow light. Others drive distracted and don’t notice the signal. Some deliberately run red lights to save time. Regardless of motivation, red light runners demonstrate negligence.

Stop sign violations follow similar patterns. Rural intersections with stop signs see frequent crashes when drivers roll through without fully stopping. Four-way stops confuse some drivers about right-of-way rules. Obscured stop signs sometimes contribute, though drivers still have duties to proceed cautiously.

Right-of-way violations extend beyond traffic signals. Drivers must yield when entering roadways from driveways or parking lots. They must yield to pedestrians in crosswalks. They must yield when merging or changing lanes. Failure to yield causes countless crashes annually.

Pennsylvania uses cameras at some intersections to enforce red light laws. These cameras capture violations and issue citations. While controversial, they demonstrate the serious problem red light running presents in the state.

Poor Vehicle Maintenance Causes Preventable Accidents

Worn tires, failed brakes, and broken lights create dangerous situations. Vehicle owners must maintain their cars properly. When they don’t, and mechanical failures cause crashes, they’re responsible for the consequences.

A tractor-trailer traveling on I-76 needs functioning brakes and properly maintained tires. When companies skip maintenance to save money and crash results, they’re liable.

Regular vehicle maintenance prevents many crashes. Tires need adequate tread depth to maintain traction, especially in wet conditions. Brakes require regular inspection and replacement of worn components. Lights must function properly so other drivers can see your vehicle.

Commercial vehicles face strict maintenance requirements under federal and state regulations. Trucking companies must perform regular inspections and maintain detailed maintenance records. When they cut corners on maintenance to reduce costs, they create serious safety hazards.

Brake failures cause particularly dangerous crashes. Vehicles unable to stop create multi-vehicle pile-ups on highways or roll through intersections. Brake maintenance is not optional; it’s a critical safety requirement.

Tire blowouts on highways often lead to loss of control and serious crashes. Worn tires or those with insufficient air pressure are much more likely to fail. Regular tire inspections and replacements prevent these failures.

Steering and suspension problems affect vehicle handling and control. Worn components make vehicles difficult to steer accurately. Suspension failures can cause loss of control, especially at higher speeds or during evasive maneuvers.

Neglecting vehicle maintenance demonstrates negligence. Owners who know about problems but continue driving anyway show reckless disregard for safety. This negligence creates liability when crashes result from mechanical failures.

Driver Inexperience and Errors Contribute to Many Crashes

New drivers lack the experience to handle challenging situations. Misjudging distances, failing to check blind spots, or panicking in emergencies can lead to crashes. While inexperience doesn’t excuse negligence, it explains why some accidents happen.

Pennsylvania requires drivers to possess the skills necessary to operate vehicles safely. When they cause crashes through their errors, they must compensate the people they injure.

Let Pribanic & Pribanic Handle Your Car Accident Claim

Car accidents usually happen because someone made a careless choice, not bad luck. That person should be responsible for your medical bills, lost income, and pain. Insurance companies often try to downplay claims or deny them.

Our White Oak personal injury lawyers at Pribanic & Pribanic have helped Pittsburgh and western Pennsylvania residents navigate these challenges.

We know local laws, courts, and how to hold insurers accountable. We investigate, negotiate, and take cases to trial when needed. Call our White Oak office at (412)672-5444 or Pittsburgh office at (412) 281-8844 or complete our online form. We’ll review your case, explain your rights, and fight for what you deserve.

Frequently Asked Questions About Car Accident Causes in Pennsylvania

What should I do immediately after a car accident in Pennsylvania?

Seek medical attention first, even if you feel fine initially. Then contact a car accident lawyer before speaking with any insurance company.

Can I recover compensation if the other driver broke traffic laws?

Absolutely. Traffic violations provide strong evidence of negligence. When drivers run red lights, speed, or violate other traffic laws and cause crashes, they’re liable for resulting injuries and damages.

How do lawyers prove what caused my car accident?

Car accident attorneys gather evidence, including police reports, witness statements, photos, vehicle data, phone records, and crash reconstruction analysis. This evidence establishes exactly how the other driver’s negligence caused your collision.

How long after a car accident can I file a claim in Pennsylvania?

Pennsylvania gives you two years from the accident date to file a lawsuit. However, evidence disappears and memories fade quickly.

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