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Truck Accidents on I-78 Near Bethlehem: Causes and Legal Options

April 5, 2026 | By Leeson & Leeson
Truck Accidents on I-78 Near Bethlehem: Causes and Legal Options

Interstate 78 is one of the most heavily traveled freight corridors in the northeastern United States, and the stretch near Bethlehem sees some of the highest concentrations of commercial truck traffic in Pennsylvania. The highway connects the Port of Newark and New York metropolitan area to central Pennsylvania, making it a critical route for tractor-trailers, tanker trucks, and other heavy commercial vehicles. When a fully loaded truck weighing up to 80,000 pounds collides with a passenger vehicle, the results are almost always catastrophic.

Why I-78 Near Bethlehem Is So Dangerous for Truck Accidents

The I-78 corridor through the Lehigh Valley presents a unique combination of hazards that make truck accidents more likely and more severe than on other highways:

  • Extreme truck volume. The Lehigh Valley has become one of the largest warehouse and distribution hubs on the East Coast, with major fulfillment centers for Amazon, FedEx, and other logistics companies. This means thousands of tractor-trailers travel I-78 through Bethlehem every day.
  • Steep grades and curves. Sections of I-78 west of Bethlehem include grades and curves that are challenging for large trucks, especially in wet or icy conditions. Truck drivers who fail to adjust their speed for these conditions can lose control.
  • High-speed merging. The interchanges near Bethlehem, particularly where I-78 meets Route 33 and Route 412, require vehicles to merge at highway speeds. Trucks have significantly longer stopping distances and larger blind spots, making these merge zones especially dangerous.
  • Construction zones. I-78 frequently has active construction projects that narrow lanes, shift traffic patterns, and create confusion — all of which increase the risk of truck accidents.
  • Weather conditions. Pennsylvania winters bring ice, snow, and reduced visibility. Trucks are far more susceptible to jackknifing and loss of control on slippery roads than passenger vehicles.

According to PennDOT crash statistics, Lehigh and Northampton counties see hundreds of truck-involved crashes each year, with I-78 accounting for a disproportionate share of those incidents.

Common Causes of I-78 Truck Accidents

Truck accidents on I-78 are rarely simple fender benders. They typically involve serious negligence by the truck driver, the trucking company, or both:

  • Driver fatigue. Federal Hours of Service regulations limit how long a truck driver can operate without rest, but violations are common. Fatigued drivers have reaction times comparable to drunk drivers.
  • Speeding and aggressive driving. Truck drivers under pressure to meet delivery deadlines often exceed safe speeds, especially on the grades and curves of I-78.
  • Distracted driving. Texting, GPS use, and other distractions are particularly dangerous for truck drivers given the size and stopping distance of their vehicles.
  • Improper loading. Overloaded or improperly secured cargo can shift during transit, causing the truck to become unstable or lose its load on the highway.
  • Poor maintenance. Trucking companies are required to maintain their vehicles according to federal standards. Brake failures, tire blowouts, and other mechanical defects caused by inadequate maintenance are a leading cause of truck accidents.
  • Inadequate training. Some trucking companies put insufficiently trained drivers behind the wheel to fill demand, particularly as the industry faces ongoing driver shortages.

If you need legal help, the experienced Bethlehem truck accident lawyers at Leeson & Leeson can help. Call (610) 200-6268 or contact us online for a free consultation.

Who Is Liable in an I-78 Truck Accident?

One of the things that makes truck accident cases more complex than typical car accidents is that multiple parties may be liable:

  • The truck driver may be liable for negligent driving, including fatigue, speeding, distraction, or driving under the influence.
  • The trucking company may be liable under the legal doctrine of respondeat superior for the actions of its employee. The company can also be directly liable if it encouraged drivers to violate hours of service rules, failed to properly maintain its fleet, or hired drivers with poor safety records.
  • The cargo loading company may be liable if improperly loaded or secured cargo contributed to the accident.
  • The truck or parts manufacturer may be liable if a mechanical defect — such as a brake failure or tire blowout — caused or contributed to the crash.
  • A government entity may be liable if dangerous road design, inadequate signage, or failure to maintain the roadway contributed to the accident.

Identifying all liable parties is critical because it expands the pool of insurance coverage available to compensate you. A single trucking company may carry $1 million or more in liability coverage, but some crashes cause damages that exceed even those limits.

Injuries From I-78 Truck Accidents

The sheer size and weight difference between a commercial truck and a passenger vehicle means that truck accident injuries tend to be severe or fatal:

  • Traumatic brain injuries ranging from concussions to permanent cognitive impairment.
  • Spinal cord injuries that can result in partial or complete paralysis, with lifetime care costs reaching millions of dollars.
  • Multiple fractures, crushed limbs, and internal organ damage.
  • Severe burns from fuel fires or chemical spills, particularly with tanker trucks.
  • Wrongful death, leaving families to cope with devastating emotional and financial losses.

Attorney Joseph F. Leeson III brings a unique combination of legal, business, and financial expertise — with a JD, MBA, and CPA — to every case. Call (610) 200-6268 or contact us online to discuss your case.

Critical Evidence in Truck Accident Cases

Truck accident cases require rapid evidence preservation because trucking companies and their insurers will move quickly to protect their interests. Critical evidence includes:

  • The truck’s electronic logging device (ELD) data, which records the driver’s hours of service, speed, and driving patterns.
  • The truck’s event data recorder (black box), which captures data from the moments before and during the crash.
  • Maintenance and inspection records for the truck and trailer.
  • The driver’s employment records, including their CDL status, training history, drug and alcohol testing results, and prior violations.
  • Cargo loading records showing what was loaded, how much it weighed, and how it was secured.
  • Dashcam, traffic camera, and surveillance footage from nearby businesses or PennDOT highway cameras.

An attorney experienced in truck accident litigation will send a spoliation letter to the trucking company immediately, demanding that all evidence be preserved. Without this step, critical data — especially ELD and black box records — can be overwritten or destroyed.

Pennsylvania’s Statute of Limitations

You have two years from the date of the accident to file a personal injury lawsuit in Pennsylvania (42 Pa.C.S. § 5524). If a loved one was killed, the deadline for a wrongful death claim is also two years. Given the complexity of truck accident investigations and the volume of evidence involved, it is important to contact an attorney as soon as possible after the crash.

Why Bethlehem Truck Accident Victims Choose Leeson & Leeson

Joseph F. Leeson III is a Super Lawyers Rising Star and a member of the Million Dollar Advocates Forum. His JD, MBA, and CPA background gives him the ability to calculate the full financial impact of catastrophic injuries, including lifetime medical costs, lost earning capacity, and long-term care needs. This financial expertise is particularly important in truck accident cases, where damages often reach six or seven figures.

Leeson & Leeson serves clients across the Lehigh Valley, including Bethlehem, Allentown, Easton, and the broader Lehigh Valley region.

Do not wait to get the legal help you deserve. The Bethlehem personal injury attorneys at Leeson & Leeson are ready to fight for you. Call (610) 200-6268 or contact us online today.

Frequently Asked Questions

What Should I Do Immediately After a Truck Accident on I-78?

Call 911, seek medical attention, and do not leave the scene. If you are able, photograph the truck, its license plate, the DOT number on the cab, any visible damage, and the road conditions. Do not give a recorded statement to the trucking company’s insurance adjuster before speaking with an attorney. Evidence in truck cases can be destroyed quickly, so contacting a lawyer as soon as possible is critical.

How Is a Truck Accident Case Different From a Car Accident Case?

Truck accident cases involve federal regulations (FMCSA rules), multiple potentially liable parties, significantly higher insurance coverage amounts, and specialized evidence like ELD data and black box recordings. The trucking company will deploy an accident response team almost immediately, so you need an attorney who can match that level of investigation.

Can I Sue the Trucking Company, Not Just the Driver?

Yes. In most cases, the trucking company is liable for the actions of its drivers under the doctrine of respondeat superior. The company can also be directly liable for negligent hiring, inadequate training, failure to maintain vehicles, or encouraging drivers to violate federal safety regulations.

How Much Is a Truck Accident Case Worth in Pennsylvania?

Truck accident cases generally involve significantly higher compensation than car accident cases due to the severity of injuries. Cases involving catastrophic injuries like spinal cord damage or traumatic brain injuries can be worth well into six or seven figures. The value depends on the severity of your injuries, the strength of the liability evidence, and the available insurance coverage.