Driverless Semi Trucks Hit U.S. Highways Amid Regulatory Uncertainty

In April 2025, Aurora Innovation, a Pittsburgh-based company, became the first to operate a fully driverless 18-wheeler on an American interstate.

Published on May 29, 2025

semi trucks
Large semi truck hauling freight on the open highway in the western USA at sunrise.

The arrival of autonomous semi trucks on U.S. highways marks a new chapter in freight transportation. In April 2025, Aurora Innovation, a Pittsburgh-based company, became the first to operate a fully driverless 18-wheeler on an American interstate. As reported in The New York Times, the company’s trucks have already logged over 1,000 miles on Texas highways and are currently transporting goods — without a human driver in the cab — along Interstate 45.

Addressing Challenges in the Trucking Industry

Autonomous trucking is being promoted as a potential solution to challenges faced by the shipping industry, including:

  • A persistent shortage of long-haul drivers
  • Demanding work conditions
  • Growing demand driven by e-commerce

Supporters claim that driverless trucks offer several advantages: they do not require rest, they avoid reckless behavior such as speeding or aggressive driving, and they are not subject to the 11-hour daily driving limits imposed on human drivers. According to Aurora CEO Chris Urmson, this capability could significantly expand the reach of businesses transporting perishable goods.

Technology Overview

Aurora’s trucks are outfitted with a comprehensive sensor suite that includes 25 laser, radar, and camera systems, enabling near-360-degree visibility and the ability to detect objects up to 1,000 feet away. The company has stated that its trucks drive conservatively in inclement weather and use blasts of high-pressure air to clean sensors. However, autonomous operation in snow remains a future goal.

Concerns from Drivers and Safety Experts

Despite the technological advances, concerns remain. Some veteran drivers and safety experts have voiced apprehension about the reliability of robotrucks in unpredictable traffic or weather conditions.

  • Angela Griffin, a long-time truck driver, cited scanner malfunctions in misting rain and questioned the ability of autonomous systems to handle situations such as inaccurate construction signage or sudden obstacles on the road.
  • Byron Bloch, an auto safety expert, described the pace of deployment as “alarming” and federal oversight as “totally inadequate.”
  • Other concerns include the potential for slower emergency response times and the challenge of handling accidents involving large, heavy vehicles, especially those carrying hazardous materials.

The Current Regulatory Landscape

There is no comprehensive federal regulatory framework governing automated trucks at this time. The U.S. Department of Transportation has stated that regulations are in development and that it is working with stakeholders to modernize safety oversight. Some states, including Texas, have welcomed the technology. Governor Greg Abbott has expressed support for the deployment of Aurora’s vehicles in Texas, citing the state’s business-friendly environment.

Several other companies, including Kodiak Robotics, are also actively developing autonomous trucking technology. Kodiak has begun tests on dirt roads in Texas.

Public Sentiment and Industry Outlook

Public opinion reflects hesitation. A 2025 AAA survey found that:

  • 61% of U.S. motorists are fearful of self-driving vehicles
  • 26% are unsure
  • 13% expressed confidence

Labor organizations, such as the Transport Workers Union of America, have expressed concern about job losses and safety risks. Union President John Samuelsen characterized the rollout of autonomous trucks as a potentially “disastrous” shift.

Nonetheless, not all truckers are opposed. Gary Buchs, a driver with decades of experience, suggested that autonomous vehicles may reduce accidents and free up opportunities for shorter-haul jobs, potentially creating different roles within the industry.

Expansion Plans

Aurora plans to scale its driverless operations to at least 20 trucks by the end of 2025. While the company temporarily returned observers to the driver’s seat at the manufacturer’s request, it has stated its commitment to continuing driverless deployments, particularly in favorable weather conditions.

Research from McKinsey & Company projects that 13% of the heavy-duty truck fleet in the U.S. could be autonomous within the next 10 years.

Final Observations

Experts generally agree that autonomous trucks may outperform humans in routine driving conditions. However, they also caution that the technology is untested in edge cases and that outcomes remain uncertain.

“This technology is really good at things it’s practiced, and really bad at things it has never seen before,” said Philip Koopman, an engineering professor at Carnegie Mellon University.

As the industry advances, the balance between innovation, safety, and regulation remains a central point of discussion.

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