Aurora Innovation says an independent review of its autonomous trucking safety case has validated the company’s approach to demonstrating the safety of its self-driving system, a move it says could help establish a new benchmark for transparency across the autonomous vehicle industry.

Edge Case, an engineering firm specializing in autonomous systems safety, spent three months reviewing Aurora’s Safety Case — a structured, evidence-based argument intended to demonstrate that the company’s self-driving technology can operate safely on public roads.

The review concluded Aurora’s Safety Case is “well-structured, substantively aligned with industry best practices, and actively maintained,” according to the companies.

The assessment comes as Aurora expands its driverless trucking operations in the United States. The company launched a commercial driverless freight service earlier this year between Dallas and Houston and has since been growing its autonomous trucking network.

Unlike traditional safety testing, a safety case compiles engineering analyses, simulation results, closed-course testing and real-world operational data to support claims that an autonomous system can safely perform its intended functions.

Edge Case said its review examined both the overall structure of Aurora’s safety case and a representative sample of the supporting evidence. The evaluation compared Aurora’s documentation against guidance from the U.S. National Highway Traffic Safety Administration as well as industry standards, including UL 4600, ISO 26262 and the Autonomous Vehicle Safety Consortium’s case framework.

“Our work with Aurora is a reflection of the industry’s growing interest in more open, rigorous, and independently validated approaches to safety,” said Nathan Parker, CEO of Edge Case. “This is how we raise the bar and build lasting confidence in autonomous systems.”

Aurora Chief Safety Officer Nat Beuse said the independent assessment reinforces the company’s emphasis on safety as it deploys autonomous trucks commercially.

“By reviewing our comprehensive Safety Case against leading industry standards and Edge Case’s state-of-the-art process, the audit confirmed that our autonomous technology is built on an exceptionally strong foundation,” Beuse said.

While third-party reviews of autonomous vehicle technology have occurred previously, the companies said this represents one of the first comprehensive independent evaluations of an entire safety case rather than a review of individual technologies or testing results. Aurora noted that its CEO, Chris Urmson, serves on Edge Case’s board of directors but was not involved in selecting the project or reviewing or influencing the audit findings.