Department of Transportation

Our Objective(s)To assess the Special Crash Investigations (SCI) Program's (1) selection of crashes for investigation, (2) collection and analysis of special crash investigation data, and (3) use of this data to improve vehicle safety. Why This AuditNHTSA estimates that 40,990 people died in motor...

Our Objective(s)Assess FAA's identification and measurement of the impacts of external factors, such as weather and airline decision making, on Next Generation Air Transportation System (NextGen) benefits and costs. Why This AuditNextGen is a multibillion-dollar infrastructure effort that aims to...

Our Objective(s)To assess FHWA's processes and procedures for overseeing grant recipient compliance with Federal Buy America requirements. Our assessment included reviews of FHWA's (1) guidance on Buy America requirements and (2) oversight of Federal-aid recipients' compliance. Why This AuditFHWA's...

Our Objective(s)To assess FAA's oversight of SkyWest Airlines' maintenance practices. Specifically, we evaluated FAA's actions to address SkyWest's maintenance noncompliance and violations. Why This AuditAviation safety is FAA's priority for the 2.9 million passengers that take 45,000 flights a day...

Our Objective(s)To determine (1) whether Crowe PR PSC's work complied with the Single Audit Act of 1984, as amended, and the Office of Management and Budget's Uniform Guidance, and the extent to which we could rely on the auditor's work on the U.S. Department of Transportation's (DOT) major programs...

Our Objective(s)To evaluate the Federal Railroad Administration's (FRA) oversight of railroads' implementation of the Roadway Worker Protection (RWP) regulation. Specifically, we assessed (1) RWP oversight activities conducted by FRA safety inspectors, (2) FRA's on-track safety program reviews, and...

Our Objective(s)To evaluate single audit reports uploaded to the Federal Audit Clearinghouse between January 1, 2025 and March 31, 2025, and identify findings that affect directly awarded Department of Transportation (DOT) programs. Why This AuditOIG performs oversight of independent, non-Federal...

Our Objective(s)To determine whether the Department of Transportation (DOT) complied with Payment Integrity Information Act of 2019 (PIIA) requirements as prescribed by the Office of Management and Budget (OMB). Why This AuditPIIA requires agencies to identify, report, and reduce improper payments...

Our Objective(s)To evaluate PHMSA's (1) collection and tracking of hazardous materials (HazMat) registration fees and (2) monitoring and reporting of grantees' use of funds for the Hazardous Materials Emergency Preparedness (HMEP) Grant Program. Why This AuditPHMSA administers grants, for emergency...

Our Objective(s)To assess FAA's efforts to advance beyond visual line of sight (BVLOS) drone operations outside the parameters of existing drone regulations. Why This AuditNationwide interest in using unmanned aircraft systems (UAS), commonly referred to as drones, in increasingly complex operations...