Department of Transportation

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...

As required by the Inspector General Act of 1978 (as amended), this Semiannual Report summarizes the activities of the Office of Inspector General for the preceding 6-month period.

Our Objective(s)To determine (1) whether Bowman & Company, LLPs 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 Transportations (DOT) major...

Our Objective(s)To evaluate FMCSA Motor Carrier Safety Assistance Program (MCSAP) grant oversight activities. Specifically, we reviewed FMCSAs (1) policies and procedures for monitoring MCSAP grant recipients, (2) annual risk assessments and monitoring plans for MCSAP recipients, and (3) tracking of...