Department of Transportation

Our Objective(s)To perform a quality control review (QCR) of KPMG, LLP's audit of the Federal Aviation Administration's (FAA) financial statements as of and for the fiscal year ended September 30, 2025. We reviewed KPMG's report, dated January 13, 2026, and related documentation. About This ReportWe...

Our Objective(s)To perform a quality control review (QCR) of KPMG LLP's audit of the Department of Transportation's consolidated financial statements as of and for the fiscal year ended September 30, 2025. We reviewed KPMG's report, dated January 14, 2026, and related documentation. About This...

Our Objective(s)To assess whether GLS's contract award and administration practices comply with Federal and Departmental requirements. Specifically, we evaluated GLS's compliance with contract award and administration requirements and overseeing contracting officer warrants. Why This AuditBetween...

Our Objective(s)To evaluate single audit reports uploaded to the Federal Audit Clearinghouse between July 1, 2025 and September 30, 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 assess FAA's oversight of United Airlines' maintenance practices. Specifically, we evaluated FAA's actions to address maintenance non-compliances and violations at the air carrier. Why This AuditUnited Airlines is one of the world's largest commercial air carriers, carrying over...

Our Objective(s)To perform a quality control review (QCR) of Allmond & Company, LLC's management letter related to the audit of the Great Lakes St. Lawrence Seaway Development Corporation's (GLS) financial statements for fiscal year 2025. We reviewed Allmond's management letter, dated January 7...

Our Objective(s)To perform a quality control review (QCR) of KPMG LLP's management letter related to the audit of the Federal Aviation Administration's (FAA) financial statements for fiscal year 2025. We reviewed KPMG's management letter, dated January 28, 2026, and related documentation. About This...

Our Objective(s)To perform a quality control review (QCR) of KPMG LLP's management letter related to the audit of the DOT's consolidated financial statements as of and for the fiscal year ended September 30, 2025. We reviewed KPMG's management letter, dated January 29, 2026, and related...

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 evaluate DOT Operating Administrations' implementation of National Roadway Safety Strategy (NRSS) priority actions, monitoring of progress, and measurement of success. Specifically, we assessed DOT's (1) identification and implementation of NRSS priority actions and (2) procedures...