Department of Transportation

What We Looked AtEnsuring adequate staffing and training for air traffic controllers—an essential part of maintaining the safety and efficiency of the National Airspace System (NAS)—has been a challenge for the Federal Aviation Administration (FAA), especially at the Nation’s most critical...

What We Looked AtThe Federal Aviation Administration (FAA) is responsible for safely managing the National Airspace System (NAS). This requires coordinating commercial and military aviation with increasing numbers of commercial space transportation launches and reentries. Citing this increasing...

What We Looked AtAdvanced Air Mobility (AAM) is a Government and industry initiative to develop an air transportation system between and within rural and urban locations. This new technology, including highly automated hybrid and electric vertical takeoff and landing (eVTOL) aircraft, promises many...

What We Looked AtThe Federal Aviation Administration (FAA) employs approximately 5,000 maintenance technicians who install, maintain, repair, and certify roughly 74,000 pieces of equipment in the National Airspace System. Citing concerns with staffing and training for this important workforce, the...

What We Looked AtWe queried and downloaded 74 single audit reports prepared by non-Federal auditors and submitted to the Federal Audit Clearinghouse between January 1, 2023 and March 31, 2023, to identify significant findings related to programs directly funded by the Department of Transportation...

What We Looked AtWe performed a quality control review (QCR) on the single audit that Accuity LLP performed for the Highways Division, Department of Transportation for the State of Hawaii’s (HIDOT) fiscal year that ended June 30, 2021. During this period, HIDOT expended approximately $226.5 million...

What We Looked AtThe Payment Integrity Information Act of 2019 (PIIA) requires agencies to identify, report, and reduce improper payments in programs susceptible to significant improper payments. The act also requires agencies to publish applicable payment integrity information in the materials...

What We Looked AtThe Personal Identity Verification (PIV) card is the Department’s foundation for securely identifying every individual seeking access to the Department of Transportation’s (DOT) secure facilities and information systems. Once contractor employees no longer need that access, DOT...

What We Looked AtThe impacts of a motor vehicle safety defect can be significant. The National Traffic and Motor Vehicle Safety Act authorizes the National Highway Traffic Safety Administration (NHTSA) to investigate motor vehicle safety issues and requires manufacturers to notify the Agency of all...

What We Looked AtAs part of its oversight responsibilities, the Pipeline and Hazardous Materials Safety Administration's (PHMSA) Office of Pipeline Safety (OPS) conducts pipeline inspections, including integrated inspections that combine elements of various safety inspections. We conducted this...