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Department of Transportation, Executive (41 - 50 of 762 items) in Custom Date Range
Federal Vehicle Collisions and Aftermarket Collision Avoidance Technologies
GAO-14-408R: Published: Apr 24, 2014. Publicly Released: Apr 24, 2014.
Limited data are available on federal vehicle accidents and their associated costs. Available data sources do not allow for a comprehensive measurement of either the number of accidents involving federally owned or leased vehicles or the associated costs. Data on the number of accidents involving vehicles leased from the General Services Administration (GSA), representing about 29 percent of the f...
Petroleum Refining: Industry's Outlook Depends on Market Changes and Key Environmental Regulations
GAO-14-249: Published: Mar 14, 2014. Publicly Released: Apr 14, 2014.
Stakeholders GAO contacted and information reviewed by GAO identified the following three major changes that have recently affected the domestic petroleum refining industry:Increased production. U.S. and Canadian crude oil production have increased, leading to lower costs of crude oil for some refiners. After generally declining for decades, monthly U.S. crude oil production increased over 55 per...
F-35 Joint Strike Fighter: Slower Than Expected Progress in Software Testing May Limit Initial Warfighting Capabilities
GAO-14-468T: Published: Mar 26, 2014. Publicly Released: Mar 26, 2014.
Delays in developmental flight testing of the F-35's critical software may hinder delivery of the warfighting capabilities the military services expect. F-35 developmental flight testing comprises two key areas: mission systems and flight sciences. Mission systems testing verifies that the software-intensive systems that provide critical warfighting capabilities function properly and meet requirem...
Whistleblower Protection Program: Opportunities Exist for OSHA and DOT to Strengthen Collaborative Mechanisms
GAO-14-286: Published: Mar 19, 2014. Publicly Released: Mar 19, 2014.
The Occupational Safety and Health Administration (OSHA) has taken steps to include auto industry employees in its Whistleblower Protection Program and has coordinated with the Department of Transportation (DOT) on whistleblower issues, but interagency collaborative mechanisms could be strengthened. Among other steps, OSHA is developing procedures for how it will investigate claims from auto emplo...
Fiscal Year 2013 Agreed-Upon Procedures: Excise Tax Distributions to the Airport and Airway Trust Fund and the Highway Trust Fund
GAO-14-162R: Published: Dec 9, 2013. Publicly Released: Dec 9, 2013.
GAO performed the procedures contained in the enclosures to this report, which it agreed to perform solely to assist the Department of Transportation's Inspector General in ascertaining whether the net excise tax revenue distributed to the Airport and Airway Trust Fund (AATF) and the Highway Trust Fund (HTF) for the fiscal year ended September 30, 2013, is supported by the underlying records. GAO...
GPS Disruptions: Efforts to Assess Risks to Critical Infrastructure and Coordinate Agency Actions Should Be Enhanced
GAO-14-15: Published: Nov 6, 2013. Publicly Released: Nov 6, 2013.
To assess the risks and potential effects from disruptions in the Global Positioning System (GPS) on critical infrastructure, the Department of Homeland Security (DHS) published the GPS National Risk Estimate (NRE) in 2012. In doing so, DHS conducted a scenario-based risk assessment for four critical infrastructure sectors using subject matter experts from inside and outside of government. Risk as...
Transportation-Disadvantaged Populations: Coordination Efforts are Underway, but Challenges Continue
GAO-14-154T: Published: Nov 6, 2013. Publicly Released: Nov 6, 2013.
In 2012, GAO reported that 80 federal programs in eight different agencies fund a variety of transportation services for transportation-disadvantaged populations, which include older Americans. Within the Department of Transportation (DOT), the Federal Transit Administration (FTA) is a key source of federal transportation funding for older Americans. For example, some FTA programs provide formula...
Intelligent Transportation Systems: Vehicle-to-Vehicle Technologies Expected to Offer Safety Benefits, but a Variety of Deployment Challenges Exist
GAO-14-13: Published: Nov 1, 2013. Publicly Released: Nov 1, 2013.
The development of vehicle-to-vehicle (V2V) technologies has progressed to the point of real world testing, and if broadly deployed, they are anticipated to offer significant safety benefits. Efforts by the U.S. Department of Transportation (DOT) and the automobile industry have focused on developing: 1) in-vehicle components such as hardware to facilitate communications among vehicles, 2) safety...
Public Transit: Transit Agencies' Use of Contracting to Provide Service
GAO-13-782: Published: Sep 26, 2013. Publicly Released: Sep 26, 2013.
Contracting is a prevalent means of providing transit services. About 61 percent of the 463 transit agencies responding to GAO's survey reported they contract out some or all operations and services, while the rest reported that they do not contract out at all. According to GAO's survey, paratransit (services for the disabled), demand response (also known as dial-a-ride), and commuter rail service...
Interstate Compacts: Transparency and Oversight of Bi-State Tolling Authorities Could Be Enhanced
GAO-13-687: Published: Aug 15, 2013. Publicly Released: Sep 13, 2013.
Bi-state tolling authorities have broad authority to set toll rates and use revenues for a range of purposes, including maintaining, repairing, and improving their infrastructure. In setting tolls, bi-state tolling authorities are primarily influenced by debt obligations and maintain specific operating revenues to repay their debt. A federal statute requiring bridge tolls to be "just and reasonabl...