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Data collection (1 - 6 of 6 items) in Past 6 Months

Transportation Worker Identification Credential

Card Reader Pilot Results Are Unreliable; Security Benefits Need to Be Reassessed
GAO-13-198, May 8, 2013

Aviation Safety

FAA Efforts Have Improved Safety, but Challenges Remain in Key Areas
GAO-13-442T, Apr 16, 2013

NextGen Air Transportation System

FAA Has Made Some Progress in Midterm Implementation, but Ongoing Challenges Limit Expected Benefits
GAO-13-264, Apr 8, 2013

California High-Speed Passenger Rail

Project Estimates Could Be Improved to Better Inform Future Decisions
GAO-13-304, Mar 28, 2013

Pipeline Safety

Better Data and Guidance Could Improve Operators' Responses to Incidents
GAO-13-284T, Jan 28, 2013

Pipeline Safety

Better Data and Guidance Needed to Improve Pipeline Operator Incident Response
GAO-13-168, Jan 23, 2013