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GAO-20-513PR 1 (2020-04-23)

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GAO U.S. GOVERNMENT ACCOUNTABILITY OFFICE
441 G St. N.W.                                                          Comptroller General
Washington, DC 20548                                                    of the United States



April 23, 2020


The Honorable Elaine L. Chao
Secretary
U.S. Department of Transportation
1200 New Jersey Avenue, SE
Washington, D.C. 20590

Priority Open Recommendations: U.S. Department of Transportation

Dear Madam Secretary:

The purpose of this letter is to provide an update on the overall status of the U.S. Department of
Transportation's (DOT) implementation of GAO's recommendations and to call your personal
attention to areas where open recommendations should be given high priority.1 In November
2019, we reported that on a government-wide basis, 77 percent of our recommendations made
4 years ago were implemented.2 DOT's recommendation implementation rate was 83 percent.
As of March 2020, DOT had 197 open recommendations. Fully implementing these open
recommendations should significantly improve DOT's operations.

Since our April 2019 letter, DOT has implemented 8 of our 16 open priority recommendations.
This work has addressed concerns related to aviation cybersecurity by strengthening security
controls, improving the process for testing such security controls for the satellite navigation and
automation based air traffic control (ATC) system, and for addressing security weaknesses.
Additionally, DOT has taken steps to improve oversight of federal awards; such oversight will
help in addressing the high-risk area of improving funding for surface transportation.

We ask your continued attention to the 8 remaining priority recommendations identified in our
2019 letter. We are adding 8 additional priority recommendations this year related to airport
terminal area safety, oversight of new unmanned aircraft system technologies, DOT oversight of
the air ambulance industry, Federal Highway Administration's (FHWA) accountability over
project decisions, and improvements to DOT's cybersecurity infrastructure. This brings the total
number of priority recommendations to 16. (See the enclosure for the list of these
recommendations.) The following 16 priority recommendations fall into 7 areas.

Funding surface transportation. As we discuss below, funding surface transportation is
among the highest risks facing the government. We have identified two priority


1 Priority recommendations are those that GAO believes warrant priority attention from heads of key departments or
agencies. They are highlighted because, upon implementation, they may significantly improve government operation,
for example, by realizing large dollar savings; eliminating mismanagement, fraud, and abuse; or making progress
toward addressing a High Risk or duplication issue.
2 GAO, Performance and Accountability Report Fiscal Year 2019. GAO-20-1 SP (Washington, D.C.: Nov 19, 2019)


GAO-20-513PR DOT Priority Recommendations


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