Transportation safety in the United States has grown safer, thanks in part to work A GAO superstar. She's overseen work ranging from diversity in crash test dummies to preventing catastrophic train wrecks. More broadly, she's ridden herd on transportation-related spending under the trillion dollar infrastructure law. For her work, she's a finalist in this year's Service to America Medals program. For more on all of this, Federal Drive Host Tom Temin spoke with Biza Repko, director of physical infrastructure issues at the Government Accountability Office. Learn more about your ad choices. Visit megaphone.fm/adchoices