Transportation

US Airports Tapped $24 Billion of Muni Debt in Record Borrowing

New road infrastructure under construction at John F. Kennedy International Airport in New York.Photographer: Charly Triballeau/AFP/Getty Images

Airports spanning from Atlanta to San Francisco are deep in renovations as they work to keep up with booming passenger volumes, while upgrading outdated terminals and concourses.

To fund the investments, their operators are embarking on multi-billion-dollar capital plans, which are predominantly financed in the municipal-bond market.