"Our infrastructure seems to be starting to fail more reliably and on a more significant scale," Shelley said. "We're just not making enough large-scale investment in upgrading the infrastructure to gain any ground."

Yilun Cheng is an investigative reporter for the Houston Chronicle.

Yilun studied political science as an undergrad at the University of California, Berkeley and as a grad student at Columbia University. She later earned her master's in journalism from the Medill School of Journalism at Northwestern University. Before coming to Houston, she covered immigration policies and marginalized communities for the Columbus Dispatch. She previously covered City Hall and local politics for the Houston Chronicle.