September 14, 2023 10:22 am What causes potholes? More than 40% of U.S. highways are in poor conditions due to potholes. But how are they created, and why are they so prevalent? US & World Videos 1:27 Shia LaBeouf's first red carpet appearance in 4 years 2:14 Jennifer Lopez and Ben Affleck seen separately with wedding rings amid tension rumors 1:16 Firefighters rescue dog from bathroom wall 1:34 Chris Pratt's stunt double Tony McFarr dead at 47 1:51 Kim Kardashian and North have girls night out at L.A. Sparks WNBA game