It's called the world's most dangerous road. The Yungas Road in Bolivia has claimed many lives. Meet a man who helps direct traffic on this perilous, one-lane dirt road, and the mountain bikers who know it as home. Subscribe for more National Geographic videos: goo.gl/utTCAg DIRECTOR: Rob Holmes PRODUCERS: Elivia Shaw and Laura Knudson DIRECTOR OF PHOTOGRAPHY: Chris Low SOUND: Chris Cella EDITOR: Matt Weatherly