The Brief Heavy storm runoff caused a severe Hall County Falcon Crest Drive road collapse after heavy rains washed away parts of the street Friday afternoon. The collapsing road swallowed a tree, knocked down power lines, and knocked out electricity across several parts of the neighborhood. Heavy rains caused severe erosion on Falcon Crest Drive in Hall County on Friday afternoon, washing away entire portions of the road and creating a massive hole. Hall County repair crews arrived on the scene Friday afternoon and plan to work through the night to address the destruction. Big picture view:The severe storm system also swept through a nearby mobile home park in Hall County, causing significant devastation to residents who live day to day.