Driving down an Indian road, cool wind against your face, a song in your heart, your spirits floating high…… Ouch! You come down to earth after you dive into a pothole. Curses and bad mouthing the civic agencies and every other possible culprit dampens the spirits during the drive ahead. So what is a pothole and why does it cause such mood swings? Wiki to the rescue. Potholes (sometimes called kettle and known in parts of the Western United States as a chuckhole ) is a type of disruption in the surface of a roadway where a portion of the road material has broken away, leaving a hole. Most potholes are formed due to fatigue of the pavement surface. As fatigue cracks develop they typically interlock in a pattern known as "alligator cracking". The chunks of pavement between fatigue cracks are worked loose and may eventually be picked out of the surface by continued wheel loads, thus forming a pothole. The formation of potholes is exacerbated by cold temperatures, as w...