Lombard Street in San Francisco is a 600 foot long red brick road with eight switchbacks designed to reduce the natural incline of 27%, an incline most cars were unable to climb at the time of the road's construction. Ironically the street's direction is one-way downhill. It runs down Russian Hill between Hyde and Leavenworth Streets. One car passes every 10 seconds, up to 350 per hour. The street was closed to traffic this summer in consideration of the peace and quiet needed by the local residents. While a very crooked street, the Guinness Book of World Records awarded Snake Alley, Burlington, Iowa the title of the world's most crooked street.