sentences:  Construction began in August 2005, and Route 73 was shifted to avoid the circle as of September 14, 2006.By 2006, the project had been in motion for over a year and the price tag had risen to $73 million.Local merchants at the circle and along the portions of Route 73 being shifted complained that the traffic delays and confusion caused by the project had resulted in business being down as much as 60% at area businesses.