In 2003, Chula Vista had 200,000 residents and was the second-largest city in San Diego County. That year, Chula Vista was the seventh fastest growing city in the nation, growing at a rate of 5.5%, due to the communities of Eastlake and Otay Ranch. Chula Vista is growing at a fast pace, with major developments taking place in the Otay Valley near the U.S. Olympic Training Center and Otay Lake Reservoir. Thousands of new homes have been built in the Otay Ranch, Lomas Verdes, Rancho Del Rey, Eastlake and Otay Mesa areas. In mid-2006, officials from Chula Vista and the San Diego Chargers met to potentially discuss building a new stadium that would serve as the home for the team;</ref> yet in June 2009, the Chargers removed Chula Vista as a possible location for a new stadium. The South Bay Expressway, a toll-road extension of State Route 125, opened on November 19, 2007.