Construction of the first phase of Hangzhou Metro Line 1 began on March 28, 2007, with subsequent phases beginning later in that year. The first phase included three underground stations in Qianjiang New City. Jiubao East Station is the biggest station along Line 1 and will be a hub for the future metro system and other forms of public transport. The funding of Line 1 came from both the city government and the banks, with 10.2 billion yuan and 5 billion yuan respectively. The first phase construction was estimated to be 45 billion yuan.