In Bangkok, serious traffic congestion has occurred dsince the 1970s. To solve this problem,Bangkok's first subway "Blue Line" was opened in 2004. However,  it turned into a deficit immediately after the opening due to excessive demand forecast and inadequate operation system. While the initial investment in the urban railway project is large, it takes time to form the network around the railroad track

Our project studies is considering its price elasticity of demand, finanicial analysis of the scheme, ccross-elasticity.

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