Metro Line 4 Begins Planning Review stage
News reports have suggested that 28 experts from Beijing, Shanghai, Tianjin and other places arrived in Changsha, to discuss the planning stage of the Metro Line 4 construction, route and other key factors ahead of a final review stage.
Should all go well with the review, Changsha Rail Group announced that the preliminary design with the "realisation of the project started in the year to provide favorable conditions." . This should be a five year construction project with the line to call at 24 stations and the project is estimated to cost about 24.52 billion yuan.
The idea is to make an 'M' shaped subway line map network, according to suggested reports.