November 8, 2007 -- The preparation phase for the extension of Xi'an's Line One has started with the compilation of a feasibility study, reported Huashang News, November 4, 2007. It also said that Line One will probably be extended to People's Square in Xianyang and Xianyang International Airport.

To accelerate the speed of overall economy development between Xi'an and Xianyang cities, the Transportation Department of Xi'an has decided to extend Line One to People's Square to promote business travel between the two cities, as well as improve the efficiency of land usage alongside Line One, reported Huashang News. This project is scheduled to start after the completion of Line Two in 2009 and to be put into operation in 2013. Moreover, other subway lines including Line Three, Line Four, Line Five and Line Six will start construction in 2013 according to the plan. Huashang News reports Liu Guozhi, Director of Development and Reform Commission of Xianyang City, as saying that after the extension of Line One to the Xi'an Xianyang International Airport, Xianyang City will become the first second-tier city in a China with a subway.