Line 12 of the Beijing Subway

Beijing Subway

The Beijing Subway is a rapid transit rail network that serves the urban and suburban districts of Beijing municipality. It is owned by the city of Beijing and has two operators, the wholly state owned Beijing Mass Transit Railway Operation Corp., which operates 12 lines, and the Beijing MTR...

is a rapid transit

Rapid transit

A rapid transit, underground, subway, elevated railway, metro or metropolitan railway system is an electric passenger railway in an urban area with a high capacity and frequency, and grade separation from other traffic. Rapid transit systems are typically located either in underground tunnels or on...

 rail line under planning in Beijing

Beijing

Beijing , also known as Peking , is the capital of the People's Republic of China and one of the most populous cities in the world, with a population of 19,612,368 as of 2010. The city is the country's political, cultural, and educational center, and home to the headquarters for most of China's...

. Construction is scheduled to begin before 2015.

History

Line 12's route has undergone substantial changes on the planners' drawing board.
In the late 1990s, one draft of the subway plan showed Line 12 running from the Beijing South Railway Station

Beijing south railway station

The current Beijing South Railway Station is a large railway station on the south side of Beijing that opened on August 1, 2008. The new station replaced the old Beijing South Station, first known as the Majiapu Railway Station and later known as the Yongdingmen Railway Station before 1988, which...

to Huangcun. The Beijing South Station was then built with subway platforms for only Lines 4 and 14.