Wangjing West Houshayu
What was the terminus of Line 15 (Beijing Subway) from Dec 2010 to Dec 2011?
Line 15 ( Beijing Subway ) Line 15 of the Beijing Subway ( ) is a rapid transit rail line in northern Beijing . The line has a total length of across northern Beijing from Qinghuadongluxikou in Haidian District in the west , to Fengbo in Shunyi District in the east . The line uses Sparcs CBTC system supplied by Nippon Signal . It cost ¥17.6 billion . The line features 6-car trains similar to other lines in the Beijing Subway . Tunnels of Line 15 are up to underground , making them the deepest in Beijings subway system . Trains run every 2–3 minutes during the rush hour with some trains performing express services . A journey on a local all stop train from Fengbo to Qinghuadongluxikou station takes about 60 minutes . Route . The line is with 20 stations , with 4 transfer stations at Wangjing ( Line 14 ) , Wangjing West ( Line 13 ) , Datunlu East ( Line 5 ) and Olympic Green ( Line 8 ) . The line run from Qinghuadongluxikou in Haidian District to Fengbo in Shunyi District . Line 15 travels underground from Qinghuadongluxikou to Maquanying , and then goes above ground on an elevated track to Houshayu before returning underground and going underneath the Chaobai River to Fengbo . The elevated section is high enough to allow elevated roads to pass underneath . A major public venue on the Line 15 is the New China International Exhibition Center ( New CIEC ) at the China International Exhibition Center station . New CIEC holds the annual Beijing International Automotive Exhibition , which attracted 800,000 visitors in 2012 . History . During planning of Line 15 , the eastern terminus was moved from Fuqian Jie to the east bank of the Chaobai River . Construction began on Phase I of Line 15 in Shunyi District on April 11 , 2009 . At that time , Phase I of Line 15 was only long with 12 stations . According to the construction schedule in 2009 , the easternmost Shunyi section of Phase I ( in length with seven stations ) would be opened first on December 30 , 2011 . The remainder of Phase I would follow in May 2013 . The route of Line 15s Phase II has been revised several times over the years . In April 2009 , Phase II plans showed the western half of Line 15 running from Xiyuan Station in Haidian District , through the campus of Tsinghua University , Zhongguancun , and the Olympic Green , and joining at Wangjing West . When track-laying began in Phase I on October 28 , 2009 , the schedule and alignment of underwent a major revision , with one proposal extending Line 15 westward as originally planned with additional stations and another proposal sending Line 15 southward and parallel to Line 8 to provide relief for congested Line 4 and 5 . Ultimately the route west to Qinghuadongluxikou was selected and the design of Xiyuan station leaves enough space to build another platform in between Line 4 and Line 16 platform for potential Line 15 extension westward beyond Qinghuadongluxikou . Additionally the construction schedule was revised with Phase I expanded from and 12 stations to and 18 stations . plans also underwent a revision ; instead of two sections , Phase II would be built and opened in three sections . The first section of , from Wangjing West to Houshayu , opened on December 30 , 2010 . The second , from Houshayu to Fengbo , followed at the end of 2011 . The third section , from Qinghuadongluxikou to Wangjing West , opened on December 28 , 2014 . Line 15 , Phase I stations , from east to west with transfers in parentheses : * Wangjing East station did not open in 2010 due to lack of connections with the surrounding road system . It was opened on 31 December 2016 . <nowiki>**</nowiki> Datunlu East station did not open in 2014 because the transfer corridors to Line 5 were still under construction . It was opened on 26 December 2015 . External links . - Official Beijing Subway Website - Line 15 Information Page at the Beijing Infrastructure Investment Co . Ltd .