Guojia Tushuguan (National Library) station

The line 4 and 9 stations have underground dual-island platforms with cross-platform interchange. On one side, southbound line 4 trains to Tiangongyuan interchange with originating line 9 and weekday peak Fangshan line (through service) trains heading towards Guogongzhuang and Yancundong, whilst on the other, terminating line 9 and weekday peak Fangshan line (through service) trains interchange with northbound line 4 trains heading towards Anheqiao North. The line 16 station has a separate underground island platform. == Exits ==

There are 6 exits, lettered A, B, C, D, E and F. Exits D and F are accessible via elevators. ==Gallery==

File:National library station.jpg | Line 4 platform in May 2010, the white wall on the left shows construction of transfer to Line 9 File:Natl Library Station.jpg | The day before the connection with line 9 opened to the public File:Concourse of L4-L9 National Library Station (20210118193633).jpg| Line 4 & 9 concourse File:Concourse of L16 National Library Station 20210222.jpg|Line 16 concourse File:Poem-decorated ceiling lamp at L16 National Library Station (20201231120035).jpg| Line 16 station lamp decorated with Tang dynasty poem On Hearing An Wanshan Play the Reed-Pipe ==References==