Caishikou station
Caishikou Station () is an interchange subway station between Line 4 and Line 7 of the Beijing Subway. Line 4 station opened in September 2009, together with the other stations on the line. It is located in the Caishikou neighbourhood of the Xicheng District. Station Layout. Both the line 4 and 7 stations have underground island platforms. Exits. There are 6 exits, lettered A, C, D, E, F, and G. Exits A, E, and G are accessible.