Which line should I take from shaoyaoju to Beijing West Railway Station?

Here you can take the subway 10, 4 and 9 lines to Beijing West Railway Station. The bus routes are as follows:

1. Walk from shaoyaoju 1.0km to Shaoyaoju Station, take the subway 10 line and get off at Haidian Huang Zhuang Station.

2. Transfer here, take the subway line 4 in the direction of Tiangongyuan and get off at the National Library Station.

3. Change to Metro Line 9 in the direction of Guogongzhuang again and get off at Beijing West Railway Station.