Bus route: Metro Line 7 → Metro Line 4 → Metro 13 → Metro changping line, the whole journey is about 37.7 kilometers.

1. Take Metro Line 7 from Qiaowan and arrive in caishikou station after three stops.

2. Walk about 50 meters and transfer to Daxing Line of Metro Line 4.

3. Take Daxing Line of Metro Line 4 and arrive at Xizhimen Station after 7 stops.

4. Walk for about 420 meters, and then transfer to Metro 13.

5. Take the subway 13 line and arrive at Xierqi Station after 5 stops.

6. Take the subway to changping line and arrive at Shahe Station after 4 stops.