Bus route: Metro Line 4 825 → Daxing Line, with a total length of about 28.5 kilometers.

1. Walk about180m from the old palace and arrive at the old palace subway station.

2. Take bus No.825, pass 17 station, and arrive at subway Gongyi Xiqiao station.

3. Walk about 4 10 meters and arrive at Gongyi Xiqiao Station.

4. Take Daxing Line of Metro Line 4, pass 13 station and arrive at Zoo Station.

5. Walk about 2.7 kilometers to Beijing Jiaotong University.