Starting point: Guanzhuang
1. Start from the starting point in the direction of due west, drive along Jingtong Expressway for 8.9 kilometers, go to Tonghuihe North Road/East Fourth Ring Road/Airport Expressway /G 1, turn right slightly and enter Sihui Bridge.
2. Drive along Sihui Bridge for 750m, after crossing Sihui Bridge for about 480m, go straight into Tonghuihe North Road Expressway.
3. Drive 4.3km along Tonghuihe North Road Expressway, cross Yong 'anli Bridge, face East Second Ring Road/Guangming Bridge, turn left slightly and enter Guangqumen Bridge.
4. Drive along Guangqumen Bridge 1 10 meters, cross Guangqumen Bridge, turn right ahead and enter the Second Ring Road.
5. Drive along the Second Ring Road 10.6km, cross Caihuying Bridge, go to Lize Bridge/West Third Ring Road/South Square of Beijing West Railway Station/Jingkai Expressway, turn left slightly and enter Caihuying Bridge.
6. Drive along Caihuying Bridge for 370 meters, cross Caihuying Bridge, face Lize Road/West Third Ring Road/South Square of Beijing West Railway Station, turn right slightly and enter Caihuying Bridge.
7. Drive along Caihuying Bridge. After crossing Caihuying Bridge for about 200 meters, go straight into Lize Road.
8. Drive along Lize Road for 2.2km and go straight into Fengtai North Road.
9. Drive along Fengtai North Road for 20 meters and go straight into Fengtai North Road.
10. Drive 2.9 kilometers along Fengtai North Road, cross Feng Wan Bridge, drive in the direction of Fengtai Town /G4/ Fangshan, turn left slightly and enter Fengti South Road.
1 1. Drive along Fengti South Road for 680m, cross Fengbei Bridge and go straight into Fengti South Road.
12. Drive along Fengti South Road 1. 1 km, cross Chengjing Bridge and go straight into Dajing West Bridge.
13. Drive along Dajing West Bridge for 570 meters, cross Chengjing Bridge and go straight into Beijing-Hong Kong-Macao Expressway.
14. Drive along Beijing-Hong Kong-Macao Expressway for 2 1.0 km, get off at Jingzhou Road/Yancun/Zhoukoudian/Dajian Road exit, and turn right slightly on the ramp.
15. Drive along the ramp for 850m, cross Dongyancun Bridge for about 370m, and go straight into Jingzhou Road.
16. Drive along Jingzhou Road 10.9 km and enter Chengguan South Road.
17. Drive along Chengguan South Road for 250 meters and turn right into Fangshan South Street.
18. Drive along Fangshan South Street for 30 meters, pass Fangshan No.2 of Dazhong Electric Appliance on the right for about 240 meters, and turn left into Baojian Road.
19. Drive along Baojian Road180m and reach the destination (on the right side of the road).
End point: Maternal and Child Health Hospital Branch