Depart from the unknown section of Lanzhou city, drive into Nanbinhe East Road 60 meters, drive into Beijing Cable 880 meters and drive 40 meters.

Enter Lanzhou Yellow River Bridge, go straight for 330m, drive 60m, turn right, drive 160m into Beibinhe Middle Road, drive 3.8km into Xiaoxihu Yellow River Bridge, drive 630m into G2 12, drive 820m into Goujian Road, drive 660m into Langongping Road, drive1.0km. Drive 80.2km to the right, 930m to Lian * * *, 480m to Wenfeng North Road, 1.5km to Wenfeng West Road, 230m to an unknown section, and 380m to Lintao County.