142 (or 40) → 38 takes about 35 minutes/7.3km. ..

1, Datong Railway Station, walk 450 meters to the bus stop of the railway station.

2. Take bus No.42 (or No.40) for 7 stops and get off at Dongguan.

3. Walk about 250 meters to Dongguan.

4. Take bus No.38 and get off at 2 stops to Datong University.