| A.P.S.T.S. Bus Route | Bus Type | Departure | Arrival | Boarding From |
| Tawang To Zimithang | Regular | 0700 Hrs | 1400 Hrs | Tawang Bus Depot |  |
There is only one bus in a day between Tawang and Zimithang. The only bus to depart is at 0700 Hrs by A.P.S.T.S.. This bus is Regular and the boarding point is Tawang Bus Depot. The journey takes 7 Hrs covering a distance of 95 Kms and the bus will reach Zimithang at 1400 Hrs