There is no direct train service to Tirap. The nearest railway stations are at Dibrugarh (120 km), Tinsukia (110 km) or Naharkatia (70 km) in Assam . From these places, daily bus/taxi service is available to the district headquarter, Khonsa. It takes approximately 3 hours each from Dibrugarh and Tinsukia and approximately 2 hours from Naharkatia to reach Khonsa. There is a daily Rajdhani Express and Brahamputra Express from New Delhi to Dibrugarh / Tinsukia via Guwahati. The train bookings may be done online at the site www.irctc.co.in.
Both Govt. and private deluxe bus services are available between Guwahati and Dibrugarh/Tinsukia. Night service is also available. Then from Dibrugarh or Tinsukia onwards, buses of Arunachal Pradesh State Transport Service (APSTS) to Khonsa have a daily service. Many private taxis / buses also ply on this route. Khonsa has recently been connected to State capital Itanagar by a daily direct bus service of APSTS.
Dibrugarh is connected to Guwahati by air through 2 daily flights. It also has a direct daily flight to New Delhi (Jetlite – www.jetlite.com). From Dibrugarh onwards, taxi or bus service is available. Dibrugarh is also connected to State Capital Itanagar by a daily helicopter (except Sundays) service (operated by Govt. of Arunachal Pradesh). Once a week, the helicopter also lands at Khonsa helipad from Dibrugarh. The time-table is however subject to change and exact prevailing timings may be ascertained from helipad at Itanagar (Ph No. 0360-2243262).