Trans-Arunachal Highway

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Trans-Arunachal Highway
Route information
Length2,407 km (1,496 mi)
Major junctions
FromTawang, Arunachal Pradesh
ToAkro, Assam
Location
StatesArunachal Pradesh
Highway system

The Trans-Arunachal Highway (TAH), which includes an existing 1,811 km (1,125 mi) route comprising NH-13 (1,559 km (969 mi)) and parts of NH-15 (80 km (50 mi)), NH-215 (30 km (19 mi)) and SH-25, is an under-construction 2-lane more than 2,407 km (1,496 mi) long highway passing through 16 districts in Arunachal Pradesh state in India. It runs from LAC in Tawang in northwest to Kanubari in southeast at tri-junction of Assam-Nagaland-Arunachal Pradesh. It connects at least 16 districts of Arunachal Pradesh.[1][2][3][4][5][6]

The Trans-Arunachal Highway, passing through the entire length of the state, roughly divides Arunachal Pradesh state in two parts - the upper two-third in north and east and lower one-third. At least 1811 km route already exists as national highway, and remaining are either greenfield or an upgrade of existing routes to national highway standard. It starts from India's north most military post (north of Hathung La Ridge) in Tawang district, goes via via Zemithang, Tawang, Bomdila, Nechipu, Seppa, Sagalee, Yupia, Yazali, Ziro, Daporijo, Aalo, Pasighat, southern part of Dibang Valley district, Lohit, Roing, Tezu, Mahadevpur, Bordumsa, Namchik, Changlang, Khonsa, Longding, and ends at Kanubari.[1][7]

The Trans-Arunachal Highway greatly helps in reducing isolation of the people by connecting the district headquarters, major hydro electric power projects and other important places.[1] Trans-Arunachal Highway, along with the under-construction Arunachal East-West Corridor across the lower foothills inside Arunachal Pradesh along the Assam border and the proposed Arunachal Frontier Highway along the China border, are important enablers of Northeast development and India's Look East connectivity strategy.[8] This strategically important highway network enhances Indian military's capabilities in combating the threat of China's Western Theater Command opposite India's eastern sector of Line of Actual Control.

TAH, from Tawang to Kanubari in Longding district has a target completion date of March 2024.[9]

History[edit]

In January 2008, the project was announced by then Prime Minister of India, Manmohan Singh.[9]

Construction agencies[edit]

Following follow agencies are responsible for the construction of TAH in several packages.

Project details[edit]

Route: existing[edit]

  • Tawang-Seppa: Existing NH-13.
    Sela Tunnel, with target completion by Jan/Feb 2022, will provide shorter all-weather alternative connectivity.[10][11]
  • Nag Mandir - Gohenthan: Missing direct connectivity.
    There is no direct route, the present alternate connectivity is via a semi-circular NH-13 loop through Doimukh
  • Gohenthan-Seppa: Existing NH-13.
  • Seppa-Yachuli: Missing direct connectivity.
    There is no direct route, the present alternate connectivity is via a semi-circular NH-13 loop through Doimukh.
  • Yachuli-Pasighat-Wakro: Existing NH-13.
  • Wakro-Namsai: Existing NH-15.
  • Namsai-Jairampur: Missing direct connectivity. Existing longer alternate route is outside Arunachal Pradesh and it runs through Assam as NH-215 and NH-315.
  • Jairampur-Longvi-Changlang-Longding-Kanubari-NH-702: upgrade of existing, present status is unknown.
  • Bordumsa-Vijoynagar: Missing upgrade. Rough connectivity exists, upgrade of existing routes to NH standard and construction of Piyong-Goju bridge on Noadhing River as well as environmental approval for road through Namdapha National Park are needed.

Route: yet to be constructed/upgraded[edit]

Following are either greenfield connectivity or upgrade of existing roads to national highway standard,

  • West
    • Rupa-Bhutan border: upgrade of existing from NH-13 - Sheggaon - Ching - Sumdrung, then greenfield to Bhutan border.
    • Nag Mandir - Gohenthan direct route: Construct greenfield.
    • Seppa-Yachuli direct route: to construct the missing direct connectivity via Mengio HQ and Meomey Sullong
  • East
    • Bordumsa-Vijoynagar spur: Upgrade of existing connectivity from Bordumsa on NH-215, via Goju - greenfield bridge over Noadhing River (same bridge as mentioned in Namsai-Jairampur spur) - Piyong - Namdapha National Park - Vijoynagar - Myanmar border.

Future extensions[edit]

Following extensions are needed to optimise the connectivity with the neighboring states and beyond, as these extensions will enable the larger national strategic objectives including eliminating the vulnerability of Siliguri Corridor.

  • Changlang-Bogibeel Bridge spur: Grrenfield Changlang-Soha Camp-Deomali-Namrup, upgrade of existing Namrup - Digahlia No 2 - 1 No Lengeri Gaon - Geori Gaon, then continue on existing NH-2-Lepet Kata, from Lepetkata on NH-2 to Bogibeel Bridge.
    • Bogibeel Bridge to Tuli extension of above: via Lezai Miri Pathergam, Naharani on NH-2, Hati Barua and Charimuthia Gaon to Changdhore, greenfield from Changdhore and Lahon to Yaongyimsen Comp. Ladaihgarh to Tuli spur.
  • Sumdrung in Arunachal - Kangpar-Pasapu-Narpu in Bhutan
    • Arunachal-Sikkim via Bhutan: Narpu-Galechugaon-Darphu-Chukka-Dengna-Dorokha - Rango Forest on India-Bhutan border, to NH-717A at beginning of SH-12
    • SH-12: Upgrade from Bhutan border to Nepal border at Mana Bhanjang.
    • Nepal-India connectivity: Mana Bhanjang on Nepal-West Bengal border to Gooduk (upgrade existing), Damak (greenfield), to Chichhora (upgrade existing F02) on Nepal-Bihar border.
    • Bihar connectivity: upgrade existing SH-99 Chichhora-Jogihat-Baisi to NH-29.

Current status[edit]

  • 2018: ₹100,000 million (US$1.4 billion) Tawang to Wakro NH-13 became operational in 2018 when 6.2 km long Dibang River Bridge was completed across Dibang River.[12][13] This completion of entire NH-13, partially completes the route for Trans-Arunachal Highway.
  • Aug 2021: TAH , from Tawang to Kanubari, is being constructed by 4 entities: Arunachal Pradesh state PWD (APPWD), BRO, MoRTH, and NHIDCL. Of the 978 km allocated to APPWD, 394.59 km is already complete and remaining 583.41 km is under construction in several packages with target completion date of March 2024.[9]

Related connectivity[edit]

Arunachal Pradesh connectivity projects
Northeast connectivity projects

See also[edit]

References[edit]

  1. ↑ 1.0 1.1 1.2 A NOTE ON TRANS-ARUNACHAL HIGHWAY, Arunachal PWD, 13 Feb 2008.
  2. ↑ "Archived copy". Archived from the original on 10 April 2009. Retrieved 20 July 2011.{{cite web}}: CS1 maint: archived copy as title (link) Start and end points of National Highways-Source-Government of India
  3. ↑ Road network funding, MODNER
  4. ↑ Is hectic highway building in Arunachal Pradesh leading to more landslides?, Scroll, 14 July 2017.
  5. ↑ Bidding process for trans-Arunachal highway complete, Business Standard
  6. ↑ Trans Himalayan Highway route, Scroll India.
  7. ↑ Vishnoi, Anubhuti (22 May 2008). "Trans-Arunachal Highway upgraded, is now NH-52B". Indian Express. Retrieved 2 February 2020.
  8. ↑ Arunachal Dy CM Lays Foundation Stone of Bridge over Bari River, North East Today, 11 Dec 2017.
  9. ↑ 9.0 9.1 9.2 9.3 'Four agencies executing Trans Arunachal Highway' Says CM Pema Khandu, [sentinelassam.com Sentinel Assam]. 28 Aug 2021.
  10. ↑ Sela pass tunnel, Economic Times, 1 Feb 2018.
  11. ↑ Sela tunnel construction to start soon, Business Standard, 21 Nov 2018.
  12. ↑ "Dibang bridge icing on road building cake". Arunachal Observer. 19 February 2018. Retrieved 28 April 2019.
  13. ↑ Largest and longest bridges in India, [www.tentaran.com Tentaran].
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