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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 the tri-junction of Assam-Nagaland-Arunachal Pradesh. It connects at least 16 districts of Arunachal Pradesh.[1][2][3][4][5][6]
| Trans-Arunachal Highway | |
|---|---|
| Route information | |
| Length | 2,407 km (1,496 mi) |
| Major junctions | |
| From | Tawang, Arunachal Pradesh |
| To | Akro, Assam |
| Location | |
| Country | India |
| States | Arunachal Pradesh |
| Highway system | |
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 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.
In October 2022, 1,458 km long route was complete and already operational.[9] TAH, from Tawang to Kanubari in Longding district has a target completion date of March 2024.[10]
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In January 2008, the project was announced by then Prime Minister of India, Manmohan Singh.[10]
Following follow agencies are responsible for the construction of TAH in several packages.
- Arunachal Pradesh state Public Works Department (APPWD): responsible for a 978-km stretch, of which 394.59 km is already complete by Aug 2021, and the remaining 583.41 km is under construction in several packages with target completion date of March 2024.[10]
- Border Roads Organisation (BRO)
- Ministry of Road Transport and Highways (MoRTH)
- National Highways and Infrastructure Development Corporation Limited (NHIDCL)
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Route: existing
- NH-13
- Seppa-Pakke-Kessang-Yachuli:
- A shorter direct Seppa-Mengio HQ- Meomey Sullong-Ziro spur must be constructed as an additional project.
- Seppa-Pakke-Kessang-Yachuli:
- NH-15:
- Wakro-Namsai:
- Wakro-Deban camp (Namdapha National Park) must be upgraded to national highway as additional project to connect to Arunachal Frontier Highway to Vijoynagar
- Wakro-Namsai:
- NH-215:
- Namsai-Bordumsa
- NH-?
- Bordumsa-Kharsang-Jairampur: being upgraded to NH.
- Kharsang-Miao must be upgraded to national highway as additional project to connect to Arunachal Frontier Highway to Vijoynagar (Namdapha National Park).
- Bordumsa-Kharsang-Jairampur: being upgraded to NH.
- NH-315
- Jairampur-Tikhak Taipi:
- NH-?
- Tikhak Taipi-Manmao-Rima-Changlang: being upgraded.
- NH-215
- Changlang-Khonsa:
- NH-?
- Longding-Kanubari-Rajgarh-Bogibeel bridge-: being upgraded.
- Longding-Mon spur must be constructed as a national highway as an additional project.
- Longding-Kanubari-Rajgarh-Bogibeel bridge-: being upgraded.
Future extensions
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.
- Tuting-Moreh Highway: Tuting-Pango-Payum-Silapathar-Bogibeel-Tuli-Tuensang-Ukhrul-Nambashi-Yongkhul-Keipham-Khudengthabi:
- From Tuting in Arunachal to Bogibeel Bridge to Tuli (Nagaland): via Lezai Miri Pathergam, Naharani on NH-2, Hati Barua and Charimuthia Gaon to Changdhore.
- Changdhore-Lahon-Yaongyimsen: greenfield.
- Ladaihgarh to Tuli: brownfield.
- Zunheboto-Jessami: greenfield upgrade.
- Jorcheng-Shirui Ching-Wuyakachui: greenfield upgrade.
- Wuyakachi-Ningchou: brownfield upgrade
- Ningchou-Nh102A Khonglo: greenfield.
- 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.
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To providing missing interconnectivity between three horizontal national highways across Arunachal Pradesh - Frontier Highway, Trans-Arunachal Highway and East-West Industrial Corridor Highway - following six vertical and diagonal national highway corridors of total 2178 km length will be built, which will also provide faster access to geostrategically important areas on India-China LAC.[13][14]
Listed west to east.
- Thelamara-Tawang-Nelia Highway: 402 km long highway connecting Thelamara in Assam to Kamengbari-Doimara, Shergaon, new greenfield highway along Bhutan-Arunachal border, Grelleng, Tawang, and Nelia on LAC border.[14]
- Itakhola-Pakke-Kessang-Seppa-Parsi Parlo Highway: 391 km long highway will connect Itakhola in Assam, Seijosa southeast corner of Pakke Tiger Reserve in Arunachal, Pakke Kessang circle HQ, Seppa HQ of East Kameng district, Chayangtajo circle HQ in East Kameng district, Sangram circle HQ on Koloriang-Ziro highway in Kurung Kumey district, Parsi Parlo circle HQ east of Koloriang district HQ of Kurung Kamey district.[14]
- Gogamukh-Taliha-Tato Highway: 285 km long highway from Gogamukh in Assam to Taliha (north of Daporijo HQ of Upper Subansiri district) and Tato (northeast of Taliha).[14]
- Akajan-Jorging-Pango Highway: 398 km long highway from Akajan near Silapathar in Assam to Aalo, Jorging (Jorsing), Pango (in Migging circle) south to Tuting in LAC).[14]
- Pasighat-Bishing Highway: 298 km long highway to connect Pasighat to Bishing on LAC border with a straight alignment.[14]
- Status:
- 2023 May: all the DPR (detailed project reports), various approvals including environmental and forest, and land acquisition will be completed by March 2025, and construction will be completed in 2 years by March 2027.[15]
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- Swadesh Darshan Tourist Circuits along the highways in Arunachal: In 2015 under the Swadesh Darshan Scheme, the Indian approved the funds to develop the following two tourist circuits in Arunachal Pradesh:[16]
- "Bhalukpong-Bomdila-Tawang Tourist Circuit" along the Arunachal Frontier Highway at the cost of ₹49.77 crore: The "facilities like accommodation, cafeteria, wayside amenities, last mile connectivity, pathways, toilet were built at Sorang Monastery, Lumpo, Zemithang, Bumla Pass, Gritsang, TSO lake, PTSO Lake, Thingbu and Grenkha Hot Spring, Lumla, Sela Lake." A multipurpose hall was built at at Jang.[16]
- "Nafra-Seppa-Pappu-Pasa-Pakke Valleys-Sangdupota-New Sagalee-Ziro-Yomcha Tourist Circuit" along the Trans-Arunachal Highway at the cost of ₹97.14 crores: The "helipad, wayside amenities, trekking trails, rafting centre, log huts, craft bazaar, eco park, tourist facilitation centres, parking, multipurpose Hall, festival ground etc." were built.[16]
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- Feb 2018: ₹100,000 million (US$1.2 billion) Tawang to Wakro NH-13 became operational in 2018 when 6.2 km long Dibang River Bridge was completed across Dibang River.[17][18] 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.[10]
- October 2022: 1,458 km long route, out of 1,540 km long approved DPR, is complete and operational. Remaining 82 km is under construction. Another nearly 300 km long roure is either being completed under other projects or the DPRs are in various stages of preparation and approval.[9]
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- Arunachal Pradesh connectivity projects
- Bhalukpong-Tawang railway, under-construction
- Arunachal Frontier Highway, proposed along Indo-China border across upper Arunachal Pradesh
- Arunachal East-West Corridor, proposed across foothills of lower upper Arunachal Pradesh
- Northeast connectivity projects
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