The strategic National Highway (NH-15) starting from its junction with NH-27 near Baihata-Charali connecting Mangaldai, Dhekiajuli, Tezpur, Banderdeva, North Lakhimpur, Dibrugarh, Tinsukia, Dum Duma in the State of Assam and terminating at its junction with NH-13 near Wakro in the State of Arunachal Pradesh.
Doom Dooma-Roing
Rangiya-Samdrupjunjkhar
Tawang-Wakro (near NH-15)
Kodangal-Bhopalpatnam