NH05 at Biratnagar NH01 at Itahari NH09 at Dharan NH06 at Mulghat NH03 at Hile, Leguwa NH10 at Bohoratar Koshi Highway or NH08 (previously: H08) (Nepali: कोशी राजमार्ग) is a 390 km long highway located in Koshi Province.

[1][2] Rani at Biratnagar is the starting point of the road[3] which is connected to Jogbani in India and Kimathanka is the end point of the Koshi Highway, which is connected to Chinese town Chentang.

The work was awarded to Nepal Army to open the remaining track.

On 27 January 2025 the remaining track (Chyamptang-Ghongghoppa section of the road) was completed by the Nepal Army and the road from Indian border Jogbani to Chinese border Chentang is completely connected though road is not yet operational, as bridges on the rivers are not completed.

[4] though southern section of the Koshi Highway is not blacktopped yet.