Nepal is a landlocked country where transportation is difficult due to the mountainous terrain. Modern transportation in Nepal has just started in the 20th century.
The Araniko Highway or NH 34 connects Kathmandu with Kodari, 112 kilometres (70 mi) northeast of the Kathmandu Valley, on the Nepal-China border. It is among the most dangerous of highways in Nepal due to extremely steep slopes on each side of the road from Barabise onwards; massive landslides and bus plunges are not uncommon, especially after rains. At the Sino-Nepal Friendship Bridge, it connects with China National Highway 318 to Lhasa, and eventually to Shanghai.
Kathmandu Ring Road or NH39 is an eight-lane ring road circling around the cities of Kathmandu and Lalitpur. The total length of the Ring Road is 27 kilometres (17 mi). It has a right of way of 62m.
Mahakali Highway is a National Highway of Nepal located in Sudur Province. The total length of the highway is 364.93 km (226.76 mi), in which 234.93 km (145.98 mi) of the road has been paved.
NH15 or Gwarko–Lamatar–Dahaltar Road is a provincial national highway located in Bagmati Province of Nepal that runs from Gwarko to Dahaltar via Lubhu, Lamatar, Lakuri Bhanjyang, Mane Dobhan and Panauti. Total length of the highway is 128 kilometres (80 mi).
NH23 is an Interprovincial National Highway between Bagmati Province and Koshi Province of Nepal. The total length of the highway is 291 kilometres (181 mi). The western section of this highway is completed and the eastern section is planned.
Pasang Lhamu Highway is a 65 kilometres (40 mi) National Highway of Nepal located in the Bagmati Province it can be considered an alternative route of Trishuli Corridor (NH42) in Rasuwa District.
National Highway 21 (Sitapaila-Dharke) is a 24 kilometres (15 mi) National Highway of Nepal, located in Bagmati Province It is an alternative route to Naubise-Nagdhunga section of NH41. The Dharke-Sitapaila stretch begins from Dharke along the Prithvi Highway (NH17) in Dhading and links Sitapaila of Kathmandu through Maheshphant, Bhimdhunga and Ramkot. After the completion of the upgrade work, the 24-km two-lane road will be 12 metres wide. The road is considered to be the shortest alternative route to enter the capital.
National Highway NH40 (Thanapati-Samakhushi) is a national highway of Nepal. The highway is located in Kathmandu District and Nuwakot District of Bagmati Province. The total length of the highway is 29.52 kilometres (18.34 mi).
Sahid Highway is a national highway in Nepal located in Lumbini Province. The total length of the highway is 223.91 kilometres (139.13 mi). Feeder road F138, F015 and F179 were converted and upgraded into NH54.
National Highway 59, NH59 is a proposed national highway in Nepal which is being constructed in Karnali Province. The total length of the highway is supposed to be 187.91 kilometres (116.76 mi). According to SNH2020-21 53.74 kilometres (33.39 mi) of the road has already been opened and 33.74 km (20.97 mi) of the road has been paved.
Panchkoshi Highway is a proposed national highway in Nepal which is being constructed in Karnali Province. The total length of the highway is supposed to be 288.23 kilometres (179.10 mi). According to SNH2020-21 125.67 kilometres (78.09 mi) of the road has already been opened and 60.67 km (37.70 mi) of the road has been paved.
National Highway 61, NH61 is a proposed national highway in Nepal which is being conducted in Karnali Province. The total length of the highway is supposed to be 164.62 kilometres (102.29 mi). According to SNH2020-21 115 kilometres (71 mi) of the road has already been opened and 100 km (62.14 mi) of the road has been paved.
National Highway 62, NH62 is a proposed national highway in Nepal which is being constructed in Sudurpashchim Province. The total length of the highway is supposed to be 240.98 kilometres (149.74 mi). According to SNH2020-21 70.98 kilometres (44.10 mi) of the road has already been opened and 54.47 km (33.85 mi) of the road has been paved.
Jayaprithvi Highway is a national highway in Nepal located in Sudurpashchim Province. The total length of the highway is 113.05 kilometres (70.25 mi).
National Highway 65, NH65 is a proposed national highway in Nepal, located in Sudurpashchim Province. The total length of the highway is 304.94 kilometres (189.48 mi) of which 64 km (39.77 mi) has been opened.
National Highway 67 (NH67) is a proposed national highway in Nepal located in Sudurpashchim Province. The total length of the highway is 198.14 kilometres (123.12 mi) in which 25.79 km (16.03 mi) of the track has been opened. The road from Brahmadev to Dattu is marked as National Highway 67.
National Highway 68 (NH68) is a proposed national highway in Nepal located in Gandaki and Lumbini Provinces of Nepal. The total length of the highway is 83.10 kilometres (51.64 mi) in which 10.17 km (6.32 mi) of the track has been opened.
National Highway 69 (NH69) is a national highway in Nepal located in Gandaki province. The total length of the highway is 41.47 kilometres (25.77 mi)
