The National Highway System of Nepal is the group of main roads in Nepal. Any highway or road that connects east to west and north to south is considered a National Highway of Nepal.
National Highways are administered by the Department of Roads under the Ministry of Physical Infrastructure and Transport (Nepal).
According to the Statistics of National Highway SNH-2020/21 there are 80 National Highways in Nepal, with a total length of 14913 km.
The new report of the Road Department of Nepal "Statistics of National Highway SNH-2022/23" shows that a total of of new roads have been built in Nepal in a span of 1 year, thus the total length of National Highway in Nepal in the year 2023 has become
When one or more roads run along a river, in Nepal it is called a corridor named after that river. There are some north-south corridors which include one or more highways.