NAGPUR ROAD PLAN

The Nagpur Road plan classified the roads in India based on location and functions into the following five categories:
National Highways (NH)
State Highways (SH)
Major District Roads (MDR)
Other District Roads (ODR)
Village Roads (VR)

National Highways (NH) are main highways running through length and breadth of India. Connecting major ports, foreign highways, capitals, large state and tourist centers including roads required for strategic movements for the defense of India.

State Highways (SH) are roads of a state connecting the national highways of adjacent states, important cities within the state and serve as the main arteries for traffic to and from district roads.

Major District Roads (MDR) are important roads within a district serving areas of markets and connecting main highways of a district.

Other District Roads (ODR) are roads serve rural areas of production and providing them with market centers, block development, or other main roads.

Village Roads (VR) are road connecting villages or groups of villages with each other to the nearest road of a higher category.