Who builds and maintains the National Highways?
The National Highways Authority of India (NHAI) is the nodal agency responsible for building, upgrading, and maintaining most of the National Highways network. It operates under the Ministry of Road Transport and Highways of the Central Government.
The National Highways Authority of India was established by the National Highways Authority of India Act, 1988. Section 16(1) of the Act states that the function of NHAI is to develop, maintain, and manage the National Highways and any other highways vested in, or entrusted to, it by the Government of India.