How does national highways play a dominant role?
Answers
Explanation:
The National highways in India are a network of trunk roads that is owned by the Ministry of Road Transport and Highways. It is constructed and managed by the National Highway Authority of India (NHAI), the National Highways and Infrastructure Development Corporation (NHIDCL), and the public works departments (PWD) of state governments.
National highways of India
Renumbered National Highways map of India (Schematic)
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. The National Highways Development Project (NHDP) is a major effort to expand and upgrade the network of highways. NHAI often uses a public–private partnership model for highway development, maintenance, and toll-collection.
In India, National Highways are at-grade roads, whereas Expressways are controlled-access highways where entrance and exit is controlled by the use of ramps that are incorporated into the design of the expressway.
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