National highway: India has 599 National Highways covering

India has 599 National Highways covering 1,46,145 km. Check renumbered routes, state-wise length, and key facts about National Highways in India 2025. Read about the List of Important National Highways in India. Learn about the longest and shortest national highways in India. Check out State-Wise National Highways Length. This detailed guide is useful for the Geography segment of the IAS Exam. पेज अंतिम अपडेट: 04-11-2025 आगंतुकों की संख्या: 25409879 On 28 April 2010, the Ministry of Road Transport and Highways officially published a new numbering system for the National Highway network in the Gazette of the Government of India. [1][2] It is a systematic numbering scheme based on the orientation and the geographic location of the highway.