National Highway 218 (NH - 218)( Kannada:ರಾಷ್ಟ್ರೀಯ ಹೆದ್ದಾರಿ ೨೧೮ )is a national highway of India. This highway connects four main cities in northern part of Karnataka state namely, Gulbarga, Bagalkote, Bijapur and Hubli (also known as Hubballi). It covers a distance of 399 km. The NH 218 was a state highway before nominated as national highway. The state highways are maintained by respective state governments, whereas national highways are maintained by Central Government of India.