National Highway 173 (NH 173), is a national highway in Indian state of Karnataka. It originates in Mudigere, travels through Vastare and Sakharayapatna of Chikmagalur district, Hosadurga, Holalkere, Chikkajajur of Chitradurga district, it terminates at Anagodu on Bengaluru - Pune Highway in Davanagere District. Road widening project has been kept in abeyance after just renumbering existing state highway to national highway by NHAI.