NHAI yakasikwa kuburikidza nekuparurwa kweNational Highways Authority of India Act, 1988. Chikamu 16 ((1) cheMutemo chinoti basa reNHAI nderekusimudzira, kuchengetedza nekutarisira migwagwa mikuru yenyika uye chero mimwe migwagwa mikuru yakaiswa mairi, kana kuiswa mairi, neHurumende yeIndia. Muna Kukadzi 1995, NHAI yakatanga kushanda uye yakaitwa zviri pamutemo sangano rakazvimiririra. Inotarisira kusimudzira, kuchengetedza uye manejimendi emigwagwa mikuru yenyika, inosvika pamusoro pe92,851.05 km (57,694.97 mi) kureba. NHAI zvakare ine basa rekuunganidza mutero pamigwagwa mikuru yakati wandei. Yogendra Narain aive sachigaro wekutanga weNHAI muna 1988. Iye ari muchengeti weIAS weUttar Pradesh.
India