sˌʌm ˌɪntɚsˈɪɾi ɹˈaʊts ɑːɹ bˈɪlt baɪ kənsˈɛʃənˈɛɹz ænd pɹˈaɪvət kˈʌmpəniz ɪn ɛkstʃˈeɪndʒ fɔːɹ pˈeɪmənt fɹʌmðə ɡˈʌvɚnmənt, aʊtsˈaɪd ʌvðə ɹᵻspˌɑːnsəbˈɪlᵻɾi ʌvðə nˈæʃənəl ɹˈoʊdz ɐθˈɔːɹɪɾi, wˌaɪl ˈʌðɚz ɑːɹ dɪvˈɛləpt ænd meɪntˈeɪnd baɪ ɹˈiːdʒənəl ɔːɹ mjuːnˈɪsɪpəl ɹˈoʊd ɐθˈɔːɹɪɾiz.
Some inter-city routes are built by concessionaires and private companies in exchange for payment from the government, outside of the responsibility of the National Roads Authority, while others are developed and maintained by regional or municipal road authorities.