wɪððɪ ɛksˈɛpʃən ʌvðə mˈæɹɪkvˌɪl tə pˈoːɹt bˈɑːtəni ænd lˈɪlɪfˌiːld tə sˈɛntɹəl sˈɛkʃənz, ðə nˈɛtwɜːk wʌz ᵻlˈɛktɹᵻfˌaɪd ɪn stˈeɪdʒᵻz.
With the exception of the Marrickville to Port Botany and Lilyfield to Central sections, the network was electrified in stages.