ðə ɹˈeɪlweɪ wʌz ˈɔːlsoʊ tʃˈeɪndʒd təbi dˈʌbəl tɹˈækt bᵻtwˌiːn wˈeɪkɪki ænd mˈændʒuːɹə, kˈɔːzɪŋ ðə plˈænd fɹˈiːkwənsi bᵻtwˌiːn wˈeɪkɪki tə mˈændʒuːɹə tʊ ɪŋkɹˈiːs tə sˈɪks tɹˈeɪnz pɜːɹ ˈaʊɚ.
The railway was also changed to be double tracked between Waikiki and Mandurah, causing the planned frequency between Waikiki to Mandurah to increase to six trains per hour.