haʊˈɛvɚ, ɪn tˈuː θˈaʊzənd tˈuː, ðə sˈʌðɚn sˈʌbɜːbz ɹˈeɪlweɪ mˈændʒuːɹə lˈaɪn wʌz ˈɔltɚd tʊ ˈɑːpɚɹˌeɪt vˈaɪəɹ ɐ mˈoːɹ dᵻɹˈɛkt ɹˈaʊt fɹʌm pˈɜːθ vˈaɪə ðə mˈiːdiːən stɹˈɪp ʌvðə kwɪnˈɑːnə fɹˈiːweɪ ɹˈæðɚ ðɐn vˈaɪə ðɪ ˈɑːɹmɐdˌeɪl ænd kwɪnˈɑːnə lˈaɪnz æz ɚɹˈɪdʒɪnəli plˈænd.
However, in 2002, the Southern Suburbs Railway (Mandurah line) was altered to operate via a more direct route from Perth via the median strip of the Kwinana Freeway rather than via the Armadale and Kwinana lines as originally planned.