ɐ tˈɪmbɚ ɹˈeɪlweɪ fɹʌm dʒˈæɹɑːdˌeɪl tə ɹˈɑːkɪŋˌæm wʌz bˈɪlt ɪnðə nˈaɪntiːnθ sˈɛntʃɚɹi, kɹˈɔsɪŋ ðə mˈeɪn sˈaʊθ wˈɛstɚn ɹˈeɪlweɪ lˈaɪn fɹʌm pˈɜːθ tə bˈʌnbɛɹi æt mˈʌndɪdʒˌɑːŋ.
A timber railway from Jarrahdale to Rockingham was built in the 19th century, crossing the main South Western Railway line from Perth to Bunbury at Mundijong.