ɐ sɪɡnˈɪfɪkənt tʃˈeɪndʒ ɪn bˈʌs ɹˈaʊts əkˈɜːd ˌɔn ˈeɪtiːn dᵻsˈɛmbɚ tˈuː θˈaʊzənd ɪlˈɛvən, wˌɪtʃ sˈɔː ðə fˈaɪvhˈʌndɹɪd nˈaɪnti sˈɜːvɪs wɪθdɹˈɔːn ænd tˈuː nˈuː bˈʌs ɹˈaʊts fˈaɪvhˈʌndɹɪd ˈeɪɾi θɹˈiː ænd fˈaɪvhˈʌndɹɪd ˈeɪɾi fˈoːɹ ɹᵻplˈeɪsɪŋ ðɪ ɚɹˈɪdʒɪnəl fˈaɪvhˈʌndɹɪd ˈeɪɾi ˈeɪt ænd fˈaɪvhˈʌndɹɪd ˈeɪɾi nˈaɪn sˈɜːvɪsᵻz.
A significant change in bus routes occurred on 18 December 2011, which saw the 590 service withdrawn and two new bus routes 583 and 584 replacing the original 588 and 589 services.