ðɛɹ hɐvbɪn pɹəpˈoʊzəlz pˌʊt fˈɔːɹwɚd tə ɹˈʌn ɐdˈɪʃənəl sˈɜːvɪsᵻz tə slˈæʃ fɹʌm bɹˈɪstəl æz pˈɑːɹt ʌvðə sˈɛkənd fˈeɪz ʌvðə ɡɹˈeɪɾɚ bɹˈɪstəl mˈɛtɹoʊ plˈænz fˈɜːst pˌʊt fˈɔːɹwɚd ɪn tˈuː θˈaʊzənd ˈeɪt ænd ɹᵻbɹˈændᵻd æz "mˈɛtɹoʊ wˈɛst" ɪn tˈuː θˈaʊzənd θˈɜːtiːn.
There have been proposals put forward to run additional services to/from Bristol as part of the second phase of the Greater Bristol Metro plans first put forward in 2008 and rebranded as "MetroWest" in 2013.