hiː ˈædᵻd ðæt wˌaɪlst tˌiːˈɛf ˈɛl fˈʌndᵻd ðɪ ˌɪnstəlˈeɪʃən ʌv ˌoʊvɚɡɹˈaʊnd nˈɛtwɜːk "ˈɔn" sˈaɪnɪdʒ æɾ ɐpɹˈoʊpɹɪət nˈæʃənəl ɹˈeɪl stˈeɪʃənz, ɪɾ ɪz bˌiːɪŋ lˈɛft tʊ ˌɪndᵻvˈɪdʒuːəl tˌiːˌoʊsˈiːz tə ɹᵻmˈuːv ðiːz æt ðɛɹ ˈoʊn ɛkspˈɛns, hˈɛns ðə mˈɛni ðæt ɹᵻmˈeɪn ɪn sˈɪɾuː ɪn tˈuː θˈaʊzənd ˈeɪt, ænd ˈiːvən sˌʌm ɑːɹ stˈɪl lˈɛft æz ʌv tˈuː θˈaʊzənd twˈɛnti wˈʌn.
He added that whilst TfL funded the installation of Overground Network "on" signage at appropriate National Rail stations, it is being left to individual TOCs to remove these at their own expense, hence the many that remain in situ in 2008, and even some are still left as of 2021.