ɐ dˌaɪəɡɹɐmˈæɾɪk mˈæp ʌvðɪ ˌoʊvɚɡɹˈaʊnd nˈɛtwɜːk wʌz pˈʌblɪʃt tə səpˈoːɹt pˈæsɪndʒɚɹ ˌɪnfɚmˈeɪʃən pɹəvˈɪʒən, ʃˈoʊɪŋ hˈaɪfɹˈiːkwənsi ɹˈaʊts ɪn kˈʌlɚ, wɪð ˌʌndɚɡɹˈaʊnd ænd tɹˈæmlɪŋk kənˈɛkʃənz.
A diagrammatic map of the Overground Network was published to support passenger information provision, showing high-frequency routes in colour, with Underground and Tramlink connections.