tˈʊɹɹɪsts kæn pˈɜːtʃɪs tɹˈævɪlkˌɑːɹdz tə tˈeɪk ðə tˈuːb, bˈʌs, ɔːɹ ˌoʊvɚɡɹˈaʊnd tɹˈeɪnz θɹuː dˈɛzɪɡnˌeɪɾᵻd zˈoʊnz.
Tourists can purchase Travelcards to take the Tube, bus, or overground trains through designated zones.