ɪɾ ɪz ðə sˈɪstəmz ˈoʊldɪst ænd mˈoʊst jˈuːzd lˈaɪn, bˌiːɪŋ ˈoʊpənd ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈoːɹ ænd tɹænspˈoːɹɾɪŋ ɹˈʌfli twˈɛnti sˈɪks,nˈaɪnhˈʌndɹɪd pˈɜːsənz pɜːɹ ˈaʊɚɹ ɪnðə pˈiːk.
It is the system's oldest and most used line, being opened in 1974 and transporting roughly 26,900 persons per hour in the peak.