kɹˌɑːnəlˈɑːdʒɪkli ðə sˈɛkənd lˈaɪn ɪnðə sˈɪstəm, ɪt wʌz fˈɜːst ˈoʊpənd ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti ˈeɪt ænd hɐz ɛkspˈændᵻd mˈoʊstli dˈʊɹɹɪŋ ðə nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi z.
Chronologically the second line in the system, it was first opened in 1978 and has expanded mostly during the 1980s.