Rubuta ci gaba don wannan sakin layi - Lokacin da aka fara buɗewa, Metro ta yi amfani da haɗuwa da jiragen ƙasa huɗu da shida; duk da haka, ba a yi amfani da jiragen ƙasa huɗu ba a cikin tsarin (ban da jirgin kuɗi) tun daga tsakiyar 2000s. Mafi na kowa jirgin kasa tsawon ne takwas cars saboda gaskiyar cewa 7000 jerin railcars za a iya sarrafa kawai wannan hanya. A lokutan da aka fi yawan aiki, ana amfani da cakuda motocin motoci shida da takwas, yayin da a lokutan da ba su da yawa da kuma karshen mako kusan dukkan jiragen kasa motoci shida ne kawai. A shekara ta 2008, Metro ya fara shirin samun isasshen adadin sabbin motocin 7000-Series don gudanar da 100% jiragen kasa takwas. Metro kuma ya gwada jiragen kasa takwas a kan layin Yellow da Blue a shirye-shiryen ƙara sabis a lokacin 2009 inauguration na Barack Obama
Ka yi haƙuri.