The September 11 attacks resulted in service disruptions on lines running through Lower Manhattan, particularly the IRT Broadway–Seventh Avenue Line, which ran directly underneath the World Trade Center between the Chambers Street and Rector Street stations.
Serangan 11 September 2001 menyebabkan gangguan layanan pada jalur-jalur yang melewati Lower Manhattan, terutama Jalur IRT Broadway – Seventh Avenue, yang rutenya tepat berada di bawah World Trade Center antara stasiun Chambers Street dan Rector Street.