The routes all operate on Richmond Avenue and Hylan Boulevard on Staten Island, but go to three separate terminals in Manhattan.
They then turn left on Hylan Boulevard, passing through the neighborhoods of Great Kills, New Dorp, and Dongan Hills.
[2][3][4][5][6] The SIM1 uses Battery Place to access the one-way pair of Church Street northbound and Broadway.
At West Street, southbound SIM7 buses follow the northbound route to the Battery Tunnel.
[4][2] The SIM10 operates through the Battery Park Underpass to access the FDR Drive, turning west at 23rd Street and north onto Sixth Avenue.