Metro-North President Howard Permut calls the work the wholesale reconstruction of a two-track electrified railroad.

WSJ: How the Conn. train crash will affect commuters

Metro-North President Howard Permut predicted a "normal" rush-hour train schedule Wednesday morning.

WSJ: Metro-North Is Set To Restore Full Service Wednesday

"Our crews will essentially be rebuilding 2, 000 feet of damaged track and overhead wires and signal system, " Metro-North Railroad President Howard Permut said in a statement.

CNN: 9 still hospitalized after Connecticut train collision