The person was struck by Union Pacific North train #322, which was scheduled to arrive at Ogilvie Transportation Center at 9:40 a.m., Metra said.
The crash happened near Oakwood Cemetery in Waukegan.
Waukegan police said the pedestrian died after the crash.
Services were delayed after all northbound and outbound trains were halted, a Metra spokesperson said.
The video in the player above is from a previous report.