Photo of Frankfort Station and Frankfort Grainery. Frankfort Station is a popular attraction where concerts and other events are held. In back of the Frankfort Station is the Frankfort Grainery and Old Plank Road Trail. Formerly used for railroad train tracks the Old Plank Road trail is now a public biking and walking path. Frankfort is a historic Southwestern suburb of Chicago founded in the early 1800's by German settlers.