Transportation operates Michigan's most expansive trackage
system, with lines to most prominent industrial cities in lower
Michigan. The CSX trackage is actually a remnant of the
famous Pere Marquette Railroad Company, which in its prime criss-crossed
the lower penninsula.
busiest route is it's Toledo to Detroit route which handles a
tremendous amount of auto traffic. The Detroit-Grand
Rapids-Chicago line is also moderately busy, single track main
line. In addition to CSX trains, CP Rail runs a pair of through freights
from the Detroit river tunnel, through Plymouth and Grand
Rapids, to the Chicago area.
two largest terminals are Rougemere (in Detroit) and Wyoming
Yard in Grand Rapids.