United States Railroad Subdivisions

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Iowa Interstate Railroad

Reporting mark IAIS Class II ━━━━ Subdivision;
Subdivisions Barr Subdivision (R) Barstow Subdivision (R) Cedar Rapids Subdivision (O) Council Bluffs (BNSF) Subdivision (R) Council Bluffs (IAIS) Subdivision (O) Davenport Subdivision (R) First Division (R) IHB Main Line (R) Iowa City Subdivision (O) La Salle Subdivision (O) New Rock Subdivision (R) Newton Subdivision (O) Omaha (UP) Subdivision (R) Peoria Subdivision (O) Prairie City Spur (O) Rock Island District (R) Rock Island Spur (R)
O = Owner, R = Track rights

Data from U.S. Department of Transportation North American Rail Network Lines March 2022