INTERLOCKING TOWERS

BALTIMORE & OHIO

Now owned by CSX.

Lines are grouped into historic operating divisions. As passenger service declined during the 1950's, many divisions were consolidated.


BALTIMORE & OHIO CHICAGO TERMINAL

Altenheim Subdivision (Chicago-Forest Park)
Blue Island Subdivision (Chicago-Blue Island)
Barr Subdivision (Blue Island-Pine Jct.)
Lake Subdivision (South Chicago-Pine Jct.)
Chicago Heights Subdivision (Blue Island-Chicago Heights)


B&O CHICAGO DIVISION

Chicago Division (Pine Jct.-Garrett-Ohio State Line)


B&O ST. LOUIS DIVISION

Indiana Subdivision (Cincinnati-Washington IN)
Illinois Subdivision (Washington IN-East St. Louis)

Louisville Subdivision (North Vernon-Louisville)

Springfield Subdivision (Shawneetown-Beardstown)


B&O INDIANAPOLIS DIVISION

Indianapolis Subdivision (Hamilton OH-Indianapolis)
Decatur Subdivision (Indianapolis-Springfield)