Originally, the only single track segment was between Sedley and Valparaiso, with CTC installed in 1933. West of Munster, line in 2013 was transferred from CN to CSX control, with the shift of more CN traffic to the Matteson Subdivision (former Elgin Joliet & Eastern) west of Griffith.
Radio Frequency - 160.590 (AAR Channel 32)
Dispatcher - 160.530 (AAR Channel 28)
31.1 Munster (junction-CSX)
34.0 Hays (NS crossing)
36.1 Griffith (crossing/junction-Matteson Subdivision)
39.6 Lottaville
43.3 Spring Lake
45.1 Ainsworth
50.4 Sedley
52.7 Wayne (NS/CFW&E crossing)
57.3 Valparaiso
59.1 Lincoln
64.3 Haskells
71.1 Wellsboro (CSX crossing)
74.9 Kingsbury
80.2 Stillwell (CSS&SB crossing)
84.6 Mill Creek
91.6 Crumstown
95.5 Flower
97.5 Vandalia Jct.
99.2 Olivers Jct.
99.5 South Bend (junction-NS)
103.9 Mishawaka
105.1 McKinley
111.4 Granger
113.7 Edwardsburg
118.6 Jefferson
122.9 Cassopolis
128.9 Penn
131.5 Wakelee
135.9 Marcellus
140.3 Chamberlains
146.8 Schoolcraft (NS crossing)
150.2 Harborlite
153.7 Vicksburg
157.4 Pavilion
160.1 Scotts
164.8 Max
165.0 Climax
168.2 Renton
172.0 Airport
175.5 Gord (junction-Amtrak)
2 tracks, CTC in use. 1 track Sedley to Valparaiso, and Penn to Schoolcraft.
CN Dispatcher Desk #10 located in Homewood IL.