Between Joliet and Mazonia, trains formerly had a second route available. That route involved the Pequot Subdivision route to the west, via Coal City. But the connection at Pequot was broken in 2008.
Radio Frequency - 161.280 (AAR Channel 78) (UP)
36.7 Jackson St.
37.3 UD Tower (crossing-remote-Metra dispatcher)
38.5 South Joliet
62.6 Mazonia (junction-UP)
72.8 Dwight (NS crossing)
102.3 Chenoa (TP&W crossing)
121.5 North End 2 Tracks
126.0 Bloomington Yard
126.5 BNSF Target (NS crossing)
Joliet to Bloomington: 1 track, CTC in use. Some segments of 2 tracks.
Significant changes are under way in Joliet, as the station is reconfigured. In May 2015, UD Tower was closed, with control transferred to the Metra dispatcher.
This line is being upgraded for high speed operation, resulting in some changes.
Classic Track Diagrams
Track diagram as the line existed around 1975, when sidings existed between Joliet and Mazonia. CTC was installed between Chicago and Joliet around 2000.