These series are cover the various suburban commuter lines radiating from downtown Chicago.
On each page, you will see descriptions such as this:
001 South CP Canal
- 001 is an arbitrary number to keep the photos in order.
- South indicates the photo is looking in the southbound direction.
- CP Canal is the name of the interlocking. Intermediate signals are identified by their number rather than a name.
Union Station towards Antioch
Ogilvie towards Harvard
Union Station to Aurora
Union Station to Joliet (Heritage Corridor)
LaSalle Street Station towards Joliet (Rock Island District)
Beverly Branch (Rock Island District)
Union Station towards Manhattan