1 - HAMMOND-INDIANA HARBOR-YOUNGSTOWN STEEL (blue)
2 - HESSVILLE-HAMMOND-INDIANA HARBOR-INLAND STEEL (red)
2A - HAMMOND-HESSVILLE-INLAND STEEL (red/dashed) - shift changes only
2B - HAMMOND-YOUNGSTOWN STEEL (red/dashed) - shift changes only
3 - 63RD ST CHICAGO-GARY (orange)
3L - LOOP-INDIANA HARBOR (orange/not shown in Illinois) - rush only
4A - EAST CHICAGO-WOODMAR (green) - rush east to Gary (green/dashed)
4B - WHITING-EAST CHICAGO-MUNSTER (green)
4L - EAST CHICAGO-LOOP (green/dashed)
5 - WHITING-LANSING (yellow)
5B - WHITING-GRIFFITH (yellow)
6 - HAMMOND-EAST CHICAGO-INLAND STEEL (brown/dashed)
6L - GRIFFITH-LOOP (brown/dashed)
8 - HAMMOND-CALUMET CITY (purple)
9A - HIGHLAND-INDIANA HARBOR-INLAND STEEL (gray/dashed)
9B - HAMMOND-YOUNGSTOWN STEEL (gray/dashed)
When there were attempts by the public sector to provide bus systems in this area, there was little resemblance between them and the Chicago & Calumet District Transit Co. bus system. Hammond and East Chicago were left without transit service for several years in the 1970's, and Hammond has generally been unsupportive in maintaining public transportation.
Dashed lines indicate rush hour only routes, primarily serving various industries in the area, along with routes providing commuter service into downtown Chicago.