Metra Rock Island
Rock Island is a Metra line from Joliet to Chicago via Blue Island. Service runs all day on weekdays and weekends. This line has a branch between Gresham and Blue Island stations. Most local trains on the branch start and end trip at Blue Island. Most trains to/from Joliet bypass the branch. Rock Island is the only Metra route that serves LaSalle Street Station.
It runs on a primarily two track corridor. On the main line from Joliet, inbound trains operate on the south track (platform 1) and outbound trains on the north track. In the afternoon (after approximately 2:30pm), outbound trains operate on the the south track and inbound on the north.
Train number with even numbers indicate inbound trains to Chicago, and odd numbers indicate outbound trains.