 Service out of Joliet was hourly with alternating trains west of Spring Valley terminating at Princeton and Ladd, plus two-hour service to Streator.The first abandonment along the Illinois Valley Division ("Iv-Div") was the branch from Spring Valley to Ladd, which was abandoned in 1924.In 1929 the Streator branch was abandoned and the west end of the main line was cut back to Depue.