Raja Krishnamoorthi greeted commuters at the Metra station in Schaumburg and will be in Hoffman Estates later Monday.
Krishnamoorthi is facing competition from fellow Democrat Tammy Duckworth. She was also out Monday morning, meeting and greeting commuters at a Metra station in Hanover Park.
Both Duckworth and Krishnamoorthi hope to win the seat currently held by Republican Joe Walsh.