Complex sentence: It is the main area for Galesburg Railroad Days when it runs during the last weekend of June as bus tours of the rail yards originate from here and a GE Dash-9 locomotive is put on a side track for visitors to look at.
Split into simpler sentences: It is the main area for Galesburg Railroad Days when it runs during the last weekend of June as bus tours of the rail yards originate from here. A GE Dash-9 locomotive is also put on a side track for visitors to look at.