Complex sentence: But only 6 years later, the building was sold for a transportation center project that never materialized and on January 6,1988, the last Amtrak train pulled away from the station after it was decided to close the facility.
Split into simpler sentences: But only 6 years later, the building was sold for a transportation center project that never materialized. Then, on January 6,1988, the last Amtrak train pulled away from the station after it was decided to close the facility.