Complex sentence: These locomotives continued in freight service on CSS&SB until 1983, making them the last electric locomotives in regular freight service in the U.S. No.803, is preserved in operating condition at the Illinois Railway Museum.
Split into simpler sentences: These locomotives continued in freight service on the South Shore until 1983, making them the last electric locomotives in regular freight service in the United States. One, number 803, is preserved in running condition at the Illinois Railway Museum.