Chessie Seaboard Merger - Friends of CSX

CSX Merger History: Key Dates You Didn’t Know

Posted on April 30, 2025May 5, 2025 by SEAtkinson

November 1, 1980. What you may know about this date in CSX history may be misleading and even wrong. The slow merger manner of Chessie System and Seaboard Coast Line into CSX Corporation took two years. It didn’t all happen on November 1, 1980!