The Seaboard System Railroad, Inc. was a US Class I railroad that operated from 1982 to 1986.
A Seaboard freight train crosses the James River at Richmond, Virginia, in October 1985.
Seaboard Coast Line Railroad
The Seaboard Coast Line Railroad was a Class I railroad company operating in the Southeastern United States beginning in 1967. Its passenger operations were taken over by Amtrak in 1971. Eventually, the railroad was merged with its affiliate lines to create the Seaboard System in 1983.
Former Seaboard Coast Line Railroad class M-6 caboose on display at the Mulberry Phosphate Museum in Mulberry, Florida