RAILROAD SIGNALS of the U.S.
SEABOARD
SYSTEM
SIGNAL ASPECTS 1989
From CSX rulebook April 1, 1989
This section covers the signal aspects of the former Seaboard System railroads, and is the first section of two in the 1989 CSX rulebook.
Below my chart of the aspects are the scans from the rulebook.
This is also available in PDF format

The rulebook scans are available in
PDF
format
Caution, it's around a 10 meg file!
NEW 1-9-2010
Last
Modified 10-Jan-2010