RAILROAD SIGNALS of the U.S.
SIGNAL ASPECTS 1998
From Southern Pacific Lines Timetable #1, dated April 14, 1998.
This chart shows what happens when a railroad inherits a bunch of railroads into it's system, and has to deal with the many, many different signal aspects of the former roads. One look at the aspects for the restricting rule 9.1.12 illustrates what I'm talking about!
Click here for the PDF version.
Last Updated: 01/19/2010