# JMRI: Southern Pacific 1960 Signaling Definition

This directory contains signaling definitions corresponding to the 1960 Southern Pacific Transportation Company rules as described in the "Rules and Regulations of the Transportation Department" booklet.

The Southern Pacific Historical And Technical Society (SPHTS) put a copy of this rulebook online.

See the aspect page.

Signal Mast definitions:

- Double searchlight high with flashing marker
- Double searchlight high absolute signal
- Single searchlight high with flashing marker
- Single searchlight high absolute signal
- Single searchlight high permissive signal
- Double searchlight dwarf absolute signal
- Single searchlight dwarf signal
- Single searchlight dwarf signal with plate D
- Single searchlight dwarf signal with triangular plate