# JMRI: AAR-1946 Signaling Definition

This directory contains signaling definitions corresponding to the 1946 AAR rules as described in the August 1946 version of the AAR publication "American Railway Signaling Principles and Practices", chapter II.

See the aspect page.

Signal Mast definitions:

- Triple searchlight high signal
- Double searchlight high absolute signal
- Double searchlight high permissive signal
- Single searchlight high absolute signal
- Single searchlight high permissive signal
- Double searchlight dwarf signal
- Single searchlight dwarf signal
- Single position light high absolute signal
- Single position light high permissive signal
- Double position light high signal
- Single position light dwarf signal
- Color position light signal