# JMRI: CCOR-1967 Signaling Definition

This directory contains signaling definitions corresponding to the Consolidated Code of Operating Rules, Edition of 1967. Pages 53-55 BLOCK AND INTERLOCKING SIGNALS (Except on Burlington Lines, Northern Pacific Ry., and S.P. & S. Ry.)

See the aspect page.

Signal Mast definitions:

- Single head dwarf signal
- Single head absolute signal
- Single head permissive signal
- Two-head dwarf signal
- Two-head absolute signal
- Two-head absolute signal without middle arm
- Two-head permissive signal
- Three-head absolute signal