This page is intended to be home to personal accounts of operating aspects of the Pennsylvania Railroad, with an emphasis on towers and signals.
Overview:
Translating Interlocking Chart Symbols to Lineside Signals.
PRR Position Light Signal System - By the Philadelphia Chapter of the Pennsylvania Railroad Technical & Historical Society.
Pennsylvania Railroad Signal Drawing Symbols - Based on PRR Document S-601-A, 1935 - By Henry J. Sundermeyer.
Pennsylvania Railroad Position Light Signal Rules - Based on 1956 Book of Rules - Excellent Java app that demonstrates rules vs. signal aspects. By Henry J. Sundermeyer.
NORAC Signal Aspects Chart - Dated 1993, but still is a reference for Pennsy PL signal aspects!
MORGAN RUN, Coshocton, Oh.
Description of Operations - By Sid Johnson.
STATE, Harrisburg, Pa.
Photo Tour - January 2003.
Copyright 1996 - 2010
Last modified: December 26 2009.
Keystone Crossings has served 5643677 pages since June 1, 1997.
