In most rulebooks, they will state that a train passing a signal has to maintain the speed indicated by that signal until the rear of the train has passed that signal. The same generally applies for …

Prior to 1900, signal styles were a lot more individualistic, and could vary widely from railroad to railroad. More and more today, the American signal scene is finding color light signals, where …

More picture's are here and here, including a CPL signal on the NEC made from Pennsy PL signal parts.

The simple three color light signal can be roughly interpreted the same as a standard auto traffic light: Green -- go, yellow -- slow down, and red -- stop. It’s the definition of railroad signals that …

Almost all signals in Canada pre-1990 are single-lens searchlight signals and normally you'd find signals arranged as one, two or three aspects (heads) mounted on a single mast. CROR …

The Pennsylvania Railroad made extensive use of cab signals. Cab signals did not always show exactly what the wayside signals displayed. The chart above shows what wayside signal …

1929 - Color light signals made their first appearance in the CNW rulebook, but were arranged horizontally instead of in the more familiar vertical fashion we are accustomed to today (the …

Because our country was so huge compared to most in the 1800's, and every little little railroad had their own idea as to what they should do and how they would do it, we had a huge variety …

Oct 12, 2006 · Colorlight signals make up the bulk of railroad signals today, and probably every new installation is done with them. Most of the class 1 railroads have been in the process of …

Oct 2, 2015 · RAILROAD SIGNALS of the U.S. This signal was replaced by color lights in late 2012. B&O COLOR POSITION LIGHT (CPL) SIGNALS . For Starters Signal Variations Signal …