centralized traffic control
21Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… …
22Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right …
23Token (railway signalling) — A token being offered by a signalman on the Keighley and Worth Valley Railway …
24Application of railway signals — Semaphore stop signals protecting the convergence of two tracks into one The application of railway signals on a rail layout is determined by various factors, principally the location of points of potential conflict, as well as the speed and… …
25MBTA Commuter Rail — COMMUTER RAIL MBTA Commuter Rail provides commuter service from Boston as far north as Newburyport, as far south as Warwick, and as far west a …
26Railway switching networks — General PurposeRailway centralization is designed for controlling all the switches and signals within a railway station or its area. Control of the system is exercised from a single point. Rail circuits work as sensors (monitoring the traffic on… …
27New York Central Railroad — New York Central system as of 1918 Reporting mark NYC …
28Feather River Route — The Feather River Route is a rail line that was built and operated by the Western Pacific Railroad. It was constructed between 1906 and 1909, and connects the cities of Oakland, California, and Salt Lake City, Utah. The line was built to compete… …
29Passing loop — Trains in a passing loop A passing loop (also called a passing siding, crossing loop, crossing place or, colloquially, a hole) is a place on a single line railway or tramway, often located at a station, where trains or trams in opposing… …
30Order of Railroad Telegraphers — The Order of Railroad Telegraphers (ORT) was a United States labor union established in the late nineteenth century to promote the interests of telegraph operators working for the railroads. Contents 1 Background and Early History 2 Increased… …
