interlocking signal tower

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• Signal box — A signal box or signal cabin is a building from which railway signals and points are controlled. The term signal cabin is used in Ireland, parts of Scotland and in Australia while in North America, the term interlocking tower predominates.… …   Wikipedia

• Interlocking — In railway signaling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such as junctions or crossings. The signaling appliances and tracks are sometimes collectively… …   Wikipedia

• Railway 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… …   Wikipedia

• Railway semaphore signal — One of the earliest forms of fixed railway signal is the semaphore. These signals display their different indications to train drivers by changing the angle of inclination of a pivoted arm . Semaphore signals were patented in the early 1840s by… …   Wikipedia

• Automatic Block Signal — Basic Automatic Block Signals = Automatic Block Signal, or ABS, systems consist of a series of signals that govern blocks of track between the signals. The signals are automatically activated by the conditions of the block beyond the signal.… …   Wikipedia

• Control tower — The 109 meter tall control tower of Vienna International Airport, Austria. Inside the control tower at Misawa Air Base, Japan …   Wikipedia

• Lackawanna Cut-Off — The westbound Lackawanna Limited comes off the Pequest Fill shortly after the opening of the Lackawanna Cut Off. Taken from the signal tower at the east end of Greendell Siding, this early 1912 photo was used as a template for a Phoebe Snow… …   Wikipedia

• The Great Train Wreck of 1918 — Infobox rail accident title=Great Train Wreck of 1918 date=July 9, 1918 7:20 a.m. location=Nashville, Tennessee, United States coordinates=coord|36|07|46|N|86|50|53|W| line =Nashville, Chattanooga and St. Louis Railroad cause= trains= pax= deaths …   Wikipedia

• Great Train Wreck of 1918 — Details Date July 9, 1918 Time 7:20 am Location Nashville, Tennessee Country …   Wikipedia

• Bell Rock Lighthouse — Infobox lighthouse|name= Bell Rock Lighthouse location= Inchcape, offshore from Arbroath, Scotland caption= coordinates = coord|56.4342| 2.3873|region:GB type:landmark|display=inline,title yearbuilt=1807 1810 yearlit= 1811 elevation=28 m… …   Wikipedia

• Union (TTC) — Infobox TTC station station=Union Station address=55 Front Street West opened=March 30, 1954 (Yonge University Spadina line) June 22, 1990 (509 Harbourfront LRT) July 27, 1997 (510 Spadina LRT) district=Old Toronto line=Yonge University Spadina… …   Wikipedia