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A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.
A simple wye Countryside wye near Lüderitz, Namibia. In railroad structures and rail terminology, a wye (like the 'Y' glyph) or triangular junction (often shortened to just triangle) is a triangular joining arrangement of three rail lines with a railroad switch (set of points) at each corner connecting to the incoming lines.
The goods siding on a double line (in the above diagram) uses two trailing points and a diamond. It can be shunted by trains in either direction. This was widely done in New South Wales, though later on the diamond crossing was replaced with a pair of ladder crossovers; such as: Bredalabane (S) Jerrawa (S) Woy Woy (N) Newbridge (W)
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CTC automatic block signals along the Union Pacific Railroad Yuma Subdivision, Coachella, California. CTC makes use of railway signals to convey the dispatcher's instructions to the trains. These take the form of routing decisions at controlled points that authorize a train to proceed or stop.
Broadly speaking, reciprocal switching occurs when a shipper has access to one freight railroad but wants access to use a nearby competin The Itch To Switch: Railroad Swapping In Canada Vs. The US
That the line ahead is clear (free of any obstruction) or blocked; That the driver has permission to proceed; That points (also called switch or turnout in the US) are set correctly; Which way points are set; The speed the train may travel; The state of the next signal; That the train orders are to be picked up by the crew
A grand union is a rail track junction where two double-track railway or tramway lines cross at grade, often in a street intersection or crossroads.A total of sixteen railroad switches (sets of points) allow streetcars (or in rarer installations, trains) coming from any direction to take any of the three other directions.