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Railroad

A railroad is a means of wheeled transportation for moving people and goods. Railroads are tracks on which trains can tow cars behind an engine.

Contributors in Railroad

Railroad

stringlining

Railways; Railroad

A method for determining the corrections to be made in the alignment of a curve, by measuring ordinates to the outer rail and without the use of surveying instruments.

diesel locomotive

Railways; Railroad

A locomotive powered by a diesel engine. The variations diesel mechanical, diesel hydraulic, and diesel electric refer to the method used to connect the diesel engine to the wheels.

subballast

Railways; Railroad

Any material of superior character, which can be spread on the finished subgrade of the roadbed, to provide better drainage, prevent upheaval by frost and better distribute the load over the roadbed.

diode matrix

Railways; Railroad

A circuit using diodes that permits route setting of points to be done by selecting one circuit instead of requiring each point to be set separately.

distant signal

Railways; Railroad

A signal giving an advanced warning of what the next signal is showing. It has no stop indication.

subgrade

Railways; Railroad

Gravel, crushed rock or the like, usually inferior to the ballast used in the track, spread on the surface of the cut or fill prior to distributing ties and ballast. That portion of ballast over 18" ...

dog bone

Railways; Railroad

A continuous run layout where the two sides of the circle have been "squeezed" together so as to simulate double track. A train running on this type of layout will appear to be running backwards and ...

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