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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

Block signal

Railways; Railroad

A fixed signal at the entrance to a block, to govern trains and engines entering and using the block.

Riprap

Railways; Railroad

Brickbats, stones, blocks or concrete or other protective covering material of like nature deposited upon river and stream beds and banks, lake tidal or other shores to prevent erosion and scour by ...

Block station

Railways; Railroad

A place at which block signals are located and from where they may be operated.

Roadbed

Railways; Railroad

The finished surface of roadway upon which track and ballast rest.

Block system, automatic

Railways; Railroad

A series of consecutive blocks governed by block signals actuated by a train or engine or by certain conditions affecting the use of the block.

Block system, manual

Railways; Railroad

A series of consecutive blocks, governed by block signals.

Roadbed shoulder

Railways; Railroad

The portion of subgrade lying between the ballast-covered portion and the ditch in cuts, and the top of slope on embankments.

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