Railroad

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.

Industry: Railways

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Railroad

Interlocking

Railways; Railroad

An arrangement of signals, switch lock, and signal appliances so interconnected that their movements succeed each other in a predetermined order. It may be operated manually or automatically.

Uncoupling ramp

Railways; Railroad

A ramp fitted under or between the rails on a model to facilitate the remote uncoupling of rolling stock. It has no prototype equivalent except where used in hump shunting yards.

Island layout

Railways; Railroad

A layout having an access way all around the outside of it. A layout which is not adjacent to a wall.

Upper quadrant

Railways; Railroad

A semaphore signal which raises its arm to indicate that the line ahead is clear.

Island platform

Railways; Railroad

A platform having tracks running on both sides of it.

Vee

Railways; Railroad

The part of the "frog" of a turnout upon which the train wheels will run. The part of a turnout where the inside running rails come together.

Isolating section

Railways; Railroad

A short section of track fed by a switch or pushbutton from an adjacent track section. May also be fed by a diode so as to only permit travel in one direction.