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

Frog rigid bolted

Railways; Railroad

A frog built entirely of rolled rails, with fillers between rails, and rigidly held together with bolts.

Frozen joint

Railways; Railroad

A joint so tight that the rails cannot move as temperature varies.

Toe spread

Railways; Railroad

The distance between gauge lines at the toe end of the frog.

A pyrotechnic signalling device carried by train crews and track workers. When ignited it burns with a red light for a short period of time. A fusee may be dropped from the rear of a train to warn ...

Tolerance

Railways; Railroad

An allowance made for a small variation from dimensions specified.

Gauge line

Railways; Railroad

A line five-eighths inch below the running surface of a rail on the side of the head nearest the track center; the line from which measurements of gauge are made.