Railways

Railways

The means of conveyance of passengers and goods by way of wheeled vehicles running on rail tracks.

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Railways > Railroad

track level

Railways; Railroad

A board with a spirit level attached, to level the rails of a track usually equipped with a series of steps to set superelevation on the outside rail of curves.

grade

Railways; Railroad

Rate of rise or fall of the grade line, expressed as a percentage of length; feet of rise or fall per 100 feet of length. Also, gradient. A steady rise or fall of one foot per 100 ...

track liner

Railways; Railroad

A device designed to minimize manual labor in lining track. It consists generally of a base resting securely on the roadbed to act as a fulcrum for some form of lever arm.

grade crossing

Railways; Railroad

See Crossing, grade.

track plan

Railways; Railroad

A diagram showing the arrangement of tracks on a layout. It can be either a to-scale drawing or a schematic diagram.

grade line

Railways; Railroad

1. The line of a profile representing top-of-rail elevations of track. 2 A series of staked elevations transferring this line to the ground or roadbed.