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Railways

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

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Railways > Railroad

forms

Railways; Railroad

(Form Work, Lagging, Shuttering). The wooden or metal construction, providing means for receiving, molding and sustaining in position the plastic mass of concrete placed therein ...

tie rod

Railways; Railroad

See Gage rod.

four aspect

Railways; Railroad

A colour light using four lights. From top to bottom the lights are yellow, green, yellow, and red. A red indication means that the next section contains a train. A single yellow ...

tie spacing

Railways; Railroad

The distances between tie centers in track or turnout.

fracture

Railways; Railroad

A progressive transverse fracture originating in the head of a rail.

tie tamper

Railways; Railroad

See Ballast tamper.

freelance

Railways; Railroad

A model not based on any particular prototype. May incorporate features from several different prototypes.