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

Thimble

Railways; Railroad

The cylindrical pieces of an insulating joint which surround portions of the bolts.

Third rail

Railways; Railroad

An electric conductor located alongside the running rail from which power is collected by means of a sliding contact shoe attached to the truck of electric equipment.

Flange

Railways; Railroad

1. A projecting edge, rib or rim on any object such as the base of a rail on the top and bottom horizontal parts of a beam or girder. 2. On a car wheel, the inside rim which projects below the tread.

Three aspect

Railways; Railroad

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

Throat of frog

Railways; Railroad

The point at which the converging wings of a frog are closest together just ahead of frog point.

A form of plough for clearing ice and snow from the inside of rails to provide a clear passage for wheel flanges. Sometimes placed under a special car called a flanger car, but usually carried under ...

Through span bridge

Railways; Railroad

A bridge in which the track is carried between girder or trusses. Girder and pony truss bridges (trusses without overhead braces) are called half-through spans; truss bridges with overhead bracing ...