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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 angle
Railways; Railroad
Angle formed by intersecting gauge lines of the rails, or by tangents to the gauge lines at their point of intersection when the frog is curved.
Tie-plate fastener
Railways; Railroad
A special tie-plate long enough to support the bases of a guard rail and the adjacent running rail and with a rail brace riveted to it for supporting the guard rail.
Frog number
Railways; Railroad
One-half the cotangent of one-half the frog angle, or the number of units of centerline length in which the spread is one unit. The rate of spread of the gauge lines at the frog. The number of units ...