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A one-way, low-speed (OWLS) diamond in Champaign, Illinois.This is an example of flange-bearing frogs in use on North American freight rail lines. A flange-bearing frog, often abbreviated FBF, is a type of frog in which the flange of the wheel on a railway vehicle supports the weight of the vehicle.
A swingnose crossing or moveable point frog is a device used at a railroad switch to eliminate the gap at the common crossing (a.k.a. frog) which can cause damage and noise. Fixed crossing [ edit ]
The agency which oversees rail operation regulations and safety requirements for U.S. freight, passenger and commuter rail operations [104] Filet Converting a double-stack container train to single stack by removing the top layer of containers, allowing the rest of the train to proceed along track that lacks double stack clearance.
A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.
The frog, a component of a railway switch, lent its name to a series of battles for railroad dominance in the 19th century.. A frog war occurs when one private railway company attempts to cross the tracks of another, and this results in hostilities between the two railways.
Rail transport terms are a form of technical terminology applied to railways. Although many terms are uniform across different nations and companies, they are by no means universal, with differences often originating from parallel development of rail transport systems in different parts of the world, and in the national origins of the engineers and managers who built the inaugural rail ...
Gauntlet tracks can be used to provide horizontal clearance to a fixed obstruction adjacent to a track such as a cutting, bridge, or tunnel.Frog gauntlets are also commonly used when a rail line's capacity is increased by the provision of an additional track, but cost or other factors prevent the widening of the bridges.
Colton Crossing is a railway crossing situated in Colton, California, directly south of Interstate 10.It is where the Sunset Route and the Southern Transcon intersect.. First built in 1883, it was the site of one of the most intense frog wars in railroad construction history, leading to a personal confrontation between famed lawman Virgil Earp and California Governor Robert Waterman.