April 2022) A branch line is a secondary railway line which branches off a more important through route, usually a main line. A very short branch line may be called a spur line.
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Smaller railroads like these are called short line railroads, and they play an important role in the U.S. freight shipping network.
This involves the layout of three main track types: tangent track (straight line), curved track, and track transition curve (also called transition spiral or spiral) which connects between a tangent and a curved track.
A railroad track is mainly composed of rails, railroad ties (sleepers), fasteners, railway switch, ballast, subgrade. The components of railway track play different roles in providing support for trains. The track structure is built for rolling stock to roll upon safely and smoothly.
Monorails are single-rail systems often found in airport transfers and medium-capacity metros. Monorails differ from trams and light rail systems by always being separated from other traffic and pedestrians, and they do not use pantographs.
Speed is suggested in such names as Cannonball, Hot Shot, Blue Streak, Bullet, Comet, Rocket, Meteor, Thunderbolt and Flash. Many trains are named for animals, such, for instance, as Man o' War, Black Cat, Yellow Dog, Bulldog, Badger and Bison.