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Articulated trams, were invented and first used by the Boston Elevated Railway in 1912–13. [2] This was instead of using trailers or multiple units, which had been attempted in the early 1900s. The articulated design allows passengers (and fare inspectors) to move the entire length of the vehicle, whether stopped or in motion.
Articulated passenger cars are becoming increasingly common in Europe and the US. The passageways between the car elements are permanently attached. There is a safety benefit claimed that if the train derails, it is less likely to jackknife and modern construction techniques prevent telescoping. Articulated cars are not, however, a new idea.
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Articulated tram GT3 in Bremen Type F in Vienna. In 1928 an experimental tram was constructed in Görlitz and then put into service in Dresden until the mid-1960s. This car was numbered 2501 and had three sections: the center section had four fixed wheels, both end sections had each only one adjustable axle. [4]
A less common variant of the articulated bus is the bi-articulated bus, where the vehicle has two trailer sections rather than one. Such vehicles have a capacity of around 200 people, and a length of about 25 m (82 ft); as such, they are used almost exclusively on high-capacity, high-frequency arterial routes and on bus rapid transit services.
Tracked articulated vehicles typically steer by actuating the linkage connecting the cars of an articulated tracked vehicle. This linkage, called the train joint, uses hydraulic actuators [ 1 ] to position the front vehicle in an opposing direction to the rear one, and curves the direction of travel this way. [ 2 ]
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Articulated trams are made up of multiple body sections, connected by flexible joints, as seen in Toronto.. Articulated trams, invented and first used by the Boston Elevated Railway in 1912–13 [1] at a total length of about twelve meters long (40 ft) for each pioneering example of twin-section articulated tram car, have two or more body sections, connected by flexible joints and a round ...