Turntables in North America
Due to the asymmetric design of many locomotives, turntables still in use are more common in North America than in Europe, where locomotive design favors configurations with a controller cabin on both ends or in the middle. In San Francisco, USA, the Powell cable car line uses turntables at the end of the routes, since the cable cars have operating controls at only one end of the car.
Read more about this topic: Railway Turntable
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