What is a train coupler called?
What is a train coupler called? Janney couplers are a semi-automatic form of railway coupling that allow rail cars and locomotives to be securely linked together without rail workers having to get between the vehicles.
Why is a train called a tram?
If you've been on a streetcar in San Francisco or a trolley in Philadelphia, you've ridden a tram. The word tram was originally a Scottish term for the wagons that are used in coal mines, stemming from a Middle Flemish word meaning rung or handle of a barrow.
Why do train drivers wave at each other?
Over-fatigued drivers and utility workers present a hazard. Waving means you're at least half awake and alert enough to notice a fellow laborer and therefore respond safely if something unexpected happens.