Transducer direction

Not a particle accelerator, and is just a bridge.





Lotus Bridge Bridge connects Macao with the rest of China, and in the process change the left-hand drive cars (Macau) at the right-hand (China) without stopping.



On the border of China and Hong Kong is implemented slightly differently (Lok Ma Chau bridge):



The concept for the same places:



It is interesting that in Russia there is something like that - in the Volgograd high-speed tram. In the early parts of the tunnels underground tram interchange. This is due to the fact that at the time of construction of the trams were just the right doors, and stations such as the island had to organize a drive on the left.



Before going out on the surface of the tunnels are swapped back.

Source: 1, 2 , 3, 4 .

Source: geektimes.ru/post/249220/