I have noticed that even in some high traffic intersections, whenever a bus is waiting at red, other lights turn red, only the bus light turns green, and after the bus passes, bus light turns red and other lights continue as usual. Some intersections have cameras that I figure can understand if a bus is waiting, but not all intersections have cameras so I was wondering, if this is gps based system, or the bus driver pressing a button to turn the respective light green. submitted by /u/devoutre
Originally posted by u/devoutre on r/Switzerland
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