On a recent trip to Stockholm I spotted this door with a difference (see the picture below). A toilet door, where the direction the door opens is marked on the floor. The design, elegance and benefits are so obvious. And yet in all these years this idea never crossed my mind. Good design is always obvious.
The dotted border serves so many different purposes below are the top 3
Simple design features like these go a long way to avoid numerous problems and keep passengers safe.
Well done to Arlanda Airport and the designer.