E Ink's DSE 2015 booth showcasing the possibilities of using electronic paper screens as digital signs — anywhere from waiting at the train stop to interactive traffic signs. (visionect.com)
Following in the footsteps of London, Orlando, Pittsburgh and Ljubljana, Singapore can now help its ridership through real - time arrival information displayed on electronic paper screens installed at select bus stops across the city state. (visionect.com)
Given the inherent limitations of electronic paper screens (slow refresh rate, greyscale, no backlight and so forth) I'd not actually recommend this unless needs must. (theregister.co.uk)