A series of murals asks rail commuters to "think about this space that they hurtle through every day."
They cost more, and they aren't necessarily any safer.
Philadelphia officials want to combat such painful examples of "distracted walking."
Virtual supermarkets may be coming soon to a transit station near you.
Just in time for Valentine's Day, the Philadelphia transit agency is asking couples who met on board to share their stories.
Commercialism is only one of many reasons for cities not to sell out their stops