Dale Desser, of Erie, doesn't want visitors to simply watch his spectacular model railroad. He invites people to operate it.

French transport and energy infrastructure group Alstom has unveiled a life-sized model of Citadis Compact tram for Greater Avignon.

The Dutch model of packed urban centers sprinkled across a largely otherwise empty countryside allowed planners to create a system of so-called mobility hubs, merging transport options like busses, ...