"They're starting to see themselves as all-purpose transportation centers - so-called intermodal hubs - where national, regional or metro rail, local buses, rental cars, taxis and shuttle operations are consolidated.
Some, such as those in Miami and Providence, are building them. Others are seriously considering it. The goal is to not only give travelers greater access to and from airport terminals, but to make the airport a central station where people go for a variety of choices in ground transportation."
Airport industry officials are reportedly watching the Miami and Providence projects to see how successful they are. These projects could become models for future multimodal hubs at other airports.