He said it would also alleviate traffic on the ring road and provide a new traffic hub outside of the railway station.

BBC: Link road 'needed' for Hereford regeneration

The plan backed by the London mayor has been developed into proposals for a five or six-runway hub, linked to Ebbsfleet station, called the London Jubilee International Airport.

BBC: Manston Airport

Included along with the arena project was the expensive construction of Penn Station, the city's major train hub.

FORBES: Magazine Article

Meanwhile, on the other end of the development spectrum, Sony previewed its next generation gaming station, the PS4, and presented it as their own central hub for all things digital, presenting a new approach that includes social media, game streaming, video streaming and second screen experiences all wrapped into one convenient package.

FORBES: Converging screens