Worldwide Examples | London | Miami | Denver | Toronto | Paris | Frankfurt | Amsterdam | Dusseldorf

Dusseldorf Airport is an excellent model for O'Hare.

A global city needs a fast, frequent and dependable rail link from the international airport to the city center. The most competitive cities go further, and integrate their entire regional air and rail networks, drawing on the power of millions more people.

Global cities like London, Tokyo, Paris, Hong Kong and Frankfurt have become more competitive with improved air-rail connectivity. Here we present some of the best examples Chicago could follow.