secrecy

Jose Lopez head of Cintra in North America more than once has explained in his accented but very clear english his company's approach to bidding for toll concessions: "We study very hard, we examine every aspect, we bring in our experts, sometimes other experts, we do traffic and revenue studies, not just one sometimes we get another. We think about the risks, we look at the costs, what will it cost us to borrow, what is the rate of return our shareholders expect.

"We do lots of due diligence.