Beneath the veneer of its squeaky-clean streets, super-efficient tram systems, rigorous banking principles and holier-than-thou Alpine churches lies a somewhat stranger city that is ready to surprise at every turn.

BBC: The stranger side of Switzerland

Investors also stand to profit from PPPs -- that's why they invest in the first place -- so it's in their interest to attract motorists through efficient operation, rigorous safety standards, and fast, thorough repairs.

CNN: Road tax alternative: Pay for each mile you drive