I understand that some toll roads charge more during rush hour. It's not as sensitive a mechanism as Fred suggested, but it's not bad. Fabio
> I was looking for, but such a system would be hard to implement. Can you > think of an existing analogous system in a similar market? > Would there be a bound to the charge per time? The parking spaces would be > more attractive if they offered some sort of guarantee. > > Gustavo >
