En l'occurrence, il s'agit de projets pilotes qui vont durer 20, 30 ou 40 ans, car ils devront être assez durables pour justifier l'investissement dans l'infrastructure que les administrations des ponts vont devoir consentir.
In these instances, we are looking at putting pilots in place that will last probably 20, 30 or 40 years, because we need to put them in place long enough that there is a payback for the investment in the infrastructure that the bridge corporations will need to put in place.