sentences:  In the Faroe Islands, the inter-island road tunnels Vágatunnilin and Norðoyatunnilin both have tolls (but no physical toll booths are present and the toll must be paid at nearby petrol stations).In Europe, the most substantial use of toll roads is in France, where most of the autoroutes carry quite heavy tolls.In a number of countries the companies have often fallen in and out of the public sector, and many have had financial problems.