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Most Spanish toll roads are networked, so you must get a ticket on entering and pay when leaving the road. Technically, all roads belong to the Government, although toll roads are built and maintained by private companies under a State concession; when the concession expires, the road is reverted to State ownership, however most of then are renewed. Toll roads are called in Spanish "autopistas". Freeways, often comparable to "autopistas" in building and ride quality, are called " autovías".