Editing Route number (section)

====Spain A, AP, N system====
{{Main|Highways in Spain|List of national roads in Spain}}
* A, followed by one or two digits, stands for "[[autovía]]" ([[dual carriageway]]).
** If followed by three or four digits, it is road owned by a [[Autonomous communities of Spain|regional government]], usually [[Andalusia]] or [[Aragon]], and may or may not be a divided highway.
* AP stands for "autopista de peaje" ([[Toll road|toll]] [[motorway]])
* N stands for "nacional" (national), single carriageway road owned by the [[Government of Spain|national Government]]. National roads 1 to 6 are radial roads linking Madrid with major cities or borders with France and Portugal. All other roads are numbered with three digits.

Other letters refer to the code of the [[Autonomous communities of Spain|region]] or city that is served by the road. See for example [[Autopista de Circunvalación M-30|M-30]], with M standing for [[Madrid]].