Longer distance local train. Interurban local train. A reservation is necessary to travel on any train other than Regional Expr s or Cercan as. At most main stations access to platforms used by long-distance trains is only possible upon production of a valid reservation. At busy times trains may become fully-booked days in advance and standing passengers are not admitted.
Fares vary according to the type of train and time of travel.
Usually fares are more expensive at busy times, but on Madrid cercan as services fares are higher at weekends. On certain long-distance trains passes such as Eurodomino and InterRail may only provide a discounted fare. It is always necessary for pass-holders to pay reservation fees, because these include compulsory travel insurance. Reservations can be made at main stations. Although the system is quite efficient, long queues can develop at the busier stations and it is often necessary to obtain a 'queue ticket'.