of residence, although a discount was granted on journeys to or from the border. On 1 January 2016, the pass became valid for two free journeys in the traveller's country of residence: one to and one from the border. The limit exists to prevent people from using Interrail for work commuting and business travel. Validity The Interrail Global Pass has the following validity options: 4 days within one month 5 days within one month 7 days within one month 10 days within two months 15 days within two months 15 days 22 days 1 month 2 months 3 months Interrail One Country Pass The One Country Pass allows unlimited travel on the rail network of one country, with unlimited journeys on each travel day. One-country passes are available for three, four, five, six, or eight travel days within one month for each of the following countries: Austria, Benelux, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Great Britain, Greece, Greek Islands, Hungary, Ireland (Republic of Ireland and Northern Ireland), Italy, Latvia, Lithuania, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland and Turkey. There are no separate passes for Belgium, Luxembourg, and the Netherlands, but there is a Benelux pass. It is also available to residents of Belgium, Luxembourg, and the Netherlands, but it is only valid in the two countries other than the country of residence. Reservations With an Interrail pass, reservations are usually not required for local and regional trains; however, reservations are needed for most high-speed, international, and night trains. Surcharges are required in many countries to guarantee seat reservations and other benefits, such as meals, drinks, free Wi-Fi, and access to first-class lounges. These reservations can usually be avoided by taking regional or local trains. Reservations may be made at the station, on the rail-company website, with the Rail Planner app, or at a travel agency. High-speed trains Many high-speed trains require reservation and, sometimes, an extra fee sold as a supplement or pass-holder fare: Eurostar (London, Paris, Amsterdam, and Brussels) services require a compulsory reservation. 2nd class pass holders can travel in Standard class only, 1st class pass holders can travel in either Standard or Standard Premier class. It isn't possible to travel in Business Premier with an Interrail pass. Pass holder fares are quota controlled so it is possible for a train to sell out of pass holder fares before the service