- 2–2 reclining seat configuration, on-board TV. Executive-class carriages are classified by the Ministry of Transportation as K1. Also, trains having Eksekutif cars are certainly the fastest ones – see the note below. Argo class – this is the top class that all of train names use Argo brand. Fauna class – below the Argos. Business/second class (bisnis)–medium class, the fare is around 60% of executive classes, 2–2 seating, fixed 60 degrees seat. Business-class carriages are classified by the Ministry of Transportation as K2. The Indonesian Railways is phasing out this class. Premium economy class–the intermediate level between the business and economy classes, the fare is nearly same as business, 2-2 reclining seat configuration. Economy/third class (ekonomi)–the lowest and cheapest class, below the premium class tickets are around 20% of business classes. Economy-class carriages are classified by the Ministry of Transportation as K3. Commercial economy class, 2-2 seat configuration PSO economy class, 3-2 seat configuration, with split-type air conditioned (retrofitted from fans) All classes are non-smoking and air conditioned. All passengers require a seat reservation, except for commuter trains. All seats can be reserved from 30 to 90 days before travel date until minutes before departure time when seats are still available. Medium and long-distance trains have onboard cafeteria, flushing toilets (older passenger coaches have squatting toilets), onboard customer service representative (Train Manager), onboard security, and onboard cleaning services. Executive class trains are the fastest and stop only on a few major stations (first priority). Business trains are somewhat slower, but generally do not stop too often as well there may be economy cars in these trains (second priority). Economy trains take significantly more time to reach the destination, as they stop on many smaller stations and have to pass all executive and business class traffic going in the same direction (third priority). Many less important routes lack either business or executive service, or both. Some services have more two or three classes mixed together (executive-business, executive-economy, executive-premium economy, or executive-business-economy). For local or commuter trains, single class service is the most common type of service. But in some areas there may be other classes as well which have different seating arrangement and travel time in which the lower classes has more stops than the upper one. For example, Jogjakarta–Solo route there are Sriwedari train services which is air conditioned and has transverse seating and also Prambanan Express train which