TCDD UIC-X coaches were a type of passenger

railcar A railcar (not to be confused with a railway car) is a self-propelled railway vehicle designed to transport passengers. The term "railcar" is usually used in reference to a train consisting of a single coach (carriage, car), with a dri ...

that the

Turkish State Railways The State Railways of the Republic of Turkey ( tr, Türkiye Cumhuriyeti Devlet Demiryolları), abbreviated as TCDD, is a government-owned national railway company responsible with the ownership and maintenance of railway infrastructure in Turkey ...

operated on most express and regional trains from the 1970s to the early 2000s. These cars were built by TÜVASAŞ at their Adapazarı plant in cooperation with the International Union of Railways (UIC) in order to standardize Turkish railcars with international standards. Before the

TVS2000 The TÜVASAŞ 2000, more commonly known as TVS2000, is a series of intercity railcars built by TÜVASAŞ for the Turkish State Railways between 1993 and 2005. They were built in order to revive TCDD's failing image in the early 1990s, for use on t ...

became the new standard of the railway, these coaches were the most popular railcar in the country. Beginning in the 2000s, they have been slowly phased out, with a large majority of them being retired or refurbished into modernized railcars, similar to the TVS2000s.

References

{{reflist, refs= {{cite book , title= Türkiye Vagon Sanayi A.Ş. , url=http://www.tuvasas.com.tr/pdf/TUVASAS_SUNUM_TR.pdf&usg=AOvVaw0dcdAyF1kyS4tWWW_LDmNi , language=tr , location=Adapazarı , publisher=TÜVASAŞ , page=3 , access-date=22 September 2020 Train-related introductions in 1975 Turkish State Railways Railway coaches