The Blue Train was the Turkish State Railways

Turkish State Railways

The State Railways of the Turkish Republic or TCDD is the government owned, national railway carrier in the Republic of Turkey, headquartered in Ankara...

 premier passenger train service in the 1980s and early 1990s. The first Blue Train operated between İstanbul

Istanbul

Istanbul , historically known as Byzantium and Constantinople , is the largest city of Turkey. Istanbul metropolitan province had 13.26 million people living in it as of December, 2010, which is 18% of Turkey's population and the 3rd largest metropolitan area in Europe after London and...

 and Ankara

Ankara

Ankara is the capital of Turkey and the country's second largest city after Istanbul. The city has a mean elevation of , and as of 2010 the metropolitan area in the entire Ankara Province had a population of 4.4 million....

, entering service in 1979. More Blue Train services were added later on. The İzmir Blue Train

İzmir Blue Train

The İzmir Blue Train is one of the 3, still operating, "Blue Train" services. The train operates between Alsancak Terminal in İzmir and Central Station in Ankara....

, Central Anatolia Blue Train, Çukurova Blue Train and 4th of September Blue Train all were overnight trains. These trains had custom railcars, built by TÜVASAŞ

TÜVASAS

Türkiye Vagon Sanayi Anonim Şirketi, more commonly known as TÜVASAŞ, is a railcar manufacturer based in Adapazarı. TÜVASAŞ is responsible for the construction, refurbishment and repair of railcars for the Turkish State Railways, and is a 100% shareholding of the Turkish State Railways, reporting...

, all painted blue with a blue painted DE 24000

TCDD DE24000

TCDD DE 24000 are a type of diesel locomotive built for operations on Turkish State Railways by Tülomsaş. A total of 218 units were built between 1970-84 on license from Matériel de Traction Electrique of France...

series locomotive pulling the train.

Service

• Blue Train (1979–2000) - Haydarpaşa (İstanbul)-İzmit-Osmaniye-Bilecik-Eskişehir-Ankara
• İzmir Blue Train (1984– ) - Ankara-Eskişehir-Kütahya-Balıkesir-Manisa-Alsancak (İzmir)
• Çukurova Blue Train (1986– ) - Haydarpaşa (İstanbul)-İzmit-Osmaniye-Bilecik-Enveriye (Eskişehir)-Afyon-Konya-Karaman-Adana
• Central Anatolia Blue Train (1989– ) - Ankara-Kırıkkale-Kayseri (Boğazköprü)-Karaman-Adana
• 4 Eylül Mavi Treni (1993–2007, 2011– ) - Ankara-Kırıkkale-Kayseri-Sivas-Malatya