The Zonguldak-Filyos Regional (Turkish: Zonguldak-Filyos Bölgesel Treni) is a newly implemented regional rail service running along the Black Sea coast between Zonguldak and Filyos, with eight intermediate stations.

The service restored passenger rail operations in Zonguldak that ended in 2010, when the Karaelmas Express was shortened to run between Karabük and Çankırı.

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