Irmak - Zonguldak railway is the railway line between Irmak - Zonguldak - Kozlu.
Railway, 1931 - Between 1937 has been built by the Republic of Turkey State Railways connects the industrial port of Zonguldak coal mines and steel mills of central Anatolia and Kardemir. Because of its importance on Turkey's coal industry is referred to as the Railway kömüryol.
Karaelmas Express, a passenger train that operates between Ankara and Zonguldak three times a week, passes on the same line and its flights were stopped on January 1, 2010. Although it was replaced by the Zonguldak - Filyos Regional Train in 2014, it is now used mostly for freight transportation.
Parts of the Line and Opening Dates
|Filyos - Balıkısık||70,916 km (44,065 mi)|
|River - Cankiri||102,255 km (63,538 mi)|
|Balıkısık - Eskipazar||65,085 km (40,442 mi)|
|Cankiri - Cerkes||103,606 km (64,378 mi)|
|Çerkeş - Eskipazar and Batıbel Railway Tunnel (3444 m.)||48,398 km (30,073 mi)|
|Filyos - Çatalağzı||14,681 km (9,122 mi)|
|Çatalağzı - Zonguldak||214,857 km (133,506 mi)|
|Zonguldak - Kozlu||4,270 km (2,653 mi)|