Railway Infrastructure

Eskişehir-Balıkesir interlocking commissioned

Installation and commissioning of the new signal interlocking between Eskisehir and Balikesir has been completed and is now in service.

Commissioning of the interlockings on the 328-km-long Eskisehir-Kutahya-Balikesir route has been completed, ensuring the safe movement of trains on this modernized and electrified route.

Eskisehir-Kutahya-Balikesir railway

The project was carried out by Alstom in 8 geographical sections. Each section has a separate interlocking covering the signalling of all stations, sidings and level crossings within that area.

The first five sections covering Eskisehir to Balikoy were commissioned in December 2020, and the remaining three sections covering Balikoy to Balikesir were commissioned in February 2021.

The whole system covers 350 km of tracks, 27 stations, 5 sidings and 54 level crossings, linked to a telecommunications and traffic control center (CTC).

Alstom also installed the interlocking system on the 25-km-long Kayseri Northern Pass in 2016.

Cover photo: Alstom ©

What’s interlocking?

Interlocking (IXL) is an arrangement of signalling equipment that prevents trains from making potentially conflicting movements; trains can only receive signalled authority to proceed once the route has been set, locked and detected in safe combinations.

About Alstom

Alstom SA is a French multinational rolling stock manufacturer operating worldwide in rail transport markets, active in the fields of passenger transportation, signalling, and locomotives, with products including the AGV, TGV, Eurostar, Avelia and Pendolino high-speed trains, suburban, regional and metro trains, Citadis trams.


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