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Alstom to supply APS ground-level power solution for tramway in Istanbul, Turkey

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Alstom will supply a full APS ground-level power-supply solution for the Istanbul Metropolitan Municipality[1]. The solution will be installed on the new ten-kilometre-long Halic Golden Horn line, thereby rendering it entirely catenary-free.

Alstom will design and supply the continuous traction power transmission system for the entire fleet of 30 trams[2], spare parts and equipment, with a warranty of two years. The scope of the agreement also includes testing and commissioning of the APS system and training of the maintenance personnel and administrative staff.

We are extremely proud to provide our state-of-the-art catenary-free power supply system for the city of Istanbul, helping contribute to the preservation of its beauty. Alstom has long been a part of the urban transport development of this great city, said Didier Pfleger, Senior Vice-President of Alstom Middle East and Africa.

With APS, power is supplied to the tram through a segmented street-level power rail. The conductive segments are activated only when fully covered by the tram, ensuring total safety for pedestrians and other road users. The power is picked up by contact shoes located under the vehicle, on the trams central bogie. APS helps preserve the beauty of the urban environment while guaranteeing the same performance as overhead contact lines. In 2014, Alstom delivered and commissioned the worlds first 100% catenary-free tramway system in Dubai.

Alstom has been present in Turkey for more than 60 years and has supplied metro cars and trams to the city of Istanbul. In 2011, Alstom also signed a contract to supply signalling to the 328 km-long Eskisehir-Kutahya-Balikesir regional line. Alstoms Istanbul office is a hub for signalling and systems projects and the management centre for the Middle East cluster.


[1] Letter of Agreement signed with Dogus, contractor for the Istanbul Metropolitan Municipality (IBB)

[2] Trams provided by another manufacturer