Üsküdar-Ümraniye-Çekmeköy Metro Project, Telecommunication and Signalling Systems Construction Work
Elsitel has completed the design, supply, install and commission the whole Communication System including a total of 42 km in-tunnel railway line and depot lines, and to install Signalling Systems for the Ümraniye – Çekmeköy / Sancaktepe Underground Project, which is the first driverless underground line of Turkey. Metro Line with 16 stations has been put in service.
![uskudar-cekmekoy-metro](https://www.elsitel.com.tr/wp-content/uploads/2023/12/uskudar-cekmekoy-metro.jpg)
![üsküdar](https://www.elsitel.com.tr/wp-content/uploads/2023/12/uskudar.png)
The following subsystems are installed as part of the Communication and Signalling systems:
CCTV-Closed Circuit Television System
Access Control System
Telephone and Data Transmission System
Central Clock System
Passenger Information System
Announce System
Radio System
Transmission System
On-board Wireless Data Transmission
Driverless Signalling System – interlocking, central contol, wayside equipment, cables