info@tcddteknik.com.tr
Deep-rooted Tradition

We Bring Innovative Technologies

About us
Trust in Engineering

Innovation in Technology: TCDD Teknik

With the understanding of "Trust in Engineering, Innovation in Technology", TCDD Teknik builds the rails of the future with expert engineering solutions in the railway sector. We bring reliability and quality together by offering innovative approaches in areas such as certification, test and measurement engineering, signaling systems and smart transportation technologies. In every project, we continue to lead the sector with our solutions that combine technology and trust.

About us
Innovative Solutions in Railways

We are on the field with our national engineering power!

TCDD Teknik continues its work as Türkiye's national engineering power without slowing down. It produces value-added projects all over Türkiye with Signalization, Railway Vehicles, Engineering - Consultancy, Measurement and Certification applications.

News Detail
About us

We prioritize quality in everything we do.

As TCDD Teknik, we set out to bring innovative solutions to the needs of the entire transportation sector.
We continue our work with the aim of becoming a leading engineering company in our region and geography by providing high quality and safe services.
About us
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Our projects
We all work together for the common vision we share.
Completed Projects
Ongoing Projects
Konya
VEHICLE DYNAMIC BEHAVIOR MEASUREMENT AND REPORTING OF THE LINE BETWEEN KONYA-KARAMAN STATIONS
Proje Detay
Ankara
PREPARATION OF RAILWAY SIGNALING ACTION PLAN
Proje Detay
Kayseri
ANAFARTALAR-YHT TRAM LINE SYSTEM ENGINEERING CONSULTANCY SERVICE
Proje Detay
İstanbul
MARMARAY PERIODIC MAINTENANCE AND INTERVENTION TO FAILURES
Proje Detay
Ankara
SUPPLY AND INSTALLATION OF ATS GROUND MAGNET INTERFACE CARD, CARD BOX, ATS ROAD MAGNET
Proje Detay
Ankara
INSPECTION OF TCDD YHT LINES
Proje Detay
Konya
VEHICLE DYNAMIC BEHAVIOR MEASUREMENT AND REPORTING OF THE LINE BETWEEN KONYA-KARAMAN STATIONS
Proje Detay
Ankara
PREPARATION OF RAILWAY SIGNALING ACTION PLAN
Proje Detay
Kayseri
ANAFARTALAR-YHT TRAM LINE SYSTEM ENGINEERING CONSULTANCY SERVICE
Proje Detay
İstanbul
MARMARAY PERIODIC MAINTENANCE AND INTERVENTION TO FAILURES
Proje Detay
Ankara
SUPPLY AND INSTALLATION OF ATS GROUND MAGNET INTERFACE CARD, CARD BOX, ATS ROAD MAGNET
Proje Detay
Ankara
INSPECTION OF TCDD YHT LINES
Proje Detay
Ankara
TCDD 1,2,3,4,5,6,7 AND YHT (KAYAŞ - SİVAS LINE) REGIONAL DIRECTORATES SIGNALING PROJECTS
Proje Detay
Sivas
ASSESSMENT OF KAYAŞ-SİVAS HIGH SPEED TRAIN LINE IN TERMS OF SAFETY
Proje Detay
Zonguldak
Irmak – Karabük - Zonguldak Line Tunnel Survey Project, Engineering and Consultancy Work
Proje Detay
Sivas
Yerköy-Sivas High Speed ​​Train Line Corrective Rail Grinding Work
Proje Detay
Ankara
TCDD 1,2,3,4,5,6,7 AND YHT (KAYAŞ - SİVAS LINE) REGIONAL DIRECTORATES SIGNALING PROJECTS
Proje Detay
Sivas
ASSESSMENT OF KAYAŞ-SİVAS HIGH SPEED TRAIN LINE IN TERMS OF SAFETY
Proje Detay
Zonguldak
Irmak – Karabük - Zonguldak Line Tunnel Survey Project, Engineering and Consultancy Work
Proje Detay
Sivas
Yerköy-Sivas High Speed ​​Train Line Corrective Rail Grinding Work
Proje Detay
Our services

Our goal is to be a leading engineering company that creates added value to our country with our projects.

Engineering Services
Consultancy Services
Signaling and Technology
Rolling Stock and Energy
Certification and Measurement Services
Engineering Services
Consultancy Services
Signaling and Technology
Rolling Stock and Energy
Certification and Measurement Services

Our Solution Partners

@tekniktcdd
The Book "Practical Photogrammetry in UAV and Terrestrial Methods" is Published
We are excited to be at the International Intelligent Transportation Systems Summit, which will be held on May 2-4! Don't miss this opportunity to discover innovations in the industry and shape the transportation of the future!
And the first signal from our satellite as planned. We successfully received it in minutes!

Latest Developments

29 January 2026
We opened our Test and Training Center.
22 October 2025
A delegation consisting of representatives of Azerbaijan Railways (ADY) visited our company
24 September 2025
The Ordinary General Assembly Meeting Regarding the 2024 Activities of our Company was held on September 24, 2025
15 August 2025
We visited Diyarbakır Vehicle Maintenance Directorate.
14 July 2025
Syrian Arab Republic Railways (CFS) Delegation was at TCDD Teknik
17 February 2025
TCDD Technical 2025 Strategic Plan and Performance Report Card Evaluation Workshop was Held
30 November 2024
THE RAILWAY LINE IS SAFE WITH DEMİRGÖZ

TCDD continues its preventive maintenance services with “Iron Eye”. With the device called Demir Göz, R&D developed by TCDD Teknik,...
08 April 2024
TCDD TEKNİK A PIONEER IN RAILWAY SAFETY

TCDD Teknik, which has an important position among Turkey's fastest growing engineering companies, is improving its services in the railway...
25 January 2023
COOPERATION PROTOCOL WAS SIGNED BETWEEN TCDD TECHNICAL AND OSTİM INSTITUTIONS

TCDD Teknik Mühendislik ve Müşavirlik A.Ş. OSTİM Institutions; OSTİM OIZ signed a cooperation protocol with Anatolian Rail Transportation Systems Cluster...
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