Connecting Asia and Europe, Northern Marmara Motorway symbolizes Türkiye's transport vision.
Linking Marmara's industrial and trade centers, this vast investment reduces Bosphorus crossing congestion and provides safe, uninterrupted travel.
Transport Infrastructure Projects
Northern Marmara Motorway
Northern Marmara Motorway
Connecting Asia and Europe, Northern Marmara Motorway symbolizes Türkiye's transport vision.
Tekirdağ to Sakarya, Marmara Region, Türkiye
2013-2020
Highlights
Location
Tekirdağ to Sakarya, Marmara Region, Türkiye
Client/Employer Information
Ulaştırma ve Altyapı Bakanlığı / Karayolları Genel Müdürlüğü
Project Scale
Over 400 km of motorway; four lane tunnels, the world's widest
Project Duration
Build Operate Transfer model, started 2013, completed 2020
Energy Efficiency
Fuel and time savings up to 25% through intelligent transport
Number of Employees
Over 10,000 engineers, technicians and site workers
Safety Statistics
International standard traffic safety and continuous monitoring
Contribution to the Local Economy
Tens of thousands of jobs and accelerated Marmara logistics and trade
Water Savings
Rainwater collection and irrigation around the motorway
Green Spaces
Environmentally friendly landscaping and reforestation
Architectural and Engineering Details
Advanced engineering, bridges, viaducts and tunnels underpin construction. Four lane tunnels entered history as the world's widest motorway tunnels. Modern materials, durable reinforced concrete and international quality standards form the project's foundation.
Technologies and Innovations Used
Intelligent Transport Systems maintain the highest safety and efficiency through real time traffic monitoring, emergency management and automatic controls.
Special Solutions
Fire protection, emergency exits, round the clock cameras and communications prioritize passenger safety. Istanbul Airport and Yavuz Sultan Selim Bridge connections strengthen international transport links.
Project Stages and Solutions
Construction Stages
01
2013: Project launch
02
2016: Completion of the Yavuz Sultan Selim Bridge connection
03
2018 to 2019: Tunnels and viaducts commissioned
04
2020: All motorway phases opened
Solutions
Large excavation and filling works and advanced tunneling overcame difficult geography. Advanced geotechnical methods ensured safety and durability along the motorway.
Partnerships
Leading Turkish engineering and consultancy firms and domestic and international partnerships delivered this megaproject.
Sustainability
Economic and Social Impact
Northern Marmara Motorway expanded regional logistics capacity and accelerated trade, creating local jobs and economic activity. It also supported new residential areas north of Istanbul.
Sustainability and Environmental Sensitivity
Protecting wildlife, the project applied forest rehabilitation, green space and water saving measures according to environmental assessments. Intelligent technologies substantially reduced fuel consumption and carbon emissions.
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