Marmaray project completed 78 percent

The Marmaray project, which is still in its 7-year construction phase, has made 78 percent progress… The Marmaray project, which will connect the two sides of Istanbul under the sea, has made 78 percent progress. 7 people worked for 1.700 million hours during the 32-year construction phase of the project. Excavation progress at Sirkeci Station is 85 percent, rough construction progress is 45 percent, and progress for the total project is calculated as 78 percent.