Risk Management in City Rail Transportation System Project: A Case Study of Istanbul

Today, the most important modes of transportation for cities are public transportation. Public transport provides citizens with fast, reliable, timely and inexpensive transportation.Public transportation systems are constructed according to the size of the cities. Bus systems are the most common means of public transport in small-scale cities. However, as cities grow, the rail system becomes an important model for public transportation. Turkey's largest city of Istanbul has a population of over 14 million. With a 149 km rail system line, it is aimed to create a railway system network of 1.000 km for public transportation in Istanbul. In this context, 276 km railway system construction is continuing. The completion of the investments financed by the municipality and the government at the targeted time and in the desired qualification is very important in terms of the quality of life of the citizens. For the Rail System Lines, risk management is required to achieve the intended objectives. In this study; continuing rail system projects in Istanbul; design, engineering services (supervisor) and construction phases. For the study, a risk matrix was created and a questionnaire survey was conducted with 60 senior experts working on the Istanbul rail system projects in the public and private sectors. Survey results and evaluations were given in the study