Is it a subway or a mortar? Dr. Ahmet Vefik Alp, nostalgic tram, light subways and similar roads to reduce the compression of the opinion. And he argues that Metro is too expensive and slow to build for Istanbul, he says:
Da Until the end of Istanbul, will be finished. It is inevitable to support the construction of the metro with another fast and economical system. 'Monorail', in other words 'Havaray', is perfect for this job. The single-rail system on masts is successfully used in many countries. It can be made much faster and cheaper than the metro.