Minister of transportation, Saad el-Geioushy said Sunday in a statement to Youm7 News that drilling the first part of the fourth stage of the metro third line extending from Haroon to Al-Nozha metro station, will begin Tuesday. El-Geioushy revealed that the cost of this part is EGP 4.345 billion. He stressed that French Vinci construction company, which is implementing the drilling, will complete its work INCI by the end of 2017.