The concrete step for Sefaköy's campaign: Sefaköy-Halkalı- The study of the Başakşehir Havaray project will be awarded on 20 August 2014. Sefaköy- 11,60 kilometers longHalkalı-Başakşehir Havaray Project consultancy service work will be completed in 8 months. On the other hand, the 15th Missile Base Command came to the Maltepe-Başıbüyük havaray line. The Missile Base Command stated that no approval was received from the project, which was approved and processed into the zoning plans, and the route of the line was changed. The Assembly decided to cancel and re-evaluate the project.