Controlled execution planned around field requirements.
Four separate maintenance projects were successfully completed across Istanbul's urban rail network:
• M7 Tekstilkent–Mahmutbey Line: April 2019 – May 2019
• M6 Levent–Hisarüstü Metro Line: September 2018 – October 2018
• M2 Yenikapı–Hacıosman Metro Line: August 2018 – September 2018
• T1 Bağcılar–Kabataş Tram Line: June 2018 – July 2018
• M7 Tekstilkent–Mahmutbey Line: April 2019 – May 2019
• M6 Levent–Hisarüstü Metro Line: September 2018 – October 2018
• M2 Yenikapı–Hacıosman Metro Line: August 2018 – September 2018
• T1 Bağcılar–Kabataş Tram Line: June 2018 – July 2018