Transit planning
Expect Metro delays and reduced train speeds on multiple lines during thunderstorms; plan to travel earlier or choose alternate routes to avoid crowded platforms.
STC implemented 'marcha de seguridad' and trains are reducing speed during rainfall — this increases journey times and crowding risk.
Market/area avoidance
Avoid visiting Mercado Chinampac de Juárez (Iztapalapa) at night and limit time in less-trafficked side streets; if you must go, remain in main corridors and maintain awareness of exits.
An armed robbery at a jewelry stall in Mercado Chinampac left a man shot; SSC has increased patrols in Iztapalapa and Cuauhtémoc but risks persist locally.