1. Tap in the upper-right corner of the map, then tap Report an Issue.
2. Tap Accident, Hazard, or Speed Check.
3. Optionally, do any of the following to provide more information:
   • Include a photo of the incident: Tap Add Photo.
   • Add a description: Tap “Add more information about the incident,” then use the keyboard to enter a description, or tap to speak a description.
   • Refine the location: Tap the map, then drag it to move the incident marker. (You can tap Map, Transit, or Satellite at the bottom of the screen to change the view.)
4. Tap Submit.
   

   

Apple evaluates incoming incident reports. When there’s a high level of confidence in the reports, incident markers for Accident, Hazard and, in China, Road Work are displayed in Maps for other users too.