What is the speed limit from the time you pass an Accident or Crash sign until you have passed the crash site?

What is the speed limit from the time you pass an Accident or Crash sign until you have passed the crash site?undefined
20km/h
30km/h
50km/h
60km/h

When you see this sign, please proceed at a speed not exceeding 20 kilometers per hour. Do not stop, look on curiously, or take photos when passing the accident scene.