A safety zone is a specially marked area for passengers to get on or off buses or trolleys. When can you drive through it?

• At any time for any reason
• Only when a bus or trolley is not present
  Explanation:

  "

  When in a safety zone, you can only drive through when a bus or trolley isn't present to ensure passenger safety.

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• Only when a bus or trolley is unloading passengers
• Only when the road is clear of other vehicles