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What does the black 30 sign mean?

  • Incorrect: The roadworks are ending on the 30th of the current month.
  • Correct: Recommended maximum speed.
  • Incorrect: The sign is not a road sign; it is intended for road workers.
  • Incorrect: Recommended minimum speed.


Recommended maximum speed (E13)
The sign is only used as an adjustable road sign and indicates that the conditions are such that, for a limited period, it is not advisable to travel at a higher speed than the one indicated on the sign. The indicated speed is therefore lower than the maximum permitted speed.


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