Traffic Signs

What does the S-1a road sign mean?

Question image: What does the S-1a road sign mean?
  • A Emergency escape lane
  • Dual carriageway
  • C Parking
  • D Short-stay parking for a specific need

Why this is the correct answer

Indicates the start of a dual carriageway and therefore the point from which the special rules of this type of road apply. The symbol may also be used to announce the proximity of a dual carriageway or to indicate the branch of a junction leading to a dual carriageway.

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