Traffic Signs

What does the R-306 road sign mean?

Reviewed on 26 Jul 2026

Question image: What does the R-306 road sign mean?
  • A No parking in front of driveway
  • ✓ No overtaking for lorries
  • C No parking on either side of the sign
  • D No parking in the direction indicated by the arrow

Why this is the correct answer

Prohibition for lorries whose maximum authorised mass exceeds 3,500 kilograms to overtake motor vehicles travelling on the carriageway, except when those vehicles are two-wheeled motorcycles and provided that the area reserved for oncoming traffic is not invaded, from the place where the sign is situated up to the next "End of no overtaking for lorries" sign or "End of prohibitions" sign.

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