S-53
What does the S-53 sign mean?
One lane becomes two
Meaning
On a single-lane stretch, two lanes are about to open in the same direction.
Sign details
- Official code
- S-53
- Group
- Lane signs
- Catalogue section
- 3.9
- How to recognise it
- A rectangular sign with a blue ground showing the lane layout and its arrows in white.
Source: Reglamento General de Circulación — Anexo I, apartado 5: Catálogo oficial de señales de la circulación y marcas viales (Catálogo de señales verticales, tomo I) · Anexo I, apartado 5 (Catálogo de señales verticales de circulación, tomo I)
S-53 variants
These share the same base code and are easy to mix up — the difference is in the detail of the symbol.
S-53aOne lane becomes two, with a speed limit for eachOn a single-lane stretch, two lanes are about to open in the same direction. It also gives the maximum speed allowed in each.
S-53bTwo lanes become threeOn a stretch with two lanes in one direction, three lanes are about to open in the same direction.
S-53cTwo lanes become three, with a speed limit for eachOn a stretch with two lanes in one direction, three lanes are about to open in the same direction. It also gives the maximum speed allowed in each.
Other signs in this group
S-50aLanes reserved by signed speedOn a two-way carriageway, an extra lane opens on the left that may only be used by vehicles travelling at or above the speed shown — though where conditions allow they should keep to the right.
S-50bLanes reserved by signed speedOn a two-way carriageway, an extra lane opens on the right. The lane under the minimum-speed sign may only be used by vehicles travelling at or above the speed shown.
S-50cLanes reserved by signed speedOn a one-way carriageway, an extra lane opens on the right. The lanes under the minimum-speed sign may only be used by vehicles travelling at or above the speed shown.
S-50dLanes reserved by signed speedOn a two-way carriageway, the lane under the minimum-speed sign may only be used by vehicles travelling at or above the speed shown.
S-50eLanes reserved by signed speedOn a one-way carriageway, the lanes under the minimum-speed signs may only be used by vehicles travelling at or above the speed shown.
S-51aLane reserved for specific vehiclesA lane for the exclusive use of one or more particular vehicle types — buses, motorcycles, three-wheelers treated as motorcycles, taxis, cycles and so on. The sign carries their pictogram.
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