S-50b
What does the S-50b sign mean?
Lanes reserved by signed speed
Meaning
On 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.
Sign details
- Official code
- S-50b
- 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-50 variants
These share the same base code and are easy to mix up — the difference is in the detail of the symbol.
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-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.
Other signs in this group
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.
S-51bHigh-occupancy vehicle (HOV) laneOne or more lanes for the exclusive use of high-occupancy vehicles. The image gives the number of people from which occupancy counts as high, as set by the competent authority.
S-52Lane endsOn a one-way carriageway with three lanes, the right-hand lane disappears and you must change lane.
S-52aLane endsOn a two-way carriageway with two lanes in your direction, the right-hand lane disappears and you must change lane.
S-52bLane endsOn a two-way carriageway with two lanes in your direction, the left-hand lane disappears and you must change lane.
S-52cLane endsOn a one-way carriageway with two lanes, the right-hand lane disappears and you must change lane.
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