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Catalogue section 3.8

General indication signs (S-1–S-49)

They give useful information about the road type and its special rules: motorway, tunnel, one-way, pedestrian zone.

How to recognise them: A square or rectangular sign with a blue background and a white symbol or wording.

How this group is laid out

These signs give information, and several of them mark where a different set of rules begins. S-1 marks the start of a motorway and, with it, of that road type's special traffic rules; S-1a does the same for an autovía, S-1b for a multi-lane road and S-1c for a 2+1 road, with three lanes and two-way traffic, whose middle lane is for overtaking and is reserved for each direction in turn. Each has its end sign in the S-2 series.

The same start-and-end pairing runs through the rest of the group: the road reserved for motor vehicles (S-3 and S-4), recommended speed (S-7 to S-10), home zones and pedestrian zones (S-28 to S-31a), ways for cycles and personal mobility vehicles (S-35 to S-44) and the shared-space zone (S-47 and S-48). Among the others are recommendations, such as S-7, which advises you not to exceed a speed; the position of a pedestrian crossing (S-13) or of a footbridge or subway (S-14a to S-14f); and places to stop: parking (S-17 and S-17a), taxis (S-18), buses (S-19), trams (S-20), lay-bys (S-34) and emergency escape lanes (S-16).

How to tell them apart

Signs in this group that look alike, and what separates them according to their definitions.

  • S-28S-47

    Both are areas meant first of all for pedestrians, who have priority and may use the whole of the traffic area. In S-28 the speed limit is 10 km/h and games and sport are allowed; in S-47 it is 20 km/h and they are not.

  • S-7S-9

    S-7 advises you not to exceed one speed; S-9 to stay between two values. Both are advice for when weather, road and traffic conditions are good, and under a danger sign they cover the stretch where the danger lasts.

  • S-11S-12a

    S-11 and its variants say that a carriageway of one, two or three lanes is one-way in the direction of their arrows. S-12a and S-12b say the same of a section of carriageway.

  • S-22S-25

    Both announce a place to turn round. At S-22 you turn at the same level; S-25 announces an exit through which you turn round at a different level.

  • S-15aS-15e

    On every S-15 sign, the dead-end road is the one drawn inside a red box. S-15e adds an exception: it is a dead end except for pedestrians or cycles, whose pictograms it carries.

70 signs

  • Motorway

    S-1

    Motorway

    The start of a motorway, and so the point from which that road type's special rules apply. It can also mark a slip road at an interchange leading onto a motorway.

  • Dual carriageway (autovía)

    S-1a

    Dual carriageway (autovía)

    The start of an autovía, and so the point from which that road type's special rules apply. It can also mark a slip road at an interchange leading onto one.

  • Multi-lane road

    S-1b

    Multi-lane road

    The start of a multi-lane road, and so the point from which that road type's special rules apply. It can also mark a slip road at an interchange leading onto one.

  • 2+1 road

    S-1c

    2+1 road

    The start of a 2+1 road: one with three lanes that carries traffic in both directions. The middle lane is there to make overtaking easier and is reserved for each direction in turn. It can also mark a slip road at an interchange leading onto a 2+1 road.

  • End of motorway

    S-2

    End of motorway

    The end of a motorway.

  • End of dual carriageway (autovía)

    S-2a

    End of dual carriageway (autovía)

    The end of an autovía.

  • End of multi-lane road

    S-2b

    End of multi-lane road

    The end of a multi-lane road.

  • End of 2+1 road

    S-2c

    End of 2+1 road

    The end of a 2+1 road.

  • Road reserved for automobiles

    S-3

    Road reserved for automobiles

    The start of a road reserved for automobiles.

  • End of road reserved for automobiles

    S-4

    End of road reserved for automobiles

    The end of a road reserved for automobiles.

  • Tunnel

    S-5

    Tunnel

    The start, and possibly the name, of a tunnel, underpass or stretch treated as a tunnel. Its length in metres may appear underneath.

  • Recommended maximum speed

    S-7

    Recommended maximum speed

    A recommended speed in km/h that it is best not to exceed, even in good weather and traffic conditions. Placed under a danger-warning sign, the advice covers the stretch where that hazard lasts.

  • End of recommended maximum speed

    S-8

    End of recommended maximum speed

    The end of a stretch where the speed shown was recommended.

  • Recommended speed range

    S-9

    Recommended speed range

    Recommends keeping your speed between the values shown, as long as weather, road and traffic conditions are good. Placed under a danger-warning sign, the advice covers the stretch where that hazard lasts.

  • End of recommended speed range

    S-10

    End of recommended speed range

    From here, the earlier recommended-speed-range sign stops applying.

  • One-way single-lane carriageway

    S-11

    One-way single-lane carriageway

    On the single-lane carriageway continuing in the arrow's direction, drive the way the arrow points; traffic the other way is prohibited.

  • One-way two-lane carriageway

    S-11a

    One-way two-lane carriageway

    On the two-lane carriageway continuing in the arrows' direction, drive the way they point; traffic the other way is prohibited.

  • One-way three-lane carriageway

    S-11b

    One-way three-lane carriageway

    On the three-lane carriageway continuing in the arrows' direction, drive the way they point; traffic the other way is prohibited. With more lanes, the number of arrows matches them.

  • One-way section

    S-12a

    One-way section

    On the section of carriageway continuing in the arrow's direction, drive the way the arrow points; traffic the other way is prohibited.

  • One-way section

    S-12b

    One-way section

    On the section of carriageway continuing in the arrow's direction, drive the way the arrow points; traffic the other way is prohibited.

  • Pedestrian crossing here

    S-13

    Pedestrian crossing here

    Marks where a pedestrian crossing is.

  • Pedestrian footbridge

    S-14a

    Pedestrian footbridge

    Marks where a pedestrian footbridge is.

  • Pedestrian subway

    S-14b

    Pedestrian subway

    Marks where a pedestrian subway is.

  • Pedestrian footbridge with ramp

    S-14c

    Pedestrian footbridge with ramp

    Marks where a pedestrian footbridge fitted with a ramp is.

  • Pedestrian subway with ramp

    S-14d

    Pedestrian subway with ramp

    Marks where a pedestrian subway fitted with a ramp is.

  • Pedestrian footbridge with cycle rail or ramp

    S-14e

    Pedestrian footbridge with cycle rail or ramp

    Marks where a pedestrian footbridge fitted with a cycle rail or ramp is.

  • Pedestrian subway with cycle rail or ramp

    S-14f

    Pedestrian subway with cycle rail or ramp

    Marks where a pedestrian subway fitted with a cycle rail or ramp is.

  • No through road

    S-15a

    No through road

    The road shown boxed in red on the sign is a dead end.

  • No through road ahead

    S-15b

    No through road ahead

    The road shown boxed in red on the sign is a dead end. A mirrored version may be used to match the actual layout.

  • No through road ahead

    S-15c

    No through road ahead

    The road shown boxed in red on the sign is a dead end. A mirrored version may be used to match the actual layout.

  • No through road ahead

    S-15d

    No through road ahead

    The road shown boxed in red on the sign is a dead end.

  • No through road except for pedestrians or cycles

    S-15e

    No through road except for pedestrians or cycles

    The road shown boxed in red is a dead end except for pedestrians or cycles. The sign carries the pictogram of whoever the exception covers.

  • Emergency escape lane

    S-16

    Emergency escape lane

    Marks an escape lane built so a vehicle can be stopped if its brakes fail.

  • Parking

    S-17

    Parking

    Parking is allowed here. Wording or a symbol for certain classes of vehicle means parking is reserved for them. Wording giving times limits how long you may park.

  • Parking for a specific need

    S-17a

    Parking for a specific need

    Parking is allowed here only for one specific purpose — reaching a pharmacy, a hospital and so on, shown by the pictogram — and only for a set time, given on a supplementary panel.

  • Taxi rank

    S-18

    Taxi rank

    A place reserved for available, on-duty taxis to stop and park. A number gives the total spaces reserved.

  • Bus stop

    S-19

    Bus stop

    A space reserved for buses to stop.

  • Tram stop

    S-20

    Tram stop

    A space reserved for trams to stop.

  • Mountain pass conditions

    S-21

    Mountain pass conditions

    Shows whether the pass or stretch named at the top of the sign is passable.

  • U-turn point, same level

    S-22

    U-turn point, same level

    A place is coming up where you can turn round at the same level.

  • Hospital

    S-23

    Hospital

    Marks a hospital, and reminds you to take the care that being near medical premises calls for — above all, not making noise.

  • End of dipped-headlight requirement

    S-24

    End of dipped-headlight requirement

    The end of a stretch where at least dipped headlights were compulsory. You may switch them off, unless visibility, the time of day or the road's lighting still require them.

  • U-turn point, different level

    S-25

    U-turn point, different level

    An exit is coming up through which you can turn round at a different level.

  • Exit 300 m ahead

    S-26a

    Exit 300 m ahead

    On a motorway or dual carriageway, the next exit is roughly 300 m away. Where the exit is on the left, the diagonal runs down from left to right and the sign stands on the left of the carriageway.

  • Exit 200 m ahead

    S-26b

    Exit 200 m ahead

    On a motorway or dual carriageway, the next exit is roughly 200 m away. Where the exit is on the left, the diagonal runs down from left to right and the sign stands on the left of the carriageway.

  • Exit 100 m ahead

    S-26c

    Exit 100 m ahead

    On a motorway or dual carriageway, the next exit is roughly 100 m away. Where the exit is on the left, the diagonal runs down from left to right and the sign stands on the left of the carriageway.

  • Roadside assistance

    S-27

    Roadside assistance

    Marks the nearest SOS post or first-aid post from which you can call for help after a crash or a breakdown. The sign may give the distance to it.

  • Home zone (play street)

    S-28

    Home zone (play street)

    An area meant first of all for pedestrians, where special rules apply: vehicles are limited to 10 km/h and drivers must give way to pedestrians; vehicles may park only in places marked by signs or road markings; cycles and, where applicable, personal mobility vehicles may travel in both directions unless the competent authority decides otherwise; pedestrians may use the whole area, so pedestrian crossings are not marked; games and sports are allowed there. It always comes with an R-301 sign limiting speed to 10 km/h.

  • End of home zone

    S-29

    End of home zone

    The general traffic rules apply again.

  • Pedestrian zone

    S-30a

    Pedestrian zone

    An area reserved for pedestrian use.

  • End of pedestrian zone

    S-31a

    End of pedestrian zone

    The end of an area reserved for pedestrian use.

  • Electronic tolling available

    S-32

    Electronic tolling available

    A vehicle using the lanes marked this way may pay the toll by dynamic or electronic tolling, as well as by other means, provided it carries the equipment for it.

  • Shared foot and cycle path

    S-33

    Shared foot and cycle path

    A way for pedestrians, cycles and, where applicable, personal mobility vehicles, separated from motor traffic and usually running through open ground, parks, gardens or woodland, though outside built-up areas it may also run alongside the road. When people are walking on it, cycles and, where applicable, personal mobility vehicles must slow down so that everyone stays safe and can share the way. Pedestrians, likewise, must let cycles and, where applicable, personal mobility vehicles pass.

  • Lay-by

    S-34

    Lay-by

    Marks a place where you can pull over in an emergency to leave the way clear.

  • Tunnel lay-by with emergency phone

    S-34a

    Tunnel lay-by with emergency phone

    Marks a place in a tunnel where you can pull over in an emergency to leave the way clear, fitted with an emergency phone.

  • Cycle track

    S-35

    Cycle track

    A way meant for cycles; all other road users are barred from it.

  • End of cycle track

    S-36

    End of cycle track

    The end of a way meant for cycles.

  • Track for personal mobility vehicles

    S-37

    Track for personal mobility vehicles

    A way meant for personal mobility vehicles; all other road users are barred from it.

  • Track for cycles and personal mobility vehicles

    S-38

    Track for cycles and personal mobility vehicles

    A way meant for cycles and personal mobility vehicles; all other road users are barred from it.

  • End of track for personal mobility vehicles

    S-39

    End of track for personal mobility vehicles

    The end of a way meant for personal mobility vehicles, from which other road users were barred.

  • End of track for cycles and personal mobility vehicles

    S-40

    End of track for cycles and personal mobility vehicles

    The end of a way meant for cycles and personal mobility vehicles, from which other road users were barred.

  • Cycle and foot way, separated

    S-41

    Cycle and foot way, separated

    A way for cycles and pedestrians with separate space for each. The sign's layout may be adapted to how the spaces actually run.

  • End of separated cycle and foot way

    S-42

    End of separated cycle and foot way

    The end of a way for cycles and pedestrians with separate space for each. The sign's layout may be adapted to how the spaces actually run.

  • Cycle, personal mobility vehicle and foot way, separated

    S-43

    Cycle, personal mobility vehicle and foot way, separated

    A way for cycles, personal mobility vehicles and pedestrians, with the first two separated from pedestrians. The sign's layout may be adapted to how the spaces actually run.

  • End of separated cycle, personal mobility vehicle and foot way

    S-44

    End of separated cycle, personal mobility vehicle and foot way

    The end of a way for cycles, personal mobility vehicles and pedestrians, with the first two separated from pedestrians. The sign's layout may be adapted to how the spaces actually run.

  • Cycle crossing here

    S-45

    Cycle crossing here

    Marks where a cycle crossing is.

  • Pedestrian and cycle crossing here

    S-46

    Pedestrian and cycle crossing here

    Marks where a pedestrian crossing alongside or shared with a cycle crossing is.

  • Shared-space zone

    S-47

    Shared-space zone

    An area meant first of all for pedestrians, where special rules apply: vehicles are limited to 20 km/h; the space is shared between vehicles, cyclists and pedestrians; pedestrians have priority and may use the whole area, so pedestrian crossings are not marked; cycles and, where applicable, personal mobility vehicles may travel in both directions unless the competent authority decides otherwise; vehicles may park only in places marked by signs or road markings; games and sports are not allowed.

  • End of shared-space zone

    S-48

    End of shared-space zone

    The general traffic rules apply again.

  • Motorcycle or cycle advance box

    S-49

    Motorcycle or cycle advance box

    A waiting area before the stop line at a light-controlled junction, reserved for the vehicles shown on the sign — motorcycles, three-wheelers treated as motorcycles and mopeds (all three shown by the motorcycle pictogram), or cycles.

The definitions in the list follow the regulation's Spanish text. The introduction and the comparisons are ours.

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)

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