RalentisseurBrésil

Apprenez les règles de circulation avec des explications claires et des exemples visuels dans notre livre illustré, simple et agréable à étudier.


3. Ralentisseur

Un ralentisseur est un dispositif surélevé de modération de la circulation placé sur tout ou partie d’une route afin d’obliger les conducteurs à réduire leur vitesse. Il est couramment utilisé près des habitations, écoles, passages, zones de stationnement et autres lieux où une faible vitesse est importante.

Les ralentisseurs varient par leur forme, leur hauteur et leur statut juridique. Les conducteurs doivent les aborder à une vitesse faible et maîtrisée et respecter les panneaux d’avertissement ou limitations de vitesse applicables.

Ralentisseur
What is the purpose of a speed bump?

A speed bump is intended to physically reduce vehicle speeds. It encourages drivers to slow down in places where pedestrians, cyclists, children or local traffic may be present.

How can you recognise a speed bump?

A speed bump is a raised section extending across all or part of the road. It may be marked with contrasting paint, road markings or warning signs to make it more visible.

Is a speed bump the same as a speed table?

No. A speed bump or speed hump normally has a rounded profile. A speed table has ramps leading to a longer, flat raised section that may contain an intersection or pedestrian crossing.

Is a speed cushion the same as a speed bump?

No. A speed cushion is a narrower raised device that does not cover the full width of a traffic lane. Its design may allow buses and emergency vehicles to pass with less disturbance while still slowing smaller vehicles.

Is there a universal speed limit over a speed bump?

No. The legal speed depends on the country, traffic signs and road type. Even when no special limit applies, drivers must cross the device at a speed that is safe for the road, vehicle and passengers.

How should you approach a speed bump?

Check surrounding traffic, reduce your speed smoothly and approach in a straight line where possible. Avoid sudden braking immediately before the bump.

Should you brake while crossing a speed bump?

Most of the necessary braking should be completed before reaching the raised surface. Cross at a steady, low speed and avoid harsh braking or acceleration while the wheels are on the device.

Should you drive across a speed bump at an angle?

Normally not. Cross in the normal direction of the traffic lane unless the road layout requires otherwise. Driving diagonally may place the vehicle in the path of approaching or overtaking traffic.

May motorcycles and bicycles use a speed bump?

Yes. Riders should reduce speed, keep the vehicle stable and cross as directly as possible. Painted or wet raised surfaces may provide less grip.

Do pedestrians have priority at a speed bump?

Not automatically. A speed bump does not by itself create a pedestrian crossing. Pedestrian priority depends on crossings, traffic signals, signs and local law.

Does a speed bump change priority at an intersection?

No. The presence of a raised surface does not normally change the priority rules. Drivers must continue to follow traffic signs, signals and the ordinary intersection rules.

May you overtake on a speed bump?

Overtaking may be restricted by local law or signs. Even where it is not expressly prohibited, drivers should avoid overtaking when the raised surface, limited space or nearby vulnerable road users make the manoeuvre unsafe.

May you stop or park on a speed bump?

This depends on local law. Stopping or parking may be prohibited because the vehicle could obstruct visibility, traffic flow or the purpose of the traffic-calming device.

Can a speed bump damage a vehicle?

A correctly designed speed bump should be crossed safely at an appropriate speed. Crossing too quickly may damage tyres, wheels, suspension, bodywork or cargo and may cause passengers discomfort.

Does the road speed limit change after a speed bump?

Not necessarily. A special limit may apply only to the raised device, while a signed speed restriction or speed zone may continue beyond it. Drivers must follow the applicable signs and local rules.

Why do buses and emergency vehicles sometimes avoid speed bumps?

Raised devices can affect passenger comfort, emergency response and large vehicles. Some roads therefore use speed tables, cushions or other traffic-calming measures designed to reduce these effects.

1 Brésil 2 Limitation de vitesse 3 Ralentisseur 4 Pente 5 Panneau Stop 6 Rond-point 7 Passage pour piétons 8 Passage à niveau 9 Interdiction de tourner 10 Zone scolaire 11 Feux de circulation 12 Avertissement de feux de circulation 13 Feux pour piétons 14 Permis de conduire 15 Repère de localisation 16 Arrêt interdit 17 Stationnement pour personnes handicapées 18 Marche arrière 19 Chargement surdimensionné 20 Attraction touristique 21 Klaxon 22 Station de recharge 23 Cycliste 24 Autobus 25 Police 26 Ambulance 27 Nid-de-poule 28 Chemin 29 Particules 30 Pollution de l’air 31 Heure de pointe 32 Code de la route 33 Circulation à double sens 34 Caniveau 35 Vélo cargo 36 Véhicule forestier 37 Véhicule de chantier 38 Ensemble semi-remorque 39 Trolleybus 40 Speed pedelec 41 Véhicule de livraison 42 Moteur au ralenti 43 Dépanneuse 44 Quatre roues motrices 45 Vélo 46 Équipement de moto 47 Tram 48 Voie ferrée 49 Caravane 50 Remorque 51 Attelage 52 Camion de pompiers 53 Sirène 54 Convoi 55 Feux des véhicules d’urgence 56 Machines agricoles 57 Vélo électrique 58 Véhicule électrique 59 Pedelec 60 Quadricycle 61 Voiturette 62 Véhicule tout-terrain 63 Fourgonnette 64 Véhicule de loisirs 65 Scooter 66 Trikke 67 Engin de déplacement personnel 68 Skateboard 69 Segway 70 Trottinette 71 Patins à roulettes 72 Facteur 73 Auto-stoppeur 74 Jeune enfant 75 Enfant 76 Handicap 77 Train-auto 78 km/h 79 mph 80 Compteur de vitesse 81 Hauteur de caisse 82 Route en terre 83 Conduite 84 Système Stop & Start 85 Boîte de vitesses manuelle 86 Boîte de vitesses automatique 87 Commande des gaz 88 Compte-tours 89 Volant 90 Direction assistée 91 Balayage visuel 92 Rétroviseur 93 Carburant 94 Jauge de carburant 95 Essence 96 Diesel 97 Liquide d’échappement diesel 98 Assurance automobile 99 Trousse de premiers secours 100 Extincteur ...