RalentisseurCanada

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


8. 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 Canada 2 Autoroute 3 Limitation de vitesse 4 Vitesse conseillée 5 Piste cyclable 6 Avertissement piétons 7 Pont 8 Ralentisseur 9 Route à péage 10 Circulation à sens unique 11 Voie de bus 12 Arrêt de bus 13 Impasse 14 Panneau Stop 15 Cédez le passage 16 Rond-point 17 Rétrécissement de chaussée 18 Passage pour piétons 19 Passage à niveau 20 Direction obligatoire 21 Interdiction de tourner 22 Zone scolaire 23 Traversée d’animaux 24 Chaussée glissante 25 Chutes de pierres 26 Virage 27 Circulation à contresens 28 Travaux routiers 29 Limitation de hauteur 30 Limitation de poids 31 Panneau de contrôle radar 32 Barrières sélectives 33 Priorité au prochain carrefour 34 Feux de circulation 35 Avertissement de feux de circulation 36 Feux pour piétons 37 Stop à toutes les branches 38 Téléphone d’urgence 39 Stationnement interdit 40 Arrêt interdit 41 Stationnement en créneau 42 Stationnement pour personnes handicapées 43 Gestion du trafic 44 Marche arrière 45 Demi-tour 46 Déviation 47 Carrefour non réglementé 48 État de la chaussée 49 Bande d’arrêt d’urgence 50 Permis provisoire 51 Limite d’agglomération 52 Route fermée 53 Plaque d’immatriculation 54 Station de recharge 55 Piéton 56 Autobus 57 Police 58 Ambulance 59 Taxi 60 Suivre de trop près 61 Nid-de-poule 62 Chemin 63 Particules 64 Pollution de l’air 65 Heure de pointe 66 Code de la route 67 Voie réversible 68 Caniveau 69 Vélo cargo 70 Véhicule forestier 71 Véhicule de chantier 72 Ensemble semi-remorque 73 Trolleybus 74 Speed pedelec 75 Véhicule de livraison 76 Moteur au ralenti 77 Dépanneuse 78 Quatre roues motrices 79 Vélo 80 Équipement de moto 81 Voie ferrée 82 Caravane 83 Remorque 84 Attelage 85 Camion de pompiers 86 Sirène 87 Convoi 88 Feux des véhicules d’urgence 89 Machines agricoles 90 Vélo électrique 91 Véhicule électrique 92 Pedelec 93 Quadricycle 94 Voiturette 95 Véhicule tout-terrain 96 Fourgonnette 97 Véhicule de loisirs 98 Scooter 99 Trikke 100 Engin de déplacement personnel ...