RalentisseurPologne

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


14. 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 Pologne 2 Autoroute 3 Voie rapide 4 Zone résidentielle 5 Agglomération 6 Zone 7 Limitation de vitesse 8 Chemin piéton 9 Piste cyclable 10 Chemin partagé 11 Chemin séparé 12 Avertissement piétons 13 Tunnel 14 Ralentisseur 15 Route à péage 16 Douane 17 Circulation à sens unique 18 Quai 19 Pente 20 Voie de bus 21 Arrêt de bus 22 Impasse 23 Panneau Stop 24 Cédez le passage 25 Rond-point 26 Route prioritaire 27 Rétrécissement de chaussée 28 Priorité sur la circulation venant en sens inverse 29 Cédez le passage à la circulation venant en sens inverse 30 Passage pour piétons 31 Passage à niveau 32 Direction obligatoire 33 Interdiction de tourner 34 Zone scolaire 35 Dépassement 36 Traversée d’animaux 37 Virage 38 Chevron 39 Circulation à contresens 40 Travaux routiers 41 Limitation de hauteur 42 Limitation de poids 43 Panneau de contrôle radar 44 Priorité au prochain carrefour 45 Feux de circulation 46 Avertissement de feux de circulation 47 Feux pour piétons 48 Marquages routiers 49 Schéma de carrefour 50 Permis de conduire 51 Miroir routier 52 Frontière internationale 53 Passage souterrain pour piétons 54 Itinéraire cyclable 55 Stationnement 56 Stationnement interdit 57 Arrêt interdit 58 Parc relais 59 Dépose-minute 60 Stationnement pour personnes handicapées 61 Gestion du trafic 62 Insertion 63 Marche arrière 64 Demi-tour 65 État de la chaussée 66 Permis provisoire 67 Marchandises dangereuses 68 Service radio 69 Attraction touristique 70 Klaxon 71 Plaque d’immatriculation 72 Station de recharge 73 Dangers 74 Sécurité ferroviaire 75 Piéton 76 Cycliste 77 Voiture 78 Camion 79 Autobus 80 Police 81 Ambulance 82 Taxi 83 Norme européenne d’émissions 84 Voie publique 85 Nid-de-poule 86 Propriété privée 87 Chemin 88 Particules 89 Pollution de l’air 90 Heure de pointe 91 Code de la route 92 Circulation à double sens 93 Caniveau 94 Vélo cargo 95 Véhicule forestier 96 Véhicule de chantier 97 Ensemble semi-remorque 98 Trolleybus 99 Speed pedelec 100 Véhicule de livraison ...