RalentisseurTchéquie

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


12. 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.

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 Tchéquie 2 Autoroute 3 Zone résidentielle 4 Zone 5 Limitation de vitesse 6 Vitesse conseillée 7 Chemin piéton 8 Piste cyclable 9 Chemin partagé 10 Avertissement piétons 11 Zone piétonne 12 Ralentisseur 13 Douane 14 Pente 15 Voie de bus 16 Arrêt de bus 17 Impasse 18 Panneau Stop 19 Cédez le passage 20 Rond-point 21 Route prioritaire 22 Rétrécissement de chaussée 23 Priorité sur la circulation venant en sens inverse 24 Cédez le passage à la circulation venant en sens inverse 25 Passage pour piétons 26 Passage à niveau 27 Zone scolaire 28 Traversée d’animaux 29 Chaussée glissante 30 Aéronefs 31 Virage 32 Chevron 33 Circulation à contresens 34 Travaux routiers 35 Limitation de hauteur 36 Limitation de poids 37 Panneau de contrôle radar 38 Barrières sélectives 39 Priorité au prochain carrefour 40 Feux de circulation 41 Avertissement de feux de circulation 42 Feux pour piétons 43 Marquages routiers 44 Schéma de carrefour 45 Sas vélo 46 Affichage de vitesse 47 Repère de localisation 48 Balises de compte à rebours 49 Miroir routier 50 Téléphone d’urgence 51 Frontière internationale 52 Passage souterrain pour piétons 53 Itinéraire cyclable 54 Stationnement 55 Stationnement interdit 56 Arrêt interdit 57 Parc relais 58 Dépose-minute 59 Stationnement pour personnes handicapées 60 Gestion du trafic 61 Marche arrière 62 État de la chaussée 63 Permis provisoire 64 Marchandises dangereuses 65 Voie de détresse 66 Attraction touristique 67 Limite de charge par essieu 68 Plaque d’immatriculation 69 Station de recharge 70 Dangers 71 Cycliste 72 Autobus 73 Police 74 Ambulance 75 Taxi 76 Signaux de police 77 Norme européenne d’émissions 78 Nid-de-poule 79 Chemin 80 Particules 81 Pollution de l’air 82 Heure de pointe 83 Code de la route 84 Gare ferroviaire 85 Caniveau 86 Vélo cargo 87 Véhicule forestier 88 Véhicule de chantier 89 Ensemble semi-remorque 90 Trolleybus 91 Speed pedelec 92 Véhicule de livraison 93 Moteur au ralenti 94 Dépanneuse 95 Quatre roues motrices 96 Accès interdit à tous les véhicules 97 Vélo 98 Équipement de moto 99 Tram 100 Voie ferrée ...