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8 types de séparateurs de voies, panneaux, dimensions et fournisseurs

What is divider in road? A road divider is a barrier in the middle of the road. Basically, it separates traffic that moves in opposite directions. These dividers lowers the risk of head on collisions.

In this article, you will know all the main types of road dividers. Furthermore, you will understand their dimensions and price.

Permanent Road Dividers

Permanent road dividers are installed on roads for a long time. Therefore, they are common on highways, main roads plus busy areas. These dividers are designed with strong material which make them durable for high traffic.

Permanent Road Divider
Permanent Road Divider

Road Divider Bollard

A road divider bollard is a short vertical post on the road. It is made up of TPU, PU, metal or steel. You see it on city roads and near turns. It blocks wrong entry and controls your lane. It also adds clear visual warning for drivers with bandes réfléchissantes on it. Their height is almost 30 inches. These permanent bollards are installed with the help of anchors or bolts.

Road Divider Bollard
Road Divider Bollard

Road Divider Lines

Well, these lines are painted markings on the road. It is made up of reflective paint or thermoplastic material. These lines are mainly used to guide you about the traffic separation.

But you will also see these painted lines on the sides of the roads as well. It also gives clear visual direction to drivers. Usually, the width of these lines is 4 to 6 inches. These permanent lines are applied with the help of machines de marquage routier.

Road Divider Lines
Road Divider Lines

Road Divider Light

Road divider lights are built in various shapes to give clear visual guidance to you. These shapes include rectangular or cylindrical. You should use aluminum, steel & high-quality plastic in their manufacturing. These lights are installed in the center of the curb divider (a short heighted concrete barrier).

Many designs now use reflective or LED lights. They are bright and long-lasting that inform you about lanes clearly at night or in low visibility.

Road Divider Light
Road Divider Light

Road Divider Concrete

Road divider concrete uses solid concrete blocks. It can stop vehicles from crossing into opposite lanes. These dividers are fixed to the ground and provide strong and permanent protection. Further, they can withstand impacts from vehicles at normal city and highway speeds.

During an accident, the concrete absorbs some impact and holds vehicles in their lane. However, unlike some barrières de sécurité, they do not redirect your vehicle back onto the road.

Road Divider Concrete
Road Divider Concrete

Road Divider Metal

If we talk about road divider metal, they are fixed safety systems. These structures protect lanes and separate opposite traffic. For example, during minor impacts they let vehicles slide along them without causing severe accidents.

This design absorbs some impact energy over distance. In this way it reduces the risk of damage. However, you need proper installation of the metal divider on a solid base.

Road Divider Metal
Road Divider Metal

Temporary Road Dividers

Temporary road dividers are movable barriers used for short-term traffic control. You see them at construction sites or on road works. Some common divider that are used for this purpose are:

Plastic Road Divider 

The plastic road divider uses durable plastic barriers. Sometimes, these dividers are filled with water or sand. That’s why they are also called water or sand-filled plastic dividers. You can place these dividers in a straight line or zigzag pattern for better lane control.

So, in case of minor impacts, the vehicle pushes against the dividers. The divider absorbs energy and slows it down. It is the place where traffic needs temporary guidance and safety.

Plastic Road Divider
Plastic Road Divider

Road Divider Cone

This is a temporary and movable system which is placed to guide traffic safely during short-term works. Unlike plastic barriers, vehicles can move around them without hitting a fixed structure. You can use these cones to manage lanes at roads near construction sites and at detours.

Road Divider Cone
Road Divider Cone

Road Divider Blocks

As its name shows, these road divider blocks are solid barriers placed on roads where construction is happening. These blocks work as movable but sturdy barriers to separate traffic safely.

Remember, you can reposition the blocks easily when traffic patterns change. In some areas, these dividers provide strong protection and cost less compared to permanent dividers.

Road Divider Blocks
Road Divider Blocks

Dimensions du séparateur de route

Road Divider Size

There are mainly three sizes of road dividers in the market: small, medium & large. You can find small dividers for city streets and parking areas. Medium dividers are common on busy urban roads and intersections.

Large dividers are used on highways and high-speed roads for maximum safety. These sizes help you control traffic flow and separate lanes.

Road Divider Height

The height of a road divider depends on type and purpose. You can find and place dividers in these given heights.

  • You can buy low-profile mountable dividers from 100 to 150 mm.
  • While concrete safety barriers are 600 to 900 mm high.
  • Common RCC dividers are 600 to 800 mm.
  • Jersey barriers on highways are around 800 to 900 mm (32 to 35 inches) to prevent head-on collisions and reduce glare.
  • Parabolic dividers are usually 650 to 750 mm high.
  • Temporary plastic or water-filled dividers often measure 780–850 mm.
  • Low or mountable kerbs are about 70 to 80 mm.
  • Higher dividers (around 1 meter) are used to deter pedestrian crossing in certain areas.

Road Divider Width

The width of a road divider also varies according to your location and traffic fall.

  • A small portable barrier can range from 100 to 250 mm in width.
  • Standard concrete median barriers are typically 24 inches (0.6 m) wide.
  • For urban roads, minimum widths of dividers are often 0.5 to 0.8 meters.
  • If you are placing highway medians for safety, especially without barriers. You should keep the width over 30 feet.
  • Some grassed medians can span several meters to separate lanes and reduce accidents.

Road Divider Sign

A divider sign on the road is a panneau de signalisation that warns you about a divider ahead. It shows you two arrows pointing in opposite directions. There is a divider symbol in the middle of these arrows. This sign tells you that traffic is split and you must remain in your lane.

The sign is rectangular or diamond-shaped with bright colors like yellow or white. It often has reflective surfaces. So, you can see it clearly at night or in fog. You should slow down and follow the arrows to safely pass the dividers.

Road Divider Supplier

Are you searching for the best supplier of road dividers? JACKWIN is a reliable company that can supply any type of road divider for you. Our products are strong plus easy to install. You can choose us because we have our own manufacturing units. That is why we provide you with the best quality at a reasonable price.

Road Divider Price

Séparateur de route Coût approximatif
Plastic Road Divider $4 to $5
Plastic Divider Bollards $3 to $17
Temporary Divider Cones $1 to $7
Metal Bollard Dividers $80 to $150
Concrete Curb divider $1200 for one piece

Conclusion

You can see road dividers are important to make our roads safe and organized. You must buy dividers according to the type of your road and traffic speed. Try to select a high quality divider that works for a long time. As a driver, when you see a divider sign slow down your car.

Contactez notre équipe for further guidance and top-quality customized road safety products for your project.

FAQ

What is a Road Divider Machine?

A road divider machine is a special machine used to install or create dividers on the road. You see it during road construction or lane separation work. It places concrete or markings in a straight and accurate line. This machine saves time and makes your road work clean and uniform.

How Long are the Lane Dividers on the Highway?

On highways, lane divider markings follow a fixed pattern. For example, in the United States dashed white lane markers are 10 feet long. Each dash has a 30-foot gap. This gap creates a 40-foot repeating pattern. You may find these lines often look only 2 to 4 feet long due to visual illusion.

Related topics:

What is a Traffic Barrier? Types, Colors, Uses & Regulations

Types de barrières anti-collision : Guide complet 2026

How Much Does A Traffic Cone Cost?

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