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Barriers on Roads for Improving Safety

Author: Hitesh Lunia
by Hitesh Lunia
Posted: Feb 10, 2019

Roadside barriers are constructed with the idea of reducing on-road fatalities. All road barriers are one of the three types - cable, steel, or concrete. Concrete barriers are the most common type. They are popular because it is easy to maintain, effective, and rigid in construction. Steel barriers are in the form of a metal beam shaped like a W that deforms on impact absorbing the shock and protecting the vehicle and its passengers.

Types of Barriers in Use

Rope-like cable is also used in some stretches of the highway. These are useful for preventing off-road crashes and cross-over crashes. They are made of tensioned steel and serve to reduce the force of the impact by slowing the speeding vehicle. One of the reasons for its popularity is that it gives good visibility of the road and so travelers are able to get a better perspective while driving.

Median and Roadside Barriers

Most barriers are either median type or roadside barriers. The most common type is a metal beam crash barrier in Bagalkot. Median barriers stop vehicles going in opposite directions from colliding into each other. This keeps motorists safe from head-on collisions. When you have natural or man-made obstructions on the outer side of a road, you use roadside barriers to prevent a vehicle from colliding with it. This barrier stops the vehicle from leaving the road. This is needed when there is a sharp curve in the road or there is an object by the side of the road that is not normal under standard conditions.

Qualities Needed for Deployment

The barriers must fulfill road safety standard specification such as NHAI, MOST, and AASHTO M 180. In addition, they must have qualities such as those given below:

  • Must be made from strong, durable material.

  • Method of deployment must give maximum safety.

  • It must be easy to deploy and repair the crash barrier.

  • They must have economic viability.

Before you order these crash barriers, you must check the manufacturing process to make sure that it is following industry standards. Also, the metal beam crash barrier must give enough choices so you can pick the right one for your crash site.

Check for Compliance

It is important to road-test the barriers before we deploy them. For this, an actual vehicle with a designated weight is used. They are run full tilt at the barrier and then the effect of the impact is studied. The factors that come into consideration include the distance of the barrier from the roadside, the type of soil next to the road, the slope of the ground before the barrier, and speed of the vehicle as it hit the barrier.

Road guard rails help to prevent the vehicle from going over an embankment or bridge by stopping the motion of the vehicle. It softens the impact so that fatalities are avoided. The damage to the vehicle is minimized and so the cost due to the accident is also less. Check with the supplier for choices in guardrails. It will be to your advantage if you have a reliable supplier that has good quality safety barriers. You find this in use at many places such as airports, racing tracks, worksites, and school zones.

About the Author

Om Wire & Wire Products Industries leading Concertina Wire Manufacturers, Exporters & Suppliers in Kolkata, deals in Shuttering Materials, Scaffolding Materials and so on.

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Author: Hitesh Lunia

Hitesh Lunia

Member since: Oct 27, 2017
Published articles: 15

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