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What is Solar LED Road Stud? 4 Important Points

LED road stud

What is Solar LED Road Stud?

Traditionally road edges are delineated with road studs and road markings to inform drivers to drive along the lanes. But with the passage of time and irregular maintenance, the road studs become less visible in dark hours and as a result, creates black spots along the road and raise the risk of road accidents.

Also, on busy roads, its hard to see those delineation marker studs easily, the same applies to rainy and wet nights. So, what is the solution?

Solar LED Road Studs are programmed switch-controlled studs through solar panel (with back-up battery options) and Led circuit networking that provides bright lane delineation and a clear path to all road users. It is also very useful in an urban setting when pedestrian crossing needs clear and bright delineation for pedestrian as well as vehicular traffic benefits.

These studs are high powered (charged with solar lights) LED studs and highly reflective (clearly visible from approx. 900m to 1200m distance), 10 to 12 times more reflection than tradition studs.

How do solar LED road studs work?

The solar-powered road studs are made of solar panel, LED chips and accumulators. The panels are placed on the top of the stud to receive sunlight to transmute it to electrical energy and saved in the accumulator. The LED studs are placed on two sides facing the vehicle to reflect the LED lights.

The photoelectric switches are used to transmit the LED light through the studs to delineate the road edges. There are two key locations where solar-powered studs are commonly used for road delineation purposes, first along the centre line of the road and second along the road edges.

The studs are needed to have an adequate load-bearing capacity for heavy vehicles, they need to be buried on top of the road surface with a 5mm to 8mm upstand. If it is placed correctly, the service life of road studs is 7-9 years with minimum maintenance requirement. The adequately placed solar LED studs provide very high reflection and drivers get approx. 25 to 30 seconds of reaction times to control the vehicle and maneuverer the vehicle accordingly.

What are the colours of LED road studs?

Road studs are made in five types of LED colours and all five are made for different positions on the road and serve a different purpose.

Green LED Road Studs:

Green road studs are provided along the slip road coming on or off the motorways. They are also provided along with the lay-by location. This will inform the drivers to leave the motorway at exit points or join the motorway at the entry point through slip roads.

Red LED Road Studs:

Red Road Studs are provided along the nearside of the road means, along the left side of the road (between the road and hard shoulder or hard strip). Red road studs inform the driver about the end of the road edge and the start of the hard shoulder.

Amber LED Road Studs:

Amber Road Studs are provided along with the offside the road means, along the right side of the dual carriageway road or motorway (between the road and hard strip of the central median). The amber road studs inform the drivers about the end of the road edge and the start of the central median.

White LED Road Studs:

White Road Studs are provided in between the lanes in case of dual carriageway or motorway. The white road studs inform the drivers to stay in the lane. it also informs the drivers about the overtaking opportunities if it is safe to do so.

Yellow LED Road Studs during Temporary Traffic Diversion:

Fluorescent yellow road studs are provided during the temporary traffic diversion when there are construction or maintenance activities taking place. These yellow road studs are placed to inform drivers about the adjustment along the road due to the road diversion. It is also very common to place low-speed temporary signs in those sections of the road.

road lighting design software

Solar LED Studs Across the Pedestrian Crossing:

Solar Led Studs are also very useful to provide the pedestrian crossing in urban streets. Conventional studs across the crossing are directly influenced by the headlights of the vehicle and sometimes don’t perform efficiently.

But solar LED Studs to receive power by small solar panel fitted at the top of the stud, so they are not dependent on the vehicular light to reflect the delineation.

I hope the blog provides you with in-depth knowledge of solar LED studs and their usage. Please feel free to like, share and comment.


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