Internally illuminated LED Traffic Signs

Slim, Strong, Energy Saving

Energy Saving LED Internally Lit Signs

One2See Signs are working successfully with local authorities to provide energy saving LED internally lit 20mph signs to enable compliance with recent legislative changes.

The even illumination of the sign face assists in road safety whilst the LEDs save on maintenance, energy and reduce the carbon footprint. Consuming just 5.2 watts One2See signs provide a perfect environmental and visual solution.



The Tamar bridge

The Tamar bridge, adjacent to I. K. Brunel's more famous Royal Albert bridge, is a major road bridge at Saltash carrying traffic between Devon and Cornwall over the river Tamar. When it was opened in 1961 it was the longest suspension bridge in the UK and in 2001 became the world's first suspension bridge to be widened from three to five lanes using cantilevers.

One2See have recently provided a number of 600mm & 900mm internally lit LED signs complete with Harvard Leafnut CMS nodes to areas on both sides of the bridge. The clarity of the signs and energy savings achieved have been very well received by the Highways Agency in the area.



Bridge Height Signs from One2See

A number of local authorities have recently selected One2See bridge height signs to improve the safety for those driving underneath.

The LED signs provide increased safety by clearer illumination of the sign by illuminating the sign face, not the surrounding area resulting in visibility from a greater distance. Importantly as well as aiding safety the signs are a very environmentally friendly and energy efficient method of powering the traffic sign consuming just 5.2 watts of power, saving energy and reducing both the cost of maintenance and the carbon footprint.

Energy saving LED bridge height signs increasing safety by reducing costly bridge strikes



Heathrow Airport Solar LED Traffic Signs

One2See Signs in conjunction with Signature Ltd have recently completed a traffic sign replacement and illumination project at Heathrow Airport, for the British Airports Authority. Heathrow Airport is the UK's busiest airport, and the third busiest airport in the world in total passenger traffic, handling more international passengers than any other airport around the globe.

The LED signs provide increased safety by clearer illumination of the sign by illuminating the sign face, not the surrounding area resulting in visibility from a greater distance. Importantly as well as aiding safety the signs are a very environmentally friendly and energy efficient method of powering the traffic sign consuming just 5.2 watts of power, saving energy and reducing both the cost of maintenance and the carbon footprint.

The project, completed in September 2013, was to overhaul the majority of the traffic signs, posts and lighting, in and around the airport. Heathrow had a combination of illuminated and non-illuminated sites, with the focus of the project to illuminate all traffic signs, increasing safety and visibility for all airport users. A key aspect of the development was to overcome the challenge of powering an illuminated traffic sign at a site without an existing power supply, and without creating additional disruptive ground works.

The Solar Solution

The scope of the work was to install over 350 traffic signs with new posts, sign plate and illumination, as well as 20 illuminated traffic bollards. The airport is in operation 24hrs a day, therefore the work needed to be completed in sections over a 6-month period, to minimise disruption. For sites without an existing power supply, post mounted solar photovoltaic panels combined with batteries secured in the base were installed, providing a reliable power source to illuminate the traffic sign. This solution negated the need for additional ground works that would have been required if a mains powered solution had been adopted.

A total of 247 One2See internally illuminated LED traffic signs were installed to a mixture of solar and mains powered sites. One2See internally illuminated signs consume just 5.2 watts of power illuminating the sign face, not the surrounding area, delivering excellent visibility against busy or heavily illuminated backgrounds. The One2See sign was chosen for this project, as it is one of the slimmest internally illuminated traffic signs available at 75mm in depth, ensuring a streamlined solution for areas with minimal clearance around the post. Other Signature products including solar Trueflex traffic bollards and a combination of straight and cranked wide based posts used to mount the traffic signs, all manufactured at Signature's Post + Column production facility were also installed as part of the project.

The result is a very environmentally friendly and energy efficient method of powering the traffic sign, in and around Heathrow Airport.




The Queen Elizabeth Olympic Park selects One2See

The Queen Elizabeth Olympic Park in East London has selected One2See LED hoop bollards for many areas to provide clear visibility for visiting drivers whilst ensuring maximum energy saving.

The bollard hoops are manufactured from stainless steel that house aluminium sign units faced with TSRGD 610 Retro Reflective material.



Westminster City Council - Sign Review

Allan Howard BEng(Hons) CEng FILP(Technical Manager - Lighting WSP)

One2See LED energy efficient sign

Trial locations at Wilfred Street, Westminster, 'no entry' signs on the junction with Buckingham Gate and 'one-way' signs at the junction with Palace Street.

The images below show the trial installations of the latest One2See energy efficient LED internally illuminated signs installed at the locations indicated above. The signs only consume around 4 Watts of electricity which is around a third of next most energy efficient sign that we are aware of. As can be seen the lighting of the sign face has a high uniformity and whether it is viewed against a bright or dark back ground provides the information required without being too bright or too dull to be viewed against the background luminance levels.

The signs are also very slim in profile thus have a minimal day time visual impact on the street scene.


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