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Inspirational product design eMagazine

Sand Clock Concept for Traffic Lights

November 19, 2010



A new look at traffic lights by designer Thanva Tivawong called The Sand Glass is using the sand-hour-glass as its model. LED lights trickle down to make an obvious statement, regarding the time left for the lights to change. Easy and intuitive.

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4 Comments to "Sand Clock Concept for Traffic Lights"

1 | Just a thought

20 de November de 2010 to ● 1:29 AM

At first glance, this looks quite nice.

Unfortunately, it doesn’t keep in mind the fact that there are people who are colour blind (in many cases red can’t be distinguished from green).

With regular traffic light colour blind people know the ‘colour’ by the position of the lights (top or bottom).

2 | shuki

20 de November de 2010 to ● 2:50 AM

This design is not colorblind-friendly…
Many colorblind people have trouble telling green and red apart.
In the original design this is solved using the location of the lights – red on top, green on the bottom.

3 | Unadapted

12 de December de 2010 to ● 6:18 AM

Excellent idea !!

4 | Doron

10 de March de 2011 to ● 8:44 AM

The point made here about the color blind should be addressed. Perhaps add these “Go!, Stop, Wait” labels as described in the “How it works” section ? Hmmm…

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