We all gaze upon the humble traffic light nearly every time we climb
into a car and take a journey, whether it’s down the street for a jug of
milk or across the country for a great adventure. Around the world, the
design is remarkably standardized, deviating only a little from one
continent to the next. But is the familiar design really the best
design? Or is the traffic light due for an overhaul? According to the
designers behind these concepts, there is a way to improve on that most
recognizable of urban landmarks.
The Colorblind-Friendly UNISignal
(image via: Dornob)
For people who have trouble discerning the difference between red and
green, stoplights can be daily challenges. Particularly in places where
the stoplights are situated horizontally, telling the difference
between “stop” and “go” can be far from intuitive.
This concept
from four innovative designers would use shapes along with colors to
give traffic directions, thereby eliminating any confusion about whose
turn it is to go.
Control Safety Traffic Light
When traffic lights were invented, there were serious limitations on
their functions based on the materials that were available. Today, LEDs
can do so much more than the light bulbs of previous generations, giving
traffic lights almost unlimited potential.
This traffic light concept
would give speed limit and road condition information to waiting
motorists while displaying a special “emergency” signal for approaching
emergency vehicles, telling all other traffic to halt and let the
emergency vehicles go by.
The Eko Stoplight
Designer Damjan Stankovic believes that we can go a little way toward
saving the world if we stop idling our cars for so long at stop lights.
And how would we accomplish this feat? By knowing exactly how long we
have to wait at red lights, of course. His timed stop light concept
would tell drivers exactly how long remains until the light turns green,
giving them time to shut off their engines and wait patiently or
prepare to race ahead.
IBM’s Controlling Concept
IBM wants to employ the same concept as the Eko Stoplight, but without relying on drivers to make any decisions. Their
recently patented idea
would actually control the engines of participating cars, shutting them
off at long lights and allowing them to start again once the light
changed. In addition to saving on gas at long lights, the system could
potentially prevent accidents in people who choose to run red lights or
simply get impatient and creep too far out into the intersection while
waiting. Of course, not everyone would be excited about the prospect of
handing over control of their car engines to stoplights, but for now
this patent refers only to a theoretical application.
The Luxofor Traffic Light
(image via: Wired)
Russian design studio Art Lebedev has come up with an elegantly
simple redesign of the traffic light, one that doesn’t rely on gimmicks
or technology. Their
Luxofor Traffic Light
would feature square lenses rather than round ones since the round
lenses are no longer necessary (they were designed to be used with
bulbs, not the LEDs we use today). The shape would allow more visible
area for the signal, thereby making the traffic lights easier for
motorists to read.
Hourglass Traffic Lights
In the belief that knowledge is power,
this traffic light concept
tells motorists exactly how long is left before the light changes to
its next phase. Cycling through the regular green, amber and red phases,
the lights are arranged in an hourglass shape that “empties” from top
to bottom to display just how much time remains until the next color in
the cycle. This concept would be an absolute disaster for colorblind
drivers, but it’s a fun rethinking of this classic design.
Solar-Powered Four-Way Traffic Lights
Pedestrians are often faced with danger when trying to cross the street in busy urban areas, so designer
Hojoon Lim
devised a new type of solar-powered traffic symbol that would keep
pedestrians and cars out of each other’s way. The system consists of
four signals at each intersection in the shape of a square. Whichever
side has to wait for the moment is greeted with a thin laser signal
blocking the way, giving a harmless visual cue that is perhaps a little
harder to ignore than the standard red light.
The Marshalite
Of course, many of these fancy electronic designs have a classic design to thank for their inspiration.
The Marshalite
was invented by Charles Marshall in 1936 and employed a mechanical
pointer to indicate what the cars should be doing at any given time.
Thanks to the sweeping hand that moved at a predictable speed across the
colored segments, motorists knew exactly how long remained until the
signal changed. The Marshalite was used in Australia until the 1970s,
but its design influence can still be felt today.
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