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LED traffic light
made to order by customer request. |
Introduce for LED
traffic light:
LED Traffic light
for vehicles usually contain three lamps: red, orange or
yellow (officially amber), and green. In some systems, a
flashing amber means that a motorist may go ahead with
care if the road is clear, giving way to pedestrians and
to other road vehicles that may have priority. A
flashing red is treated as a regular stop sign.
LED Traffic light
for pedestrians normally have two main lights—a red
light that means 'stop' and a green (or sometimes white)
light that means 'go' (or, more correctly, 'proceed with
caution'). There is usually a flashing red phase that
means 'complete your crossing'.
The use of these colors are thought to originate from
nautical right-of-way. Usually, the red light contains
some orange in its hue, and the green light contains
some blue, to provide some support for people with
red-green color blindness.
LED Traffic light
for special vehicles (such as buses or trams) may use
other system, such as vertical vs. horizontal bars of
white light.
In most countries, the sequence is green (go), amber
(prepare to stop), and red (stop). In most systems,
however, when red changes to green, both red and amber
are lit. It is customary for drivers to select neutral
and/or use the handbrake at red lights; the additional
phase gives the driver time to select first gear or
release the handbrake before the light turns green).
In the UK, New Zealand and Canada, amber officially
means 'stop (unless it would cause an accident to do
so)' but in practice, is treated as 'prepare to stop'.
In Russia and Serbia, the green light flashes for a few
seconds before the amber light comes on. The single
flashing amber signal is used in the UK, Ireland and
Australia at Pelican crossings. Also it is used in
Serbia to mark places where greater attention is needed
(dangerous crossings, sharp curves etc.). |
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