<s>
Smart	B-Device
traffic	I-Device
lights	I-Device
or	O
Intelligent	O
traffic	O
lights	O
are	O
a	O
vehicle	O
traffic	O
control	O
system	O
that	O
combines	O
traditional	O
traffic	O
lights	O
with	O
an	O
array	O
of	O
sensors	O
and	O
artificial	B-Application
intelligence	I-Application
to	O
intelligently	O
route	O
vehicle	O
and	O
pedestrian	O
traffic	O
.	O
</s>
<s>
Unlike	O
other	O
dynamic	O
control	O
signals	O
that	O
adjust	O
the	O
timing	O
and	O
phasing	O
of	O
lights	O
according	O
to	O
limits	O
that	O
are	O
set	O
in	O
controller	O
programming	O
,	O
this	O
system	O
combines	O
existing	O
technology	O
with	O
artificial	B-Application
intelligence	I-Application
.	I-Application
</s>
<s>
Romanian	O
and	O
US	O
research	O
teams	O
believe	O
that	O
the	O
time	O
spent	O
by	O
motorists	O
waiting	O
for	O
lights	O
to	O
change	O
could	O
be	O
reduced	O
by	O
over	O
28%	O
with	O
the	O
introduction	O
of	O
smart	B-Device
traffic	I-Device
lights	I-Device
,	O
and	O
that	O
CO2	O
emissions	O
could	O
be	O
cut	O
by	O
as	O
much	O
as	O
6.5	O
%	O
.	O
</s>
<s>
A	O
major	O
use	O
of	O
Smart	B-Device
traffic	I-Device
lights	I-Device
could	O
be	O
as	O
part	O
of	O
public	O
transport	O
systems	O
.	O
</s>
<s>
This	O
means	O
that	O
the	O
adoption	O
of	O
smart	B-Device
traffic	I-Device
lights	I-Device
around	O
the	O
world	O
could	O
be	O
started	O
as	O
soon	O
as	O
a	O
reasonable	O
minority	O
of	O
vehicles	O
were	O
fitted	O
with	O
the	O
technology	O
to	O
communicate	O
with	O
the	O
computers	O
that	O
control	O
the	O
signals	O
,	O
rather	O
than	O
having	O
to	O
wait	O
until	O
the	O
majority	O
of	O
cars	O
had	O
such	O
technology	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
findings	O
of	O
the	O
Romanian	O
and	O
US	O
researchers	O
mentioned	O
above	O
,	O
scientists	O
in	O
Dresden	O
,	O
Germany	O
came	O
to	O
the	O
conclusion	O
that	O
smart	B-Device
traffic	I-Device
lights	I-Device
could	O
handle	O
their	O
task	O
more	O
efficiently	O
without	O
human	O
interface	O
.	O
</s>
