<s>
A	O
mobile	B-Algorithm
speed	I-Algorithm
camera	I-Algorithm
is	O
speed	O
limit	O
enforcement	O
device	O
used	O
in	O
Australia	O
,	O
France	O
,	O
India	O
,	O
and	O
the	O
United	O
Kingdom	O
to	O
refer	O
to	O
a	O
road	O
vehicle	O
fitted	O
with	O
speed	B-General_Concept
camera	I-General_Concept
equipment	O
which	O
can	O
park	O
at	O
the	O
side	O
of	O
the	O
road	O
,	O
or	O
on	O
overbridges	O
to	O
monitor	O
the	O
speed	O
of	O
passing	O
traffic	O
.	O
</s>
<s>
Mobile	B-Algorithm
speed	I-Algorithm
cameras	I-Algorithm
come	O
in	O
many	O
shapes	O
,	O
sizes	O
and	O
colour	O
schemes	O
.	O
</s>
<s>
Generally	O
there	O
are	O
two	O
types	O
,	O
a	O
white	O
van	O
with	O
the	O
camera	O
equipment	O
poking	O
out	O
of	O
the	O
rear	O
(	O
for	O
layby	O
based	O
vans	O
)	O
or	O
out	O
of	O
the	O
sliding	O
side	O
panel	O
(	O
for	O
overbridge	O
based	O
vans	O
)	O
They	O
are	O
not	O
required	O
by	O
law	O
to	O
carry	O
a	O
'	O
speed	B-General_Concept
camera	I-General_Concept
warning	O
 '	O
logo	O
,	O
(	O
although	O
government	O
guidelines	O
state	O
they	O
should	O
)	O
although	O
by	O
the	O
time	O
motorist	O
has	O
seen	O
it	O
,	O
their	O
speed	O
has	O
been	O
recorded	O
anyway	O
.	O
</s>
