<s>
The	O
Route	O
Network	O
Definition	O
File	O
(	O
RNDF	B-General_Concept
)	O
specifies	O
accessible	O
road	O
segments	O
and	O
provides	O
information	O
such	O
as	O
waypoints	O
,	O
stop	O
sign	O
locations	O
,	O
lane	O
widths	O
,	O
checkpoint	O
locations	O
,	O
and	O
parking	O
spot	O
locations	O
.	O
</s>
<s>
In	O
addition	O
to	O
road	O
segments	O
,	O
the	O
RNDF	B-General_Concept
specifies	O
free-travel	O
‘	O
zones’	O
that	O
have	O
a	O
defined	O
perimeter	O
,	O
but	O
for	O
which	O
no	O
waypoints	O
are	O
provided	O
.	O
</s>
