<s>
USA	O
Transportation	O
Research	O
Board	O
's	O
Transportation	O
Research	O
Information	O
Services	O
(	O
TRIS	B-Library
)	O
database	O
and	O
the	O
Organisation	O
for	O
Economic	O
Co-operation	O
and	O
Development	O
's	O
(	O
OECD	O
)	O
Joint	O
Transport	O
Research	O
Centre	O
's	O
International	O
Transport	O
Research	O
Documentation	O
(	O
ITRD	O
)	O
Database	O
.	O
</s>
<s>
The	O
records	O
in	O
TRID	O
are	O
indexed	O
with	O
a	O
standardized	O
vocabulary	O
from	O
the	O
Transportation	O
Research	O
Thesaurus	O
(	O
TRT	O
)	O
which	O
has	O
integrated	O
both	O
the	O
TRIS	B-Library
and	O
ITRD	O
thesauri	O
.	O
</s>
