3. International Search Function
RiP &TRIS
• ITRD Database
http://www.itrd.org/
RiP
• EU Transport Res. Knowledge Ctr.
http:www.transport research.info/web/
http:www transport-research info/web/
• Forum of EU Nat’l Highway Res. Labs
http://www.ferhl.org/
TRIS
• International Union of Public Transport
http://www.uitp.org