Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Transport Research International Documentation (TRID) https://trid.trb.org/Images/PageHeader-wTitle.jpg https://trid.trb.org/ TRAFFIC SAFETY ON LATVIA'S MAIN STATE ROADS https://trid.trb.org/View/692771 Fri, 07 Sep 2001 00:00:00 GMT https://trid.trb.org/View/692771 TRAFFIC SAFETY ON LATVIA'S MAIN RATE STATE ROADS https://trid.trb.org/View/657448 Wed, 26 Jul 2000 00:00:00 GMT https://trid.trb.org/View/657448