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/ RECOMMENDATIONS FOR RESEARCH AND DEVELOPMENT ON ADVANCED RAILROAD BRAKING AND COUPLING SYSTEMS https://trid.trb.org/View/169673 Wed, 16 Sep 1981 00:00:00 GMT https://trid.trb.org/View/169673 SAMSON GIVES NEW LOOK TO METAL-SHOE BRAKING https://trid.trb.org/View/12908 Mon, 13 Dec 1976 00:00:00 GMT https://trid.trb.org/View/12908