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/ RAILROAD CAR UNDERBODY WASHING SYSTEM CRITERIA AND DEFINITIVE GRAPHICS TECHNICAL STUDY REPORT https://trid.trb.org/View/30773 Mon, 29 Mar 1976 00:00:00 GMT https://trid.trb.org/View/30773 CP REEFERS 'OPERATING ROOM' CLEAN https://trid.trb.org/View/12903 Fri, 13 Dec 1974 00:00:00 GMT https://trid.trb.org/View/12903