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/ TRANSPORTATION STUDIES AND POLICY MAKING https://trid.trb.org/View/92373 Sun, 11 Jun 1972 00:00:00 GMT https://trid.trb.org/View/92373 HOW SHOULD WE COST OUR ROADS? https://trid.trb.org/View/92376 Sun, 11 Jun 1972 00:00:00 GMT https://trid.trb.org/View/92376 RESEARCH ON ROAD BITUMEN https://trid.trb.org/View/95206 Tue, 03 Nov 1970 00:00:00 GMT https://trid.trb.org/View/95206 PRECAST CONCRETE SUBWAY CONSTRUCTION https://trid.trb.org/View/102629 Mon, 27 Apr 1970 00:00:00 GMT https://trid.trb.org/View/102629 THE INTERNAL TREATMENT TO SUBWAYS IN SWINDON - MATERIALS AND COSTS https://trid.trb.org/View/102630 Mon, 27 Apr 1970 00:00:00 GMT https://trid.trb.org/View/102630