Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2024. 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/ THE EFFECT OF TRAFFIC FLOW IMPROVEMENTS ON DRIVER ATTITUDES TOWARDS PAVEMENT MARKINGS AND OTHER TRAFFIC CONTROL DEVICES AND PEDESTRIAN SAFETY https://trid.trb.org/View/721427 Fri, 12 Jul 2002 00:00:00 GMT https://trid.trb.org/View/721427 KEEP RED ARROWS IN THE UNITED STATES https://trid.trb.org/View/656643 Tue, 13 Jun 2000 00:00:00 GMT https://trid.trb.org/View/656643 LEFT TURN ON RED https://trid.trb.org/View/183845 Mon, 28 Feb 1983 00:00:00 GMT https://trid.trb.org/View/183845