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/ REFLECTING ROAD STUDS https://trid.trb.org/View/238209 Tue, 30 Apr 2002 00:00:00 GMT https://trid.trb.org/View/238209 NIGHTTIME CAR/BICYCLE ACCIDENT CASE STUDY https://trid.trb.org/View/389698 Mon, 04 Apr 1994 00:00:00 GMT https://trid.trb.org/View/389698 VEHICLE LIGHTING DESIGN FOR OPTIMAL VISIBILITY AND PERFORMANCE https://trid.trb.org/View/343486 Tue, 30 Jun 1992 00:00:00 GMT https://trid.trb.org/View/343486 DEW ON ROAD SIGNS: PRELIMINARY REPORT https://trid.trb.org/View/338050 Sat, 30 Nov 1991 00:00:00 GMT https://trid.trb.org/View/338050 NIGHT TIME SHAPE RECOGNITION OF REFLECTORIZED WARNING PLATES AS A FUNCTION OF FULL REFLECTORIZATION, BORDERS ONLY REFLECTORIZATION AND TARGET BRIGHTNESS https://trid.trb.org/View/334872 Wed, 31 Oct 1990 00:00:00 GMT https://trid.trb.org/View/334872 THE DETECTION DISTANCE OF HIGHWAY SIGNS AS A FUNCTION OF COLOR AND PHOTOMETRIC PROPERTIES https://trid.trb.org/View/324622 Fri, 31 Aug 1990 00:00:00 GMT https://trid.trb.org/View/324622 THE SUBJECTIVE BRIGHTNESS OF RETROREFLECTIVE SIGN COLORS https://trid.trb.org/View/318220 Wed, 28 Feb 1990 00:00:00 GMT https://trid.trb.org/View/318220 REFLECTORIZED LICENSE PLATES AND REAR END COLLISIONS AT NIGHT https://trid.trb.org/View/311844 Mon, 31 Jul 1989 00:00:00 GMT https://trid.trb.org/View/311844 NIGHT TIME RECOGNITION OF REFLECTORIZED WARNING PLATES AS A FUNCTION OF SHAPE AND TARGET BRIGHTNESS https://trid.trb.org/View/263378 Wed, 31 May 1989 00:00:00 GMT https://trid.trb.org/View/263378 "LIGHTS OUT" OVERHEAD GUIDE SIGN DEMONSTRATION PROJECT https://trid.trb.org/View/260582 Wed, 31 May 1989 00:00:00 GMT https://trid.trb.org/View/260582 DELINEATORS IN FRANCE : TECHNOLOGIES, RESEARCH, PROSPECTS https://trid.trb.org/View/263191 Sun, 30 Apr 1989 00:00:00 GMT https://trid.trb.org/View/263191 DURABILITY OF RETROREFLECTIVE SIGNS https://trid.trb.org/View/254416 Wed, 30 Nov 1988 00:00:00 GMT https://trid.trb.org/View/254416 STANDARD SPECIFICATIONS FOR REFLECTORIZED HIGHWAY SIGNS AND REFLECTIVE MATERIALS https://trid.trb.org/View/254362 Mon, 31 Oct 1988 00:00:00 GMT https://trid.trb.org/View/254362 RETROREFLECTIVE REQUIREMENTS FOR TRAFFIC SIGNS: A STOP SIGN CASE STUDY https://trid.trb.org/View/242763 Mon, 29 Feb 1988 00:00:00 GMT https://trid.trb.org/View/242763 REVIEW OF CURRENT PRACTICES FOR ILLUMINATION AND REFLECTORIZATION OF OVERHEAD SIGNS https://trid.trb.org/View/240146 Sun, 31 Jan 1988 00:00:00 GMT https://trid.trb.org/View/240146