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/ Evidence Review – Use of Red Flashing Lamps on Roadside Recovery Vehicles https://trid.trb.org/View/2362080 Tue, 21 May 2024 16:54:03 GMT https://trid.trb.org/View/2362080 The Use of Red Flashing Lamps by Road Recovery Operators: Off-Road Trials and Other Research https://trid.trb.org/View/2362079 Tue, 21 May 2024 16:54:03 GMT https://trid.trb.org/View/2362079 Intelligent Warning Lights and Driving Safety https://trid.trb.org/View/1371333 Fri, 30 Oct 2015 09:05:02 GMT https://trid.trb.org/View/1371333 Impact of Red Light Running Camera Flashes on Younger and Older Driver Brake Response Times https://trid.trb.org/View/1316852 Wed, 23 Jul 2014 01:01:12 GMT https://trid.trb.org/View/1316852 Evaluation of Safety Effects of Modifying Late-Night Flash Signal Operations in North Carolina https://trid.trb.org/View/881760 Fri, 17 Apr 2009 09:56:22 GMT https://trid.trb.org/View/881760 SAFETY ASPECTS OF USING VEHICLE HAZARD WARNING LIGHTS, VOLUME 1 https://trid.trb.org/View/170438 Tue, 28 Oct 2003 00:00:00 GMT https://trid.trb.org/View/170438 SAFETY ASPECTS OF USING VEHICLE HAZARD WARNING LIGHTS, VOLUME 2 https://trid.trb.org/View/170439 Tue, 28 Oct 2003 00:00:00 GMT https://trid.trb.org/View/170439 DEVELOPMENT AND TEST OF LOW IMPACT RESISTANCE STRUCTURES--INSTALLATION OF APPROACH LIGHTING SYSTEM AT RUNWAY 31, NAFEC https://trid.trb.org/View/62188 Sun, 06 Oct 2002 00:00:00 GMT https://trid.trb.org/View/62188 EMERGENCY VEHICLE WARNING LIGHTS: STATE OF THE ART https://trid.trb.org/View/82874 Sun, 26 May 2002 00:00:00 GMT https://trid.trb.org/View/82874 TUNNEL CONGESTION NOTICE EQUIPMENT https://trid.trb.org/View/461697 Fri, 24 May 1996 00:00:00 GMT https://trid.trb.org/View/461697 AN EVALUATION OF SIGNS FOR SIGHT-RESTRICTED RURAL INTERSECTIONS https://trid.trb.org/View/155742 Sat, 27 Oct 1984 00:00:00 GMT https://trid.trb.org/View/155742 AN EVALUATION OF SIGNS FOR SIGHT-RESTRICTED RURAL INTERSECTIONS. EXECUTIVE SUMMARY https://trid.trb.org/View/162883 Sat, 21 May 1983 00:00:00 GMT https://trid.trb.org/View/162883 IMPROVEMENT OF THE EFFECTIVENESS OF MOTORIST WARNINGS AT RAILROAD-HIGHWAY GRADE CROSSINGS https://trid.trb.org/View/49184 Tue, 04 Aug 1981 00:00:00 GMT https://trid.trb.org/View/49184 SEVEN EXPERIMENT DESIGNS ADDRESSING PROBLEMS OF SAFETY AND CAPACITY ON TWO-LANE RURAL HIGHWAYS. VOLUME VIII: EXPERIMENTAL DESIGN AND EVALUATE REMEDIAL AIDS FOR INTERSECTIONS WITH INADEQUATE SIGHT DISTANCE https://trid.trb.org/View/75658 Wed, 14 Nov 1979 00:00:00 GMT https://trid.trb.org/View/75658 SIGNAL LIGHTING SYSTEM REQUIREMENTS FOR EMERGENCY, SCHOOL BUS AND SERVICE VEHICLES https://trid.trb.org/View/88739 Tue, 28 Aug 1979 00:00:00 GMT https://trid.trb.org/View/88739