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/ Developing a Guideline for Selecting Appropriate Treatment Options for Approaches with Two Left Turn Lane https://trid.trb.org/View/2601432 Thu, 18 Sep 2025 00:53:20 GMT https://trid.trb.org/View/2601432 Developing Efficiency Attributes for Right-Turn Flashing Yellow Arrow on Impeding through and Opposing Left Phases Using a Multinomial Logit Model https://trid.trb.org/View/1874137 Tue, 26 Oct 2021 14:25:39 GMT https://trid.trb.org/View/1874137 Analytical evaluation of the use of left-turn phasing for single left-turn lane only https://trid.trb.org/View/1512123 Thu, 24 May 2018 17:20:43 GMT https://trid.trb.org/View/1512123 Dynamic Flashing Yellow Arrow (FYA): A Study on Variable Left Turn Mode Operational and Safety Impacts https://trid.trb.org/View/1286469 Wed, 22 Jan 2014 17:38:14 GMT https://trid.trb.org/View/1286469 Use of Flashing Yellow Operations to Improve Safety at Signals with Protected-Permissive Left Turn (PPLT) Operations https://trid.trb.org/View/1225280 Thu, 13 Dec 2012 09:26:16 GMT https://trid.trb.org/View/1225280 Training Strategies and Materials: Use of Flashing Yellow Operations to Improve Safety at Signals with Protected-Permissive Left Turn (PPLT) Operations https://trid.trb.org/View/1214002 Tue, 18 Sep 2012 15:56:47 GMT https://trid.trb.org/View/1214002 Development of Guidelines for Pedestrian Safety Treatments at Signalized Intersections https://trid.trb.org/View/1131524 Fri, 17 Feb 2012 08:31:00 GMT https://trid.trb.org/View/1131524 Traffic Signal Operations Handbook, Second Edition https://trid.trb.org/View/1124287 Fri, 09 Dec 2011 15:53:38 GMT https://trid.trb.org/View/1124287 Development of Left-Turn Operation Guidelines at Signalized Intersections https://trid.trb.org/View/917281 Mon, 24 May 2010 14:08:38 GMT https://trid.trb.org/View/917281 Determining Lengths of Left-Turn Lanes at Signalized Intersections Under Different Left-Turn Signal Schemes https://trid.trb.org/View/910986 Mon, 25 Jan 2010 11:38:02 GMT https://trid.trb.org/View/910986 Development of Left-Turn Operations Guidelines at Signalized Intersections https://trid.trb.org/View/890550 Fri, 12 Jun 2009 16:11:52 GMT https://trid.trb.org/View/890550 Evaluation of Safety and Development of Guidelines for Protected/Permitted Left-Turn Signal Controls https://trid.trb.org/View/887888 Wed, 29 Apr 2009 16:09:08 GMT https://trid.trb.org/View/887888 Guidelines for Multicriterion Decision-Based Left-Turn Signal Control https://trid.trb.org/View/881305 Mon, 20 Apr 2009 07:45:46 GMT https://trid.trb.org/View/881305 Guidelines for Selecting Left-Turn Signal Control Mode https://trid.trb.org/View/881723 Fri, 17 Apr 2009 09:56:22 GMT https://trid.trb.org/View/881723 NEW APPROACH FOR DEVELOPING WARRANTS OF PROTECTED LEFT-TURN PHASE AT SIGNALIZED INTERSECTIONS https://trid.trb.org/View/688679 Mon, 16 Jul 2001 00:00:00 GMT https://trid.trb.org/View/688679