Research in Progress (RIP) https://rip.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) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ Evaluation of Change and Clearance Intervals to Address Safety and Operational Performance of Signalized Intersections  https://rip.trb.org/View/2100906 Wed, 18 Jan 2023 11:17:42 GMT https://rip.trb.org/View/2100906 Y3R5 - Fathoming the Maximum Potential for Freight Sensitive Intersection Control (parallel project with the other one PI-ed by Zhang) https://rip.trb.org/View/1868905 Tue, 27 Jul 2021 16:04:18 GMT https://rip.trb.org/View/1868905 Reasonable Alternatives for Grade-Separated Intersection https://rip.trb.org/View/1472678 Fri, 30 Jun 2017 15:37:25 GMT https://rip.trb.org/View/1472678 Field Operational Tests of Vehicle-Assist and Automation (VAA) System Using Full-size Public Transit Buses https://rip.trb.org/View/1441790 Wed, 04 Jan 2017 10:52:34 GMT https://rip.trb.org/View/1441790 Compliance Crash Testing of a MASH 2009 Test Level 4 Side Mounted Bridge Rail https://rip.trb.org/View/1440844 Wed, 28 Dec 2016 11:39:58 GMT https://rip.trb.org/View/1440844 Paths to ADA-Compliance: The Performance and Cost Efficiency of Measurement Technologies that Support ADA-Mandated, Self-Evaluations of Pedestrian Rights of Way https://rip.trb.org/View/1421442 Fri, 02 Sep 2016 11:02:08 GMT https://rip.trb.org/View/1421442 Remote, Wireless Camera Systems for Environmental Monitoring of Transportation Corridors https://rip.trb.org/View/1370005 Tue, 22 Sep 2015 16:27:17 GMT https://rip.trb.org/View/1370005 West Palm Beach Trespass Prevention Study https://rip.trb.org/View/1367332 Fri, 28 Aug 2015 15:36:26 GMT https://rip.trb.org/View/1367332 Operational and Safety Considerations in Making Lane Width Decisions on Urban and Suburban Arterials https://rip.trb.org/View/1331125 Tue, 18 Nov 2014 01:00:43 GMT https://rip.trb.org/View/1331125 Effects of Urban Greenway Construction on Pedestrian and Cyclist Injury Rates, Travel Patterns, and Estimated Vehicular Emissions https://rip.trb.org/View/1232995 Thu, 03 Jan 2013 14:48:56 GMT https://rip.trb.org/View/1232995 Studying the Bottleneck Issue at Work Zones and Assessing the Effectiveness of a Portable Dynamic Lane Merging System in Promoting Zip Merging Behavior https://rip.trb.org/View/1231908 Thu, 03 Jan 2013 14:28:24 GMT https://rip.trb.org/View/1231908