Research in Progress (RIP) https://rip.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) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ Effectiveness of Speed Reduction in Work Zones https://rip.trb.org/View/2255669 Tue, 26 Sep 2023 16:46:26 GMT https://rip.trb.org/View/2255669 How Much Pedestrian Harm Can We Attribute to Larger Vehicles in the Fleet? https://rip.trb.org/View/2229412 Thu, 17 Aug 2023 16:58:06 GMT https://rip.trb.org/View/2229412 Smart Work Zone Control and Performance Evaluation Based on Trajectory Data https://rip.trb.org/View/1986940 Wed, 29 Jun 2022 14:28:24 GMT https://rip.trb.org/View/1986940 Relationship of Speed, Roadway Geometrics, and Crashes on High-Speed Rural Highways https://rip.trb.org/View/1957066 Mon, 23 May 2022 16:12:46 GMT https://rip.trb.org/View/1957066 SPR-4640: Geometric Constraints and Visual Field Related to Speed Management https://rip.trb.org/View/1898912 Mon, 20 Dec 2021 16:31:13 GMT https://rip.trb.org/View/1898912 Impact of Pavement Friction on Traffic Safety, Phase 1:Pavement Friction Evaluation https://rip.trb.org/View/1722361 Wed, 15 Jul 2020 17:17:39 GMT https://rip.trb.org/View/1722361 Improving and Communicating Speed Management Practices https://rip.trb.org/View/1716492 Wed, 24 Jun 2020 19:16:06 GMT https://rip.trb.org/View/1716492 Deflection Angle Effect on Continuous Driver Performance Along Horizontal Curves https://rip.trb.org/View/1705269 Thu, 07 May 2020 08:17:23 GMT https://rip.trb.org/View/1705269 Convoluted Gaussian Process (CGP): An Alternative to Facilitate Analysis and Predictions of Multiple DPMs under Several Driving Conditions Using Driving Simulators https://rip.trb.org/View/1705267 Thu, 07 May 2020 08:11:24 GMT https://rip.trb.org/View/1705267 Driver Behavior and Performance in High to Low Speed Transitions https://rip.trb.org/View/1672446 Wed, 11 Dec 2019 15:54:14 GMT https://rip.trb.org/View/1672446 Identifying Mental Frameworks Underlying Driver Behavior in Urban Contexts https://rip.trb.org/View/1665013 Wed, 06 Nov 2019 12:03:18 GMT https://rip.trb.org/View/1665013 Designing for Target Speed https://rip.trb.org/View/1628618 Thu, 06 Jun 2019 19:49:45 GMT https://rip.trb.org/View/1628618 Driver' Safety Assessment in Two-Lane Rural Roads Work Zones https://rip.trb.org/View/1593727 Wed, 20 Mar 2019 09:39:36 GMT https://rip.trb.org/View/1593727 Implementation of SHRP2 Results within the Wyoming Connected Vehicle Variable Speed Limit System SHRP2 Implementation Assistance Program (Round 4) https://rip.trb.org/View/1571600 Wed, 05 Dec 2018 12:40:33 GMT https://rip.trb.org/View/1571600 Eco-Driving Study on Trucks along a Signalized Arterial with Significant Freight Traffic  https://rip.trb.org/View/1531716 Fri, 10 Aug 2018 08:07:09 GMT https://rip.trb.org/View/1531716