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/ Mitigating Crash Risks in Work Zones: Causal Inference and Crash Modification Factors https://rip.trb.org/View/2292669 Tue, 21 Nov 2023 16:38:45 GMT https://rip.trb.org/View/2292669 Safety Performance and Design Considerations of Restricted Crossing U-Turns (RCUTs) in Mississippi https://rip.trb.org/View/2260080 Thu, 05 Oct 2023 10:45:55 GMT https://rip.trb.org/View/2260080 Select High Risk Pedestrian Midblock Crossings and Perform Safety Evaluations for Developing Pedestrian Crossings Countermeasures https://rip.trb.org/View/2255825 Wed, 27 Sep 2023 15:11:50 GMT https://rip.trb.org/View/2255825 Develop Crash Modification Factors for Super 2 Highways https://rip.trb.org/View/2255828 Wed, 27 Sep 2023 15:10:52 GMT https://rip.trb.org/View/2255828 SPR-4852: Safety Performance of Centerline Paved Pavement Markers https://rip.trb.org/View/2253922 Fri, 22 Sep 2023 14:49:39 GMT https://rip.trb.org/View/2253922 Development of Arizona-Specific Cross-Sectional Crash Modification Factors (CMFs) https://rip.trb.org/View/2248972 Fri, 15 Sep 2023 17:43:00 GMT https://rip.trb.org/View/2248972 SPR-4853: Effective Shoulder Width on Rural Highway System Related to Roadway Departure Crashes https://rip.trb.org/View/2238833 Thu, 31 Aug 2023 16:43:43 GMT https://rip.trb.org/View/2238833 An Analysis of VDOT's Sight Distance Requirements Relative to Context-Sensitive Designs https://rip.trb.org/View/2229068 Tue, 15 Aug 2023 10:43:30 GMT https://rip.trb.org/View/2229068 Evaluation of Post Mounted Delineators and Curve Warning Message Markings https://rip.trb.org/View/2219413 Wed, 26 Jul 2023 08:38:49 GMT https://rip.trb.org/View/2219413 Guide for Evaluating the Safety Performance of Shared Railway–Highway Interfaces https://rip.trb.org/View/2219022 Tue, 25 Jul 2023 08:17:59 GMT https://rip.trb.org/View/2219022 Evaluation of Low-Cost Safety Improvements (ELCSI-PFS) https://rip.trb.org/View/2168552 Mon, 08 May 2023 17:13:02 GMT https://rip.trb.org/View/2168552 Assessing the Multi-Modal Safety Performance of Turn Lanes https://rip.trb.org/View/2149962 Mon, 10 Apr 2023 17:14:50 GMT https://rip.trb.org/View/2149962 Strategies to Address Head-on Crashes https://rip.trb.org/View/2146021 Wed, 05 Apr 2023 11:13:39 GMT https://rip.trb.org/View/2146021 Effect of Lighting on Safety in Utah Roadways https://rip.trb.org/View/2122488 Sun, 26 Feb 2023 22:07:35 GMT https://rip.trb.org/View/2122488 Improve Understanding of the Benefits of Safety Data-driven Decision Making https://rip.trb.org/View/2093185 Tue, 03 Jan 2023 13:53:42 GMT https://rip.trb.org/View/2093185