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/ Night Work vs. Day Work - Balancing Safety, Operations, and Constructability for Short-Term Operations on Two Lane Roads https://rip.trb.org/View/2359100 Mon, 25 Mar 2024 07:42:41 GMT https://rip.trb.org/View/2359100 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 Motorist Behavior and Safety Impacts on Bicyclists from Centerline and Shoulder Rumble Strips on High-Speed Two-Lane Highways https://rip.trb.org/View/1854203 Tue, 25 May 2021 11:24:08 GMT https://rip.trb.org/View/1854203 Evaluation of the Driveway Assistance Device (DAD) Systems in One-Lane Two-Way Work Zone https://rip.trb.org/View/1741272 Fri, 25 Sep 2020 15:18:31 GMT https://rip.trb.org/View/1741272 2+1 Roadway Design Guidance Update https://rip.trb.org/View/1736826 Thu, 03 Sep 2020 14:47:05 GMT https://rip.trb.org/View/1736826 Calibration of the Highway Safety Manual Predictive Models for Rural Two-Lane Roads for Vermont https://rip.trb.org/View/1662909 Thu, 31 Oct 2019 16:32:07 GMT https://rip.trb.org/View/1662909 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 Two-lane highway analysis methodology enhancements considering commercial trucks https://rip.trb.org/View/1552818 Wed, 03 Oct 2018 15:19:28 GMT https://rip.trb.org/View/1552818 Developing Safety Performance Functions for Rural Two-Lane Highways that Incorporate Speed Measures https://rip.trb.org/View/1516175 Tue, 19 Jun 2018 10:31:38 GMT https://rip.trb.org/View/1516175 Guidance for Safe and Effective Temporary Traffic Control for Mobile Operations on Two-Lane Two-Way Roadways https://rip.trb.org/View/1466745 Fri, 12 May 2017 11:16:09 GMT https://rip.trb.org/View/1466745 Safety Analysis of School Zones along Two-Way, Two-Lane Highways https://rip.trb.org/View/1404679 Thu, 21 Apr 2016 13:56:34 GMT https://rip.trb.org/View/1404679 Evidence-based Analysis of SPF Development and Calibration https://rip.trb.org/View/1364452 Sat, 08 Aug 2015 01:01:11 GMT https://rip.trb.org/View/1364452 Safety Impacts of Using Wider Pavement Marking in Two Lane Rural Highways in Idaho https://rip.trb.org/View/1351397 Thu, 23 Apr 2015 01:00:31 GMT https://rip.trb.org/View/1351397 Two Lane Rural Road Safety Performance Functions https://rip.trb.org/View/1234154 Thu, 03 Jan 2013 15:07:40 GMT https://rip.trb.org/View/1234154 Promoting Center Line Rumble Strips to Increase Rural, Two-Lane Highway Safety https://rip.trb.org/View/1230434 Thu, 03 Jan 2013 14:00:17 GMT https://rip.trb.org/View/1230434