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/ Evaluating the Economic and Safety Trade-offs of Interchange and Access Drive Separation Distances https://rip.trb.org/View/2627344 Wed, 19 Nov 2025 14:36:56 GMT https://rip.trb.org/View/2627344 Bridge Construction Schedule Compression https://rip.trb.org/View/2458794 Tue, 19 Nov 2024 12:46:25 GMT https://rip.trb.org/View/2458794 Innovation Program Peer Exchange - 2024 https://rip.trb.org/View/2373883 Tue, 30 Apr 2024 13:49:42 GMT https://rip.trb.org/View/2373883 Project Development and Utility Coordination as a Partnership https://rip.trb.org/View/2344965 Wed, 28 Feb 2024 11:43:09 GMT https://rip.trb.org/View/2344965 Field and Laboratory Evaluation of Roadside Soil Quality Restoration Practices https://rip.trb.org/View/2344961 Tue, 27 Feb 2024 19:29:09 GMT https://rip.trb.org/View/2344961 Iowa Mobile ID https://rip.trb.org/View/2344951 Tue, 27 Feb 2024 17:43:16 GMT https://rip.trb.org/View/2344951 Updating Progress Scheduling of the Iowa DOT Standard Specifications for Highway and Bridge Construction https://rip.trb.org/View/2344945 Tue, 27 Feb 2024 17:08:17 GMT https://rip.trb.org/View/2344945 Cyber-infrastructure Enabling Safety and Mobility Discoveries https://rip.trb.org/View/1601821 Wed, 24 Apr 2019 14:42:22 GMT https://rip.trb.org/View/1601821 Lateral Slide of Multi-Span Bridges: Investigation of Connections and Other Details Phase I https://rip.trb.org/View/1601786 Wed, 24 Apr 2019 10:37:36 GMT https://rip.trb.org/View/1601786 Late Life Low Cost Deck Overlays TR-775 https://rip.trb.org/View/1596661 Mon, 01 Apr 2019 10:36:58 GMT https://rip.trb.org/View/1596661 Student Programmer for the Iowa DOT - Trans Data Office https://rip.trb.org/View/1564602 Tue, 23 Oct 2018 09:00:43 GMT https://rip.trb.org/View/1564602 Corn Based Deicers TR-754 https://rip.trb.org/View/1562397 Wed, 10 Oct 2018 13:39:50 GMT https://rip.trb.org/View/1562397 Scientific Innovations in Micro-surfacing and Slurry Seal Mixture Design TR-755 https://rip.trb.org/View/1549927 Wed, 26 Sep 2018 14:54:03 GMT https://rip.trb.org/View/1549927 Investigation on Pavement ME Design Reflective Cracking, Faulting, IRI Prediction Models, Concrete Overlays Design Tool, and Performance Threshold Levels for Iowa Pavement Systems https://rip.trb.org/View/1549926 Wed, 26 Sep 2018 14:50:24 GMT https://rip.trb.org/View/1549926 Bridge Engineering Center and Bridge Engineer Program Supplies and Equipment FY18 HR-3014 https://rip.trb.org/View/1549924 Wed, 26 Sep 2018 14:33:22 GMT https://rip.trb.org/View/1549924