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/ Administrative Activities - University Transportation Centers Open Competition https://rip.trb.org/View/2627810 Fri, 21 Nov 2025 14:13:54 GMT https://rip.trb.org/View/2627810 District Highway Management Research On-Call (ROC) FY26-28 https://rip.trb.org/View/2582820 Mon, 04 Aug 2025 13:34:53 GMT https://rip.trb.org/View/2582820 Iowa Public Works Service Bureau https://rip.trb.org/View/2509061 Wed, 12 Feb 2025 19:00:21 GMT https://rip.trb.org/View/2509061 Synthesis of Information Related to Highway Practices. Topic 55-13. Practices for Operational Traffic Simulation Models https://rip.trb.org/View/2190446 Mon, 05 Jun 2023 16:21:59 GMT https://rip.trb.org/View/2190446 NCHRP Implementation Support Program. Successful Practices for State Transportation Research Office's Complying with 2 CFR 200 (NCHRP 20-111J) https://rip.trb.org/View/1749079 Wed, 04 Nov 2020 11:51:13 GMT https://rip.trb.org/View/1749079 Operational Procedures Portfolio Planning and Management https://rip.trb.org/View/1364494 Sat, 08 Aug 2015 01:02:07 GMT https://rip.trb.org/View/1364494