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/ Modernization and Updates to the AASHTO Guide Specifications for Highway Construction https://rip.trb.org/View/2709240 Wed, 03 Jun 2026 11:43:53 GMT https://rip.trb.org/View/2709240 Decision Support for Dynamic Risks: Determinants of Model Adoption https://rip.trb.org/View/2703696 Fri, 15 May 2026 14:13:01 GMT https://rip.trb.org/View/2703696 Synthesis of Information Related to Highway Practices. Topic 57-12. Practices for Incentivizing Contractor Performance for Progressive-Design-Build and Construction Manager/General Contractor Highway Projects https://rip.trb.org/View/2630479 Wed, 26 Nov 2025 18:32:12 GMT https://rip.trb.org/View/2630479 Synthesis of Information Related to Highway Practices. Topic 57-15. Institutionalizing Innovations and their Associated Skillset from Alternative Contracting Methods https://rip.trb.org/View/2630495 Tue, 25 Nov 2025 16:49:58 GMT https://rip.trb.org/View/2630495 Legal Problems Arising out of Highway Programs. Topic 27-02. State and Local Suspension and Debarment Programs of Contractors https://rip.trb.org/View/2209736 Tue, 11 Jul 2023 10:58:41 GMT https://rip.trb.org/View/2209736 Legal Problems Arising out of Highway Programs. Topic 27-04. Managing Performance for Innovative Technology Contracts https://rip.trb.org/View/2209735 Tue, 11 Jul 2023 10:41:32 GMT https://rip.trb.org/View/2209735 Division of Construction Research On-Call Services FY2024-2026 https://rip.trb.org/View/2208699 Fri, 07 Jul 2023 11:06:21 GMT https://rip.trb.org/View/2208699 Legal Aspects of Airport Programs. Topic 15-03. Legal Impacts to Airports from State Legalization of Marijuana https://rip.trb.org/View/2205310 Tue, 04 Jul 2023 12:57:56 GMT https://rip.trb.org/View/2205310 Legal Aspects of Airport Programs. Topic 15-01. Accommodating Federal Agencies at Airports and Related Contractual Concerns https://rip.trb.org/View/2061057 Tue, 15 Nov 2022 20:01:52 GMT https://rip.trb.org/View/2061057 Development of an Updated Expected Adverse Weather Day Chart https://rip.trb.org/View/2021849 Mon, 12 Sep 2022 17:11:10 GMT https://rip.trb.org/View/2021849 Synthesis of Information Related to Highway Practices. Topic 54-12. Programmatic Implementation of Alternative Contracting Methods https://rip.trb.org/View/1953243 Tue, 17 May 2022 10:41:55 GMT https://rip.trb.org/View/1953243 Synthesis of Information Related to Highway Practices. Topic 54-16. Post-Construction Evaluation Practices for Highway Projects Delivered Using Alternative Contracting Methods https://rip.trb.org/View/1953233 Mon, 16 May 2022 17:51:35 GMT https://rip.trb.org/View/1953233 Synthesis of Information Related to Highways. Topic 54-02. Outsourcing Stormwater Best Management Practice Inspection & Maintenance Activities https://rip.trb.org/View/1953230 Mon, 16 May 2022 17:29:01 GMT https://rip.trb.org/View/1953230 Synthesis of Information Related to Transit Practices. Topic SG-20. Performance Metrics in Third Party Contracts for Bus Operations and Maintenance https://rip.trb.org/View/1854187 Tue, 25 May 2021 22:52:15 GMT https://rip.trb.org/View/1854187 Create a Standardized Scope of Services Template https://rip.trb.org/View/1716630 Fri, 26 Jun 2020 14:31:44 GMT https://rip.trb.org/View/1716630