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/ Administration of Highway and Transportation Agencies. Support for Development of AASHTO'S 2027-2032 Strategic Plan https://rip.trb.org/View/2692291 Mon, 13 Apr 2026 16:41:46 GMT https://rip.trb.org/View/2692291 Implementing an Advanced Open-Source Activity Based Travel Demand Model to Support Rural Transportation Planning and Policy Decisions: Phase 2 – Calibration https://rip.trb.org/View/2691726 Sun, 12 Apr 2026 23:58:15 GMT https://rip.trb.org/View/2691726 Continuous approximation models for rural transit network design https://rip.trb.org/View/2691671 Sun, 12 Apr 2026 23:45:58 GMT https://rip.trb.org/View/2691671 AAM-Enabled Intermodal Freight Strategies for Supply Chain Resilience and Efficiency https://rip.trb.org/View/2691666 Sun, 12 Apr 2026 23:32:25 GMT https://rip.trb.org/View/2691666 Mid-America Freight Coalition (MAFC) Phase 5 https://rip.trb.org/View/2683017 Thu, 19 Mar 2026 09:48:53 GMT https://rip.trb.org/View/2683017 Successful Strategies to Integrate Digital Technologies to Achieve Data Interoperability Across the Lifecycle of Transportation Assets https://rip.trb.org/View/2681238 Tue, 17 Mar 2026 14:44:18 GMT https://rip.trb.org/View/2681238 Update to ACRP Report 25: Airport Passenger Terminal Planning and Design https://rip.trb.org/View/2681232 Tue, 17 Mar 2026 14:37:38 GMT https://rip.trb.org/View/2681232 Identifying and Developing the Core Capabilities of an Airport Emergency Management Program https://rip.trb.org/View/2679053 Tue, 10 Mar 2026 14:08:48 GMT https://rip.trb.org/View/2679053 Data-Driven Tools for Transportation Efficiency and Community Health https://rip.trb.org/View/2677559 Thu, 05 Mar 2026 12:24:54 GMT https://rip.trb.org/View/2677559 State DOT Council for Strategic AI Adoption https://rip.trb.org/View/2678092 Wed, 04 Mar 2026 16:41:15 GMT https://rip.trb.org/View/2678092 Identifying Gaps in Transit Infrastructure and Potential Solutions https://rip.trb.org/View/2677556 Wed, 04 Mar 2026 13:33:15 GMT https://rip.trb.org/View/2677556 Advanced Transportation Optimization and Modeling (ATOM) https://rip.trb.org/View/2676009 Tue, 03 Mar 2026 16:42:33 GMT https://rip.trb.org/View/2676009 Update to ACRP Report 49: Collaborative Airport Capital Planning Handbook https://rip.trb.org/View/2673006 Mon, 23 Feb 2026 19:03:26 GMT https://rip.trb.org/View/2673006 Customizing Transportation Services and Technologies Based on Rural Patient Healthcare Needs https://rip.trb.org/View/2667211 Mon, 23 Feb 2026 14:19:44 GMT https://rip.trb.org/View/2667211 Federal Transportation Funding Utilization by States and Strategies to Maximize Efficient and Effective Use https://rip.trb.org/View/2666776 Mon, 09 Feb 2026 20:44:35 GMT https://rip.trb.org/View/2666776