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/ Reliability-Aware Accessibility Measurement and Planning for Rural Transportation Systems https://rip.trb.org/View/2703797 Sat, 16 May 2026 11:55:36 GMT https://rip.trb.org/View/2703797 Smart Drop-Shipping and Stocking Decision Support System https://rip.trb.org/View/2703794 Sat, 16 May 2026 11:49:44 GMT https://rip.trb.org/View/2703794 Bridging the Gap Between Theory and Implementation for CAV-Based Mixed Traffic Smoothing https://rip.trb.org/View/2625306 Thu, 13 Nov 2025 14:56:15 GMT https://rip.trb.org/View/2625306 A Reinforcement Learning Framework for Dynamic Inland Waterway Maintenance Under Stochastic Shoaling and Annual Budget Allocation https://rip.trb.org/View/2620600 Mon, 10 Nov 2025 09:33:02 GMT https://rip.trb.org/View/2620600 Design and Analysis of Bridge Foundations for Redundancy https://rip.trb.org/View/2558400 Wed, 28 May 2025 10:00:22 GMT https://rip.trb.org/View/2558400 Safety Risk Management Model for Pilot Medical Hazard Non-Disclosure https://rip.trb.org/View/2518965 Tue, 04 Mar 2025 13:50:57 GMT https://rip.trb.org/View/2518965 Transportation Infrastructure Development Under Uncertainties https://rip.trb.org/View/2447061 Wed, 30 Oct 2024 15:09:57 GMT https://rip.trb.org/View/2447061 Effective Use of Traffic Speed Deflectometer for Network-based and Project-based Applications https://rip.trb.org/View/2414322 Fri, 09 Aug 2024 14:23:54 GMT https://rip.trb.org/View/2414322 Developing A Cost-Effective, Reliable, and Sustainable Precast Supply System under Price Volatility and Uncertainty of Material Supply https://rip.trb.org/View/2314005 Sun, 24 Dec 2023 08:20:04 GMT https://rip.trb.org/View/2314005 Chance-Constrained Collision Avoidance Based Motion Planning in a Cooperative Perception Framework https://rip.trb.org/View/2301344 Mon, 04 Dec 2023 17:10:53 GMT https://rip.trb.org/View/2301344 Multi-Horizon Urban EV Charging Infrastructure Planning: Integrating Activity Patterns, Grid Dynamics, and Uncertainty https://rip.trb.org/View/2283485 Mon, 30 Oct 2023 22:53:38 GMT https://rip.trb.org/View/2283485 Uncertainties in liquefaction assessment and its economic impact https://rip.trb.org/View/2096588 Fri, 13 Jan 2023 14:49:28 GMT https://rip.trb.org/View/2096588 Automated Lane Change and Robust Safety https://rip.trb.org/View/1942835 Fri, 22 Apr 2022 16:13:21 GMT https://rip.trb.org/View/1942835 Quantifying the Impact of Data Unavailability, Inaccuracies and Uncertainty on Deterioration Modeling and Infrastructure Asset Management Policies https://rip.trb.org/View/1903010 Tue, 11 Jan 2022 16:46:02 GMT https://rip.trb.org/View/1903010 Guidance for Agencies to Incorporate Uncertainty into Long-Range Transportation Planning https://rip.trb.org/View/1854173 Tue, 25 May 2021 15:49:31 GMT https://rip.trb.org/View/1854173