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/ Rural Vehicle Markets and Consumer Affordability https://rip.trb.org/View/2691725 Sun, 12 Apr 2026 23:55:16 GMT https://rip.trb.org/View/2691725 Personal Vehicle Ownership and Operating Cost Calculator (Version 2.0) for Quantifying On-road Vehicle Operating Costs https://rip.trb.org/View/2691663 Sun, 12 Apr 2026 23:22:20 GMT https://rip.trb.org/View/2691663 Transit Priority Expectations – Cost-Effectiveness and Service Provision Impacts https://rip.trb.org/View/2636146 Mon, 08 Dec 2025 19:58:45 GMT https://rip.trb.org/View/2636146 Cost Effective Roundabouts: Evaluate Options for Reducing Roundabout Footprints and Construction Costs https://rip.trb.org/View/2636041 Fri, 05 Dec 2025 14:19:53 GMT https://rip.trb.org/View/2636041 DOT Application of the Palmiter Stream Management Technique in Small Streams https://rip.trb.org/View/2633332 Tue, 02 Dec 2025 13:37:51 GMT https://rip.trb.org/View/2633332 Managing the Prior Rights and Prescriptive Rights of Utilities https://rip.trb.org/View/2558399 Wed, 28 May 2025 10:03:16 GMT https://rip.trb.org/View/2558399 Strategies for Controlling Cost and Schedule Growth on Alternative Delivery Projects https://rip.trb.org/View/2558415 Tue, 27 May 2025 20:31:48 GMT https://rip.trb.org/View/2558415 The Downstream Infrastructure Impacts of Design Vehicle Selection https://rip.trb.org/View/2558437 Tue, 27 May 2025 16:11:18 GMT https://rip.trb.org/View/2558437 RES2023-30: I-24 Smart Corridor https://rip.trb.org/View/2539923 Thu, 17 Apr 2025 13:50:06 GMT https://rip.trb.org/View/2539923 Strategies for Implementing Same-Day Paratransit Services https://rip.trb.org/View/2464329 Tue, 26 Nov 2024 06:34:49 GMT https://rip.trb.org/View/2464329 Bridge Construction Schedule Compression https://rip.trb.org/View/2458794 Tue, 19 Nov 2024 12:46:25 GMT https://rip.trb.org/View/2458794 City-Wide Strategic EV Charging Network Design: Demand-Supply Integration via Market Dynamics https://rip.trb.org/View/2440040 Sun, 13 Oct 2024 16:09:22 GMT https://rip.trb.org/View/2440040 The Intersection Between Health Care Costs and Long Work Hours in the Transport Sector https://rip.trb.org/View/2434301 Sat, 28 Sep 2024 07:53:24 GMT https://rip.trb.org/View/2434301 Mitigating Risk-Driven Project Costs in Contractor Bids https://rip.trb.org/View/2417071 Mon, 12 Aug 2024 13:26:33 GMT https://rip.trb.org/View/2417071 RES2023-26: Field Performance Testing and Evaluation of the Constructed Inverted Pavements in Tennessee https://rip.trb.org/View/2387534 Fri, 07 Jun 2024 14:21:52 GMT https://rip.trb.org/View/2387534