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/ Examining Transportation Infrastructure Investments at Large Employment Hubs for Improving Workers’ Travel: A Case Study of the Denver International Airport https://rip.trb.org/View/2557003 Mon, 26 May 2025 13:04:27 GMT https://rip.trb.org/View/2557003 Improving Transit Agency (Commuter Rail) Performance to Attract Riders: What Works? https://rip.trb.org/View/2518948 Mon, 03 Mar 2025 19:12:04 GMT https://rip.trb.org/View/2518948 Empowering Sustainability and Equity: Harnessing School Buses for Workforce Transit https://rip.trb.org/View/2441688 Wed, 16 Oct 2024 15:12:32 GMT https://rip.trb.org/View/2441688 Quantifying Public Transit Improvements: A Multimodal Evaluation of Recent Improvements to Los Angeles Rail Infrastructure https://rip.trb.org/View/2420031 Thu, 22 Aug 2024 14:53:47 GMT https://rip.trb.org/View/2420031 Integrating Progression Band and Delay Optimization for Arterials with Unbalanced Directional Traffic https://rip.trb.org/View/2343710 Thu, 22 Feb 2024 15:54:19 GMT https://rip.trb.org/View/2343710 Quick-Response Research on Long-Term Strategic Issues. Task 45. Future of Commuter Rail in North America https://rip.trb.org/View/2083650 Tue, 13 Dec 2022 09:30:47 GMT https://rip.trb.org/View/2083650 Tax Revenue and Telecommuting https://rip.trb.org/View/1878005 Mon, 13 Sep 2021 13:00:15 GMT https://rip.trb.org/View/1878005 Mobility and sustainability in the post-pandemic reopening phase https://rip.trb.org/View/1864509 Thu, 08 Jul 2021 15:39:07 GMT https://rip.trb.org/View/1864509 Innovations Deserving Exploratory Analysis--The Transit IDEA Program. Bike Love https://rip.trb.org/View/1777141 Tue, 23 Feb 2021 12:03:45 GMT https://rip.trb.org/View/1777141 Best Practices in Coordination of Public Transit and Ride Sharing https://rip.trb.org/View/1628595 Wed, 05 Jun 2019 03:09:51 GMT https://rip.trb.org/View/1628595 Commuter Bus Demand, Incentives for Modal Shift, and Impact on GHG: Part II – Service Design Concepts https://rip.trb.org/View/1580238 Mon, 28 Jan 2019 10:13:56 GMT https://rip.trb.org/View/1580238 Expanding the Capabilities of Business Commute Optimization System to Model Additional Transportation Alternatives and On-Demand Needs https://rip.trb.org/View/1575784 Fri, 21 Dec 2018 04:27:45 GMT https://rip.trb.org/View/1575784 Commuter-focused Parking - Benefits and Impacts https://rip.trb.org/View/1508458 Wed, 11 Apr 2018 15:16:11 GMT https://rip.trb.org/View/1508458 Increasing the Recognition and Support of Employer-Provided Commute Benefits Via Best Workplaces for Commuters https://rip.trb.org/View/1501523 Wed, 07 Feb 2018 12:00:15 GMT https://rip.trb.org/View/1501523 Sustainability of Urban Consumption Practices https://rip.trb.org/View/1485722 Tue, 17 Oct 2017 13:07:00 GMT https://rip.trb.org/View/1485722