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/ Economic Analysis of RCUT Access Impacts in Georgia https://rip.trb.org/View/2508954 Wed, 12 Feb 2025 07:28:26 GMT https://rip.trb.org/View/2508954 Guidelines for Managing Current and Future Transportation Network Companies (TNCs) Operations at Airports https://rip.trb.org/View/2413910 Mon, 05 Aug 2024 19:37:42 GMT https://rip.trb.org/View/2413910 Business Impacts of Access Changes https://rip.trb.org/View/2314004 Fri, 22 Dec 2023 11:18:44 GMT https://rip.trb.org/View/2314004 The Transit Validation Project https://rip.trb.org/View/2067954 Mon, 21 Nov 2022 16:26:06 GMT https://rip.trb.org/View/2067954 Economic Impact of Access Management https://rip.trb.org/View/2008582 Wed, 17 Aug 2022 09:07:26 GMT https://rip.trb.org/View/2008582 Southeast Los Angeles (SELA) Initiative https://rip.trb.org/View/1637647 Thu, 11 Jul 2019 17:39:32 GMT https://rip.trb.org/View/1637647 SPR-4355: Synthesis Study: Facilities (Enterprise Development, Sponsorship/Privatization) https://rip.trb.org/View/1628173 Fri, 31 May 2019 15:22:14 GMT https://rip.trb.org/View/1628173 Understanding Economic and Business Impacts of Street Improvements for Bicycle and Pedestrian Mobility - A Multi-City Multi-Approach Exploration https://rip.trb.org/View/1420073 Tue, 16 Aug 2016 16:51:06 GMT https://rip.trb.org/View/1420073 Multi-layered Integrated Urban Freight Delivery Network - Phase I: Identification of Policy Preferences based on Qualitative and Conjoint Analyses https://rip.trb.org/View/1372389 Wed, 21 Oct 2015 01:00:55 GMT https://rip.trb.org/View/1372389 Legal Aspects of Airport Programs. Topic 07-02. Preemption of Worker Retention and Labor Peace Agreements at Airports https://rip.trb.org/View/1351004 Sat, 18 Apr 2015 01:00:38 GMT https://rip.trb.org/View/1351004 How Firm Size Affects Safety Performance in the U.S. Motor Carrier Industry https://rip.trb.org/View/1350440 Wed, 15 Apr 2015 01:01:03 GMT https://rip.trb.org/View/1350440 Business Establishment Spatial Evolution Microsimulation (BESEM) https://rip.trb.org/View/1239195 Thu, 31 Jan 2013 01:01:08 GMT https://rip.trb.org/View/1239195 The Economic and Social Role of Bike Paths in Rhode Island https://rip.trb.org/View/1235172 Thu, 03 Jan 2013 15:25:35 GMT https://rip.trb.org/View/1235172