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/ Select High Risk Pedestrian Midblock Crossings and Perform Safety Evaluations for Developing Pedestrian Crossings Countermeasures https://rip.trb.org/View/2255825 Wed, 27 Sep 2023 15:11:50 GMT https://rip.trb.org/View/2255825 Urban Transportation Infrastructure and Cyclist and Pedestrian Safety https://rip.trb.org/View/1751172 Wed, 11 Nov 2020 09:20:47 GMT https://rip.trb.org/View/1751172 Assessing the Impacts of Super Storm Flooding in the Transportation Infrastructure - Case Study: San Antonio, Texas https://rip.trb.org/View/1505470 Wed, 21 Mar 2018 21:44:51 GMT https://rip.trb.org/View/1505470 Creating Neighborhood Walkability Metrics that Represent the Needs of Older People: Developing Appropriate Infrastructure and Policy Interventions https://rip.trb.org/View/1489170 Fri, 17 Nov 2017 16:44:02 GMT https://rip.trb.org/View/1489170