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/ Public vs Private Transportation Network Accessibility and Maternal-Infant Health Outcomes Across the Urban-Rural Boundary in Kalamazoo County, Michigan https://rip.trb.org/View/1483611 Fri, 22 Sep 2017 14:03:46 GMT https://rip.trb.org/View/1483611 Prototype Development of the Open Mode Integrated Transit System https://rip.trb.org/View/1236154 Thu, 03 Jan 2013 15:42:00 GMT https://rip.trb.org/View/1236154