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/ Tax Revenue and Telecommuting https://rip.trb.org/View/1878005 Mon, 13 Sep 2021 13:00:15 GMT https://rip.trb.org/View/1878005 Analysis and Validation of Historical Transportation Investment https://rip.trb.org/View/1424388 Mon, 26 Sep 2016 10:02:16 GMT https://rip.trb.org/View/1424388 Gasoline Taxes: An Examination of News Media Discourse Related to Gas Tax Funding Debates in Six States https://rip.trb.org/View/1359749 Thu, 02 Jul 2015 01:01:02 GMT https://rip.trb.org/View/1359749