Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2024. 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/ Phase II TCRP Project D-17 - Detecting and Mitigating Low Level DC Fault Currents in Transit Systems thus Eliminating Electrical Fires in Tunnels and Rights-of-Way https://rip.trb.org/View/1747284 Mon, 26 Oct 2020 19:36:52 GMT https://rip.trb.org/View/1747284 Imaging ahead of Tunnel Boring Machines with DC Resistivity https://rip.trb.org/View/1458193 Mon, 29 Jan 2018 12:20:28 GMT https://rip.trb.org/View/1458193 Improving the Safety and Sustainability of Stray Current Control of DC-Powered Rail Transit Systems https://rip.trb.org/View/1334203 Thu, 04 Dec 2014 01:00:21 GMT https://rip.trb.org/View/1334203