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/ Field Validation of Inspection Gauges for Wheels Climb Safety at Switch Points https://rip.trb.org/View/1398035 Fri, 12 Feb 2016 17:13:07 GMT https://rip.trb.org/View/1398035 Transit Trip Planning Web Application https://rip.trb.org/View/1335207 Fri, 12 Dec 2014 01:01:16 GMT https://rip.trb.org/View/1335207 Positive Train Control for Commuter Rail https://rip.trb.org/View/1258250 Mon, 05 Aug 2013 00:56:50 GMT https://rip.trb.org/View/1258250