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/ Conflict-Based Crash Prediction Method for Intersections https://rip.trb.org/View/1953255 Wed, 18 May 2022 09:54:05 GMT https://rip.trb.org/View/1953255 Roadway Signing and Marking of Unconventional Grade Separated Intersection Designs https://rip.trb.org/View/1723545 Thu, 23 Jul 2020 13:07:51 GMT https://rip.trb.org/View/1723545 Field Evaluation of At Grade Alternative Intersection Design https://rip.trb.org/View/1509991 Fri, 27 Apr 2018 13:32:15 GMT https://rip.trb.org/View/1509991 Self De-Icing LED Signals https://rip.trb.org/View/1509352 Sun, 22 Apr 2018 14:08:36 GMT https://rip.trb.org/View/1509352 Rail Highway At-Grade Crossing Prioritization and Ranking Program Analysis https://rip.trb.org/View/1323571 Wed, 17 Sep 2014 01:00:18 GMT https://rip.trb.org/View/1323571