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/ Increasing the Utilization of Weather Data for Safety Applications and Traveler Information https://rip.trb.org/View/1377065 Tue, 08 Dec 2015 16:12:02 GMT https://rip.trb.org/View/1377065 Safety and Performance Criteria for Retroreflective Pavement Markers https://rip.trb.org/View/1330734 Thu, 13 Nov 2014 01:01:25 GMT https://rip.trb.org/View/1330734