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/ Synthesis of Information Related to Highway Practices. Topic 55-20. Traffic Capacity Level of Service Adaptations and Usage https://rip.trb.org/View/2190458 Fri, 09 Jun 2023 12:43:14 GMT https://rip.trb.org/View/2190458 Improve Understanding of the Benefits of Safety Data-driven Decision Making https://rip.trb.org/View/2093185 Tue, 03 Jan 2023 13:53:42 GMT https://rip.trb.org/View/2093185 Broaden the Integration of Safety Data and Analysis into All Processes https://rip.trb.org/View/2093184 Tue, 03 Jan 2023 13:53:41 GMT https://rip.trb.org/View/2093184 Travel Forecasting Resource with TRB and Travel Analysis Metadata https://rip.trb.org/View/1512355 Tue, 15 May 2018 12:00:05 GMT https://rip.trb.org/View/1512355