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/ North/West Passage: Multistate Assessment of Interstate Speed Limit Impacts https://rip.trb.org/View/1411562 Wed, 15 Jun 2016 12:42:21 GMT https://rip.trb.org/View/1411562