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/ FHWA Traffic Noise Model: Version 3.0 Software Development https://rip.trb.org/View/1302747 Sat, 22 Mar 2014 01:01:29 GMT https://rip.trb.org/View/1302747