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/ Transportation System Performance Measurement Using Existing Loop Infrastructure (102-FH2-005) SBIR Phase II https://rip.trb.org/View/1370726 Tue, 29 Sep 2015 15:51:44 GMT https://rip.trb.org/View/1370726 Transportation System Performance Measurement Using Loop Signature Amplifiers (102-FH2-009) SBIR Phase II https://rip.trb.org/View/1370725 Tue, 29 Sep 2015 15:41:45 GMT https://rip.trb.org/View/1370725