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/ Putting a Price on Regional Rail Quality: Evaluating the Value Potential Riders Place on Regional Rail Service Attributes https://rip.trb.org/View/2702083 Wed, 13 May 2026 16:58:48 GMT https://rip.trb.org/View/2702083 SEPTA Regional Rail Automated Wire Scan https://rip.trb.org/View/2093175 Tue, 03 Jan 2023 13:53:36 GMT https://rip.trb.org/View/2093175