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/ Vehicle Classification Technologies for Toll Collection https://rip.trb.org/View/1948960 Mon, 09 May 2022 06:49:06 GMT https://rip.trb.org/View/1948960 Price Discovery for Strategic Compensation of Toll Road Operators to Relieve State Maintenance Impacts https://rip.trb.org/View/1686398 Wed, 12 Feb 2020 15:18:23 GMT https://rip.trb.org/View/1686398 Electric Toll Collection Interoperability Testing https://rip.trb.org/View/1513416 Wed, 23 May 2018 09:46:36 GMT https://rip.trb.org/View/1513416 Efficient Utilization of The Existing ITS System and The Viability of A Proactive Traffic Management System for The Orlando-Orange County Expressway Authority System https://rip.trb.org/View/1474333 Thu, 13 Jul 2017 01:01:47 GMT https://rip.trb.org/View/1474333 Electronic Fare Transaction Data https://rip.trb.org/View/1350433 Wed, 15 Apr 2015 01:00:50 GMT https://rip.trb.org/View/1350433 Development of a New Connected Eco-Driving Technology at Signalized Intersections with Adaptive Signal https://rip.trb.org/View/1346331 Tue, 17 Mar 2015 01:00:11 GMT https://rip.trb.org/View/1346331 AR: Bluetooth Travel Time System https://rip.trb.org/View/1234301 Thu, 03 Jan 2013 15:10:08 GMT https://rip.trb.org/View/1234301