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/ Standardization of SIP Calculation for Hamburg Wheel Tracking Test (TPF-5(466)) https://rip.trb.org/View/2414394 Fri, 09 Aug 2024 16:52:58 GMT https://rip.trb.org/View/2414394 Informing Emerging Mode Choice Decisions Through a Carbon Impact Calculator https://rip.trb.org/View/2008012 Tue, 16 Aug 2022 18:31:06 GMT https://rip.trb.org/View/2008012 Michigan Hydrologic Calculation Procedures https://rip.trb.org/View/1993820 Thu, 14 Jul 2022 13:00:31 GMT https://rip.trb.org/View/1993820 Development of Florida Traffic Characteristics for Service Volume Calculations Based on Latest HCM https://rip.trb.org/View/1664477 Tue, 05 Nov 2019 10:55:24 GMT https://rip.trb.org/View/1664477 Small Aircraft Runway Length Analysis Tool https://rip.trb.org/View/1645867 Mon, 12 Aug 2019 21:41:15 GMT https://rip.trb.org/View/1645867 Measuring and Managing Fare Evasion https://rip.trb.org/View/1577714 Tue, 08 Jan 2019 06:50:12 GMT https://rip.trb.org/View/1577714 A Customizable Web-Based Emissions Calculator for Midwest Freight Carriers and Regional Planners https://rip.trb.org/View/1234701 Thu, 03 Jan 2013 15:17:57 GMT https://rip.trb.org/View/1234701