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 Corridor Fuel Consumption Calculator (TCFCC) Version 5.0 https://rip.trb.org/View/2692310 Tue, 14 Apr 2026 12:07:08 GMT https://rip.trb.org/View/2692310 Modeling Event Travel Dynamics for the 2028 Los Angeles Olympics Using Large-Scale Mobility Data https://rip.trb.org/View/2676006 Tue, 03 Mar 2026 16:26:17 GMT https://rip.trb.org/View/2676006 Evaluating Autonomous Vehicles’ Safety Benefits in Mixed Autonomy Scenarios https://rip.trb.org/View/2292640 Mon, 20 Nov 2023 19:35:00 GMT https://rip.trb.org/View/2292640 Synthesis of Information Related to Highway Practices. Topic 55-13. Practices for Operational Traffic Simulation Models https://rip.trb.org/View/2190446 Mon, 05 Jun 2023 16:21:59 GMT https://rip.trb.org/View/2190446 Traffic Analysis, Modeling, and Simulation https://rip.trb.org/View/1728174 Wed, 12 Aug 2020 14:13:21 GMT https://rip.trb.org/View/1728174 Predicting Lane Change Intensity within Urban Interchange Influence Areas (IIA) https://rip.trb.org/View/1723548 Thu, 23 Jul 2020 13:07:53 GMT https://rip.trb.org/View/1723548 Research for the AASHTO Committee on Environment and Sustainability. Task 96. Quick Reference Guide for Traffic Modelers for Generating Traffic and Activity Data for Project-Level Air Quality Analyses https://rip.trb.org/View/1705847 Mon, 11 May 2020 17:02:37 GMT https://rip.trb.org/View/1705847 Assessment of Parcel Delivery Systems Using Unmanned Aerial Vehicles (Phase III) https://rip.trb.org/View/1669766 Sun, 01 Dec 2019 22:36:32 GMT https://rip.trb.org/View/1669766 Sea Level Rise Resilient Transportation Systems in Coastal Communities https://rip.trb.org/View/1646763 Wed, 21 Aug 2019 15:11:22 GMT https://rip.trb.org/View/1646763 Assessment of Parcel Delivery Systems Using Unmanned Aerial Vehicles (Phase II) https://rip.trb.org/View/1595112 Mon, 25 Mar 2019 10:14:00 GMT https://rip.trb.org/View/1595112 Dynamic Traffic Assignment: Assessing Its Value as a Planning Support Tool in Arizona https://rip.trb.org/View/1516639 Thu, 21 Jun 2018 13:08:45 GMT https://rip.trb.org/View/1516639 Travel Forecasting Resource with TRB and Travel Analysis Metadata https://rip.trb.org/View/1512355 Tue, 15 May 2018 12:00:05 GMT https://rip.trb.org/View/1512355 FAF 4 Network Modeling https://rip.trb.org/View/1509905 Thu, 26 Apr 2018 15:03:17 GMT https://rip.trb.org/View/1509905 A Constraint-Based Bicycle Origin-Destination Estimation Procedure https://rip.trb.org/View/1422729 Fri, 09 Sep 2016 11:28:25 GMT https://rip.trb.org/View/1422729 Develop Multi-Scale Energy and Emission Models for Arterial Traffic Systems https://rip.trb.org/View/1363409 Thu, 30 Jul 2015 01:01:11 GMT https://rip.trb.org/View/1363409