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/ An Updated Capacity Model for Mini-Roundabouts https://rip.trb.org/View/2452918 Fri, 15 Nov 2024 16:06:05 GMT https://rip.trb.org/View/2452918 Enhancing Traffic Safety and Connectivity: A Data-Driven Multi-Step-Ahead Vehicle Headway Prediction Leveraging High-Resolution Vehicular Trajectories https://rip.trb.org/View/2292664 Tue, 21 Nov 2023 18:37:08 GMT https://rip.trb.org/View/2292664 Estimating HCM Default Parameters for Louisiana https://rip.trb.org/View/2096075 Mon, 09 Jan 2023 10:45:38 GMT https://rip.trb.org/View/2096075 Evaluation of Traffic Crash Characteristics on Elevated Sections of Interstates in Louisiana https://rip.trb.org/View/1745432 Thu, 15 Oct 2020 15:36:43 GMT https://rip.trb.org/View/1745432 Cooperative Vehicle-Highway Automation (CVHA) Technology: Simulation of Benefits and Operational Issues https://rip.trb.org/View/1474318 Thu, 13 Jul 2017 01:01:07 GMT https://rip.trb.org/View/1474318 Evaluating Deployability of Cooperative Adaptive Cruise Control (CACC) to Form High-Performance Vehicle Streams https://rip.trb.org/View/1441786 Wed, 04 Jan 2017 10:52:26 GMT https://rip.trb.org/View/1441786 SPR-4123: Strategic and Tactical Guidance for the Connected and Autonomous Vehicle Future https://rip.trb.org/View/1435568 Tue, 22 Nov 2016 16:47:21 GMT https://rip.trb.org/View/1435568 Integration of Human-in-the-Loop Driving Simulator with Microscopic Traffic Simulation https://rip.trb.org/View/1251918 Wed, 05 Jun 2013 01:01:39 GMT https://rip.trb.org/View/1251918 A Guide to Design, Policies, and Operational Characteristics for Shared Bicycle/Bus Lanes https://rip.trb.org/View/1231910 Thu, 03 Jan 2013 14:28:26 GMT https://rip.trb.org/View/1231910