Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2024. 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/ Performance Index Rating and Maintenance Cost Assignment for Ramps, Acceleration and Deceleration Lanes in Louisiana https://rip.trb.org/View/1938471 Tue, 05 Apr 2022 15:36:07 GMT https://rip.trb.org/View/1938471 Research for AASHTO Standing Committee on Highways. Task 405. Reevaluation of the Perception and Reaction Time and Deceleration Rates for Stopping https://rip.trb.org/View/1877228 Tue, 07 Sep 2021 13:36:44 GMT https://rip.trb.org/View/1877228 Update of the Policy on Geometric Design of Highways and Streets Guidance on Acceleration/Deceleration and Stopping Sight Distance Criteria https://rip.trb.org/View/1628617 Sat, 08 Jun 2019 05:14:54 GMT https://rip.trb.org/View/1628617 Evaluation of Roadside Crash Injury Metrics in MASH https://rip.trb.org/View/1516173 Tue, 19 Jun 2018 10:14:59 GMT https://rip.trb.org/View/1516173 Cooperative control mechanism for platoon formation of connected and autonomous vehicles - Phase 1 and 2 https://rip.trb.org/View/1508576 Fri, 13 Apr 2018 14:43:00 GMT https://rip.trb.org/View/1508576