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/ NCHRP Implementation Support Program. Implementation Project to Measure and Communicate the Value of Access Management https://rip.trb.org/View/2342022 Wed, 21 Feb 2024 19:36:22 GMT https://rip.trb.org/View/2342022 Best Practices for Maintenance of Control Access Fencing https://rip.trb.org/View/2114948 Thu, 09 Feb 2023 11:12:56 GMT https://rip.trb.org/View/2114948 Economic Impact of Access Management https://rip.trb.org/View/2008582 Wed, 17 Aug 2022 09:07:26 GMT https://rip.trb.org/View/2008582 Use of Crowdsource Passive Data to Evaluate Effectiveness of Access Management Projects Proof of Concept https://rip.trb.org/View/2004404 Sun, 07 Aug 2022 15:39:37 GMT https://rip.trb.org/View/2004404 Evaluation of Driveway Assistance Devices (DADs) in Signalized Work Zones https://rip.trb.org/View/1907378 Thu, 03 Feb 2022 14:20:50 GMT https://rip.trb.org/View/1907378 Identification of AASHTO Context Classifications https://rip.trb.org/View/1628614 Thu, 06 Jun 2019 20:00:03 GMT https://rip.trb.org/View/1628614 Access Magazine/Tech Transfer to 023 https://rip.trb.org/View/1441880 Wed, 04 Jan 2017 10:55:34 GMT https://rip.trb.org/View/1441880 Evaluating Alternative Design of Geometric Configuration for High-Occupancy Vehicle (HOV) Facilities in California https://rip.trb.org/View/1441785 Wed, 04 Jan 2017 10:52:25 GMT https://rip.trb.org/View/1441785 Operational Performance and Safety Effects of Arterial Weaving Sections https://rip.trb.org/View/1407199 Thu, 12 May 2016 13:43:50 GMT https://rip.trb.org/View/1407199 Development of a Comprehensive Access Management Policy and Guidelines - Phase 3: Data Analysis/Risk Assessment https://rip.trb.org/View/1398214 Tue, 16 Feb 2016 15:21:25 GMT https://rip.trb.org/View/1398214 Impact of Access Management Practices to Pedestrian and Bicycle Operations and Safety https://rip.trb.org/View/1397949 Thu, 11 Feb 2016 19:02:24 GMT https://rip.trb.org/View/1397949 SPR-3912: Economic Development Impact of Corridor Improvements https://rip.trb.org/View/1343876 Wed, 18 Feb 2015 01:00:38 GMT https://rip.trb.org/View/1343876 Synthesis of Information Related to Airport Practices https://rip.trb.org/View/1342937 Sat, 07 Feb 2015 01:00:57 GMT https://rip.trb.org/View/1342937 Transportation Cost Implications of New Development https://rip.trb.org/View/1339631 Wed, 31 Dec 2014 01:01:14 GMT https://rip.trb.org/View/1339631 How to Measure and Communicate the Value of Access Management https://rip.trb.org/View/1334521 Sat, 06 Dec 2014 01:00:57 GMT https://rip.trb.org/View/1334521