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/ Investing in Talent for Next-Generation Transportation Engineering https://rip.trb.org/View/2627155 Wed, 19 Nov 2025 14:58:25 GMT https://rip.trb.org/View/2627155 Telematics Technology and Distracted Driving https://rip.trb.org/View/2447243 Fri, 01 Nov 2024 12:24:26 GMT https://rip.trb.org/View/2447243 Attribution Theory and Collisions at Intersections https://rip.trb.org/View/2353430 Mon, 25 Mar 2024 15:36:53 GMT https://rip.trb.org/View/2353430 Evaluating the Impacts of Age and Health on Different Aspects of Mobility and Driving Behaviors https://rip.trb.org/View/2325917 Tue, 23 Jan 2024 14:11:48 GMT https://rip.trb.org/View/2325917 SMS – Determining if there is a medical vs. human factors/experience risk tradeoff in pilots operating under Basic Med 17.6 https://rip.trb.org/View/2114825 Wed, 08 Feb 2023 15:59:58 GMT https://rip.trb.org/View/2114825 SMS – Determining the acceptable pilot incapacitation rate for FAA class 1 medical certificates 17.5 https://rip.trb.org/View/2114823 Wed, 08 Feb 2023 15:46:43 GMT https://rip.trb.org/View/2114823 Building a KYTC Mentoring Program https://rip.trb.org/View/2039852 Wed, 12 Oct 2022 12:57:53 GMT https://rip.trb.org/View/2039852 Barriers and Facilitators of People with Disabilities in Accepting and Adopting Autonomous Shared Mobility Services (Project A5) https://rip.trb.org/View/1861659 Fri, 25 Jun 2021 21:46:54 GMT https://rip.trb.org/View/1861659 A Comparison of Vehicle Miles of Travel Between Two Generations: Millennials versus Generation X https://rip.trb.org/View/1746068 Tue, 20 Oct 2020 18:10:41 GMT https://rip.trb.org/View/1746068 Assessing and Improving the Cognitive and Visual Driving Fitness of Older Long Haul Truck Drivers - Phase I https://rip.trb.org/View/1502454 Fri, 16 Feb 2018 16:46:22 GMT https://rip.trb.org/View/1502454 The Impact of Residential Location, Lifestyles and Emerging Technologies on the Travel Behavior and Vehicle Ownership of Young Adults (“Millennials”) in California https://rip.trb.org/View/1441930 Wed, 04 Jan 2017 10:57:03 GMT https://rip.trb.org/View/1441930 Driver Behavioral Situational Awareness System (DB-SAM) https://rip.trb.org/View/1370016 Wed, 23 Sep 2015 09:44:51 GMT https://rip.trb.org/View/1370016 Research for the AASHTO Standing Committee on Planning. Task 50. What is the Impact of an Aging Population on System Planning and Investment Policies? https://rip.trb.org/View/1346901 Thu, 19 Mar 2015 01:01:38 GMT https://rip.trb.org/View/1346901 Removing Obstacles for Pavement Cost Reduction by Examining Early Age Opening Requirements https://rip.trb.org/View/1342931 Sat, 07 Feb 2015 01:00:51 GMT https://rip.trb.org/View/1342931 Impact of Red Light Running Camera Flashes on Younger and Older Driver Brake Response Times https://rip.trb.org/View/1316852 Wed, 23 Jul 2014 01:01:12 GMT https://rip.trb.org/View/1316852