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/ Statewide augmented information in the driver environment study https://rip.trb.org/View/2570738 Wed, 02 Jul 2025 13:53:38 GMT https://rip.trb.org/View/2570738 Visually Impaired Pedestrians and Protected Intersections with Bike Lanes https://rip.trb.org/View/2558393 Wed, 28 May 2025 10:21:31 GMT https://rip.trb.org/View/2558393 Human Factors: Optimizing Crosswalks and Aesthetic Surface Treatments (a.k.a. Pavement Art) for Pedestrians with Disabilities https://rip.trb.org/View/2536269 Fri, 11 Apr 2025 16:58:49 GMT https://rip.trb.org/View/2536269 Audible Indications for Accessible Pedestrian Signals https://rip.trb.org/View/2381696 Mon, 20 May 2024 21:26:19 GMT https://rip.trb.org/View/2381696 Transportation Barriers to Vision Care for the Visually Impaired https://rip.trb.org/View/2342038 Mon, 19 Feb 2024 18:28:51 GMT https://rip.trb.org/View/2342038 Pedestrian Auditory Situational Awareness: Tesseract Crosswalk Module https://rip.trb.org/View/2244355 Wed, 13 Sep 2023 13:11:09 GMT https://rip.trb.org/View/2244355 Floating Transit Stops and Passengers with Vision Disabilities https://rip.trb.org/View/2083656 Tue, 13 Dec 2022 10:45:14 GMT https://rip.trb.org/View/2083656 SPR-2325: Implementation and Evaluation of Aira Access Pilot Run in Connecticut https://rip.trb.org/View/2003110 Thu, 04 Aug 2022 01:22:05 GMT https://rip.trb.org/View/2003110 Safe and Efficient E-Wayfinding (SeeWay) Guidance for the Transition to Autonomous Vehicles for the Visually Impaired https://rip.trb.org/View/1923094 Sun, 06 Mar 2022 13:49:21 GMT https://rip.trb.org/View/1923094 Evaluation of Closed Crossing Tactile Indicators https://rip.trb.org/View/1906838 Thu, 27 Jan 2022 18:36:34 GMT https://rip.trb.org/View/1906838 Accessible Public Bus and Rail Passenger Information for Riders with Vision Disabilities https://rip.trb.org/View/1893353 Thu, 25 Nov 2021 12:44:20 GMT https://rip.trb.org/View/1893353 Connected Electric Vehicles: Personal Listening Device Vehicle-to-Pedestrian Communication Systems in Virtual Reality https://rip.trb.org/View/1884828 Tue, 12 Oct 2021 11:34:18 GMT https://rip.trb.org/View/1884828 Wearables to Command More Access and Inclusion in a Smarter Transportation System https://rip.trb.org/View/1697991 Tue, 05 May 2020 09:07:03 GMT https://rip.trb.org/View/1697991 PERCEPT Indoor Navigation System for Visually Impaired: Beta Study https://rip.trb.org/View/1574981 Mon, 17 Dec 2018 15:47:42 GMT https://rip.trb.org/View/1574981 Tactile Walking Surface Indicators To Aid Wayfinding For Visually Impaired Travelers In Multimodal Travel https://rip.trb.org/View/1516176 Mon, 18 Jun 2018 16:47:04 GMT https://rip.trb.org/View/1516176