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/ How do perceptions of transportation challenges influence travel behavior for people with disabilities? https://rip.trb.org/View/2702517 Thu, 14 May 2026 16:54:31 GMT https://rip.trb.org/View/2702517 Disability, Mode Perceptions, and Travel Behavior https://rip.trb.org/View/2695812 Thu, 23 Apr 2026 17:58:32 GMT https://rip.trb.org/View/2695812 Leveraging Emerging Technologies to Support Accessible Communication in Transit for Riders Who Are Deaf/Hard-of-Hearing https://rip.trb.org/View/2636144 Mon, 08 Dec 2025 19:52:37 GMT https://rip.trb.org/View/2636144 Mitigating Functional Impediments to Accessing Public Transportation for Older Adults https://rip.trb.org/View/2636142 Mon, 08 Dec 2025 19:45:55 GMT https://rip.trb.org/View/2636142 Legal Aspects of Airport Programs. Topic 18-01. Legal Responsibilities Arising Out of the Americans with Disabilities Act and Air Carrier Access Act https://rip.trb.org/View/2625813 Thu, 20 Nov 2025 16:04:03 GMT https://rip.trb.org/View/2625813 Pedestrian Level of Traffic Stress (PLTS) Validation for Pedestrians with a range of Ages and Abilities https://rip.trb.org/View/2625597 Mon, 17 Nov 2025 14:33:05 GMT https://rip.trb.org/View/2625597 Empowering Para-Transit through Automation: A Behaviorally Informed Optimization Approach https://rip.trb.org/View/2625307 Thu, 13 Nov 2025 14:58:29 GMT https://rip.trb.org/View/2625307 Accessible lavatories https://rip.trb.org/View/2625301 Thu, 13 Nov 2025 10:16:28 GMT https://rip.trb.org/View/2625301 A Guide for Remote Boarding/Deboarding Aircraft Operations https://rip.trb.org/View/2588336 Tue, 12 Aug 2025 09:58:00 GMT https://rip.trb.org/View/2588336 Synthesis of Information Related to Transit Practices. Topic SB-46. Current Practices for Evacuating Persons with Cognitive and Physical Disabilities from Transit Vehicles https://rip.trb.org/View/2576271 Wed, 16 Jul 2025 14:08:27 GMT https://rip.trb.org/View/2576271 Innovations Deserving Exploratory Analysis--The Transit IDEA Program. IDEA 108. TrainMate - Let's Make Public Transportation Public https://rip.trb.org/View/2572327 Tue, 08 Jul 2025 16:41:47 GMT https://rip.trb.org/View/2572327 Designing Cycling Facilities for Older Cyclists and Cyclists with Disabilities https://rip.trb.org/View/2558366 Thu, 29 May 2025 13:12:53 GMT https://rip.trb.org/View/2558366 Emergency Egress for Passengers with Disabilities https://rip.trb.org/View/2529966 Mon, 21 Apr 2025 17:30:38 GMT https://rip.trb.org/View/2529966 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 Cabin Safety Accommodation for Passengers with Disabilities https://rip.trb.org/View/2536239 Fri, 11 Apr 2025 11:00:20 GMT https://rip.trb.org/View/2536239