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/ Innovative Approaches to Maintenance Funding for Active Transportation Infrastructure on State Highways Research https://rip.trb.org/View/2712169 Tue, 09 Jun 2026 12:38:59 GMT https://rip.trb.org/View/2712169 Advanced Technologies and Data Analytics for Safe, Smart, and Efficient Transportation (ASSET) https://rip.trb.org/View/2709572 Wed, 03 Jun 2026 15:27:05 GMT https://rip.trb.org/View/2709572 Improving Crash Data for Active Transportation Users https://rip.trb.org/View/2701260 Tue, 12 May 2026 15:48:07 GMT https://rip.trb.org/View/2701260 Monitoring Active Transportation Demand and Safety with Computer Vision https://rip.trb.org/View/2696847 Tue, 28 Apr 2026 11:05:10 GMT https://rip.trb.org/View/2696847 Observational Intersection Traffic Safety Analysis https://rip.trb.org/View/2655705 Mon, 19 Jan 2026 16:30:17 GMT https://rip.trb.org/View/2655705 Transportation and Mental Health in Central Texas Using 211 Call Center Data – An Exploratory Analysis https://rip.trb.org/View/2652177 Tue, 13 Jan 2026 15:19:02 GMT https://rip.trb.org/View/2652177 Assessing Quick Builds and Safe Streets for Non-Motorized Safety Using Simulations and Portable Sensing Technology https://rip.trb.org/View/2606402 Thu, 02 Oct 2025 14:57:54 GMT https://rip.trb.org/View/2606402 RES2025-07: Active Transportation Quick-Build Program Guidelines https://rip.trb.org/View/2499109 Wed, 29 Jan 2025 10:29:22 GMT https://rip.trb.org/View/2499109 How Do Mode-Specific Network Metrics Impact Safety Outcomes? https://rip.trb.org/View/2472695 Mon, 09 Dec 2024 10:04:49 GMT https://rip.trb.org/View/2472695 Investigating Travel Survey Representativeness: Who’s Missing and What Can We Do? https://rip.trb.org/View/2440263 Thu, 10 Oct 2024 16:16:10 GMT https://rip.trb.org/View/2440263 Statewide Lane Reconfiguration “Road Diet” Screening for Louisiana https://rip.trb.org/View/2394474 Tue, 18 Jun 2024 10:47:28 GMT https://rip.trb.org/View/2394474 Synthesis of Information Related to Highway Practices. Topic 56-05. Traffic Analysis Practices for Non-Motorized Modes https://rip.trb.org/View/2384705 Fri, 31 May 2024 20:33:32 GMT https://rip.trb.org/View/2384705 Building an Effective Framework for Active Transportation Messaging https://rip.trb.org/View/2381710 Mon, 20 May 2024 21:57:01 GMT https://rip.trb.org/View/2381710 BikePed Portal: Pedestrian Volume Estimation Based on Push Button Actuations from Signals Data https://rip.trb.org/View/2361978 Tue, 02 Apr 2024 13:42:35 GMT https://rip.trb.org/View/2361978 The Active Transportation Resource Center Administration https://rip.trb.org/View/2350818 Wed, 13 Mar 2024 17:48:36 GMT https://rip.trb.org/View/2350818