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/ Developing a Data Fusion Tool for Improved Traffic Crash Exposure Analysis and Modeling https://rip.trb.org/View/2663603 Tue, 03 Feb 2026 15:31:17 GMT https://rip.trb.org/View/2663603 Perform Assessment of TxDOT Safety Scoring Tools to Determine Effectiveness and Calibration https://rip.trb.org/View/2636039 Fri, 05 Dec 2025 14:14:27 GMT https://rip.trb.org/View/2636039 Evaluate Emerging Transportation Technologies and Advancements in Engineering and Roadway Safety Efforts Impact on Crashes https://rip.trb.org/View/2606397 Thu, 02 Oct 2025 09:41:56 GMT https://rip.trb.org/View/2606397 Development of Crash Modification Factors/Functions for Bus Stops https://rip.trb.org/View/2601434 Thu, 18 Sep 2025 01:01:24 GMT https://rip.trb.org/View/2601434 Implementation Requirements for Work Zone Intrusion Technologies to Reduce Fatalities https://rip.trb.org/View/2596487 Mon, 08 Sep 2025 11:58:54 GMT https://rip.trb.org/View/2596487 Covid and Traffic Crashes/Impact on Safety Targets https://rip.trb.org/View/2562323 Mon, 09 Jun 2025 07:59:41 GMT https://rip.trb.org/View/2562323 Examination of Light-Based Directed Vehicle to Everything Communications Systems for Bridge Strike Detection https://rip.trb.org/View/2562268 Fri, 06 Jun 2025 14:57:35 GMT https://rip.trb.org/View/2562268 Updated Calibration Factors for Highway Safety Manual Crash Prediction Models (2020-2023) https://rip.trb.org/View/2536232 Fri, 11 Apr 2025 01:36:13 GMT https://rip.trb.org/View/2536232 Analyzing Railroad Grade Crossing Crashes in Kentucky and Creating New KYTC Railroad Safety Initiatives https://rip.trb.org/View/2417079 Mon, 12 Aug 2024 13:26:36 GMT https://rip.trb.org/View/2417079 Develop Methods to Reduce Crashes and Increase Driver Compliance in Work Zones https://rip.trb.org/View/2377868 Mon, 06 May 2024 16:54:25 GMT https://rip.trb.org/View/2377868 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 Improving Crash Prediction Using GRIDSMART Infrastructure https://rip.trb.org/View/2325689 Mon, 22 Jan 2024 09:44:56 GMT https://rip.trb.org/View/2325689 Holistically Identifying Road Complexity and Relating it to Fatal Crashes https://rip.trb.org/View/2325387 Fri, 19 Jan 2024 10:22:19 GMT https://rip.trb.org/View/2325387 Development of a Traffic Incident Management Toolbox and Evaluation of Data Sources for Effective Early Warning and Detection of Abnormal Traffic Conditions https://rip.trb.org/View/2301125 Thu, 30 Nov 2023 11:04:07 GMT https://rip.trb.org/View/2301125 Utilizing Telematics to Understand Driving Behavior During Missed Exits and Wrong Turns https://rip.trb.org/View/2256324 Wed, 27 Sep 2023 16:18:49 GMT https://rip.trb.org/View/2256324