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/ Evaluating Construction Workforce Conditions and Their Effects on Productivity and Project Scheduling https://rip.trb.org/View/2712203 Wed, 10 Jun 2026 11:14:16 GMT https://rip.trb.org/View/2712203 Streamlining Compliance Criteria and Preemptively Identifying Slowdowns for Hastened Project Delivery – Lessons from Efficient Agencies https://rip.trb.org/View/2712199 Wed, 10 Jun 2026 11:02:25 GMT https://rip.trb.org/View/2712199 Nebraska Risk-Informed Construction Scheduling and Impact Analysis https://rip.trb.org/View/2689393 Tue, 02 Jun 2026 12:25:19 GMT https://rip.trb.org/View/2689393 Best Practices for TxDOT Constructability Reviews (CRs) https://rip.trb.org/View/2652071 Fri, 09 Jan 2026 16:26:42 GMT https://rip.trb.org/View/2652071 Strategies for Controlling Cost and Schedule Growth on Alternative Delivery Projects https://rip.trb.org/View/2558415 Tue, 27 May 2025 20:31:48 GMT https://rip.trb.org/View/2558415 Optimizing the STIP Letting and Construction Schedule https://rip.trb.org/View/2464347 Tue, 26 Nov 2024 11:45:14 GMT https://rip.trb.org/View/2464347 Assessing Ohio's Approach to Clearing Utilities on Highway Projects Process Improvements https://rip.trb.org/View/2431341 Tue, 17 Sep 2024 14:27:47 GMT https://rip.trb.org/View/2431341 Updating Progress Scheduling of the Iowa DOT Standard Specifications for Highway and Bridge Construction https://rip.trb.org/View/2344945 Tue, 27 Feb 2024 17:08:17 GMT https://rip.trb.org/View/2344945 Develop an Interactive Statewide Production Rate Estimation Tool for Reliable Contract Time Determination https://rip.trb.org/View/2255820 Wed, 27 Sep 2023 14:01:03 GMT https://rip.trb.org/View/2255820 Develop or Improve Construction Scheduling Methods and Model for Construction Projects https://rip.trb.org/View/2091973 Fri, 30 Dec 2022 08:38:36 GMT https://rip.trb.org/View/2091973 A Scheduling Assistant Toolkit for GDOT’s Effective Planning of Transportation Projects https://rip.trb.org/View/2046781 Tue, 18 Oct 2022 13:43:31 GMT https://rip.trb.org/View/2046781 Effective Timelines and Contractual Strategies for Accelerated Bridge Construction Projects https://rip.trb.org/View/1957101 Tue, 24 May 2022 19:13:22 GMT https://rip.trb.org/View/1957101 Optimization of Transportation Infrastructure System Performance with Autonomous Maintenance Technology in Work Zones https://rip.trb.org/View/1762377 Thu, 07 Jan 2021 13:49:53 GMT https://rip.trb.org/View/1762377 Real-time Monitoring of Concrete Strength to Determine Optimal Traffic Opening Time https://rip.trb.org/View/1762344 Wed, 06 Jan 2021 16:57:11 GMT https://rip.trb.org/View/1762344 SPR-4513: Determining Optimal Traffic Opening Time through Concrete Strength Monitoring – Wireless Sensing https://rip.trb.org/View/1718347 Mon, 06 Jul 2020 08:59:48 GMT https://rip.trb.org/View/1718347