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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
    <docs>http://blogs.law.harvard.edu/tech/rss</docs>
    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>Research in Progress (RIP)</title>
      <url>https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg</url>
      <link>https://rip.trb.org/</link>
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    <item>
      <title>2026 Employee Survey 
</title>
      <link>https://rip.trb.org/View/2719330</link>
      <description><![CDATA[The primary objectives are assist with the review and update of 2026 employee survey, review and select methods of survey implementation, conduct survey, analyze the survey results, assist in presentation of survey results to Georgia Department of Transportation (GDOT) Division and District Offices, and develop executive summaries and survey findings reports.
]]></description>
      <pubDate>Thu, 25 Jun 2026 13:01:39 GMT</pubDate>
      <guid>https://rip.trb.org/View/2719330</guid>
    </item>
    <item>
      <title>Building a Sustainable Workforce: Enhancing Employee Retention at GDOT
</title>
      <link>https://rip.trb.org/View/2719324</link>
      <description><![CDATA[
This research project aims to improve employee retention, particularly Transportation Engineers and Transportation Specialists. By identifying and analyzing current practices alongside employee experiences and expectations, it will offer evidence-based insights to inform decision-makers, including the Office of HR.
]]></description>
      <pubDate>Thu, 25 Jun 2026 11:39:07 GMT</pubDate>
      <guid>https://rip.trb.org/View/2719324</guid>
    </item>
    <item>
      <title>Roadmap for Transportation Systems Digital Infrastructure
</title>
      <link>https://rip.trb.org/View/2719308</link>
      <description><![CDATA[This research is a roadmap for innovative application of Georgia Department of Transportation's (GDOT's) digital information assets in support of developing the digital transportation infrastructure.
]]></description>
      <pubDate>Thu, 25 Jun 2026 09:34:49 GMT</pubDate>
      <guid>https://rip.trb.org/View/2719308</guid>
    </item>
    <item>
      <title>Assessment of GDOT Grassing Practices for Post-Construction Disturbed Areas within the Right-of-Way
</title>
      <link>https://rip.trb.org/View/2717785</link>
      <description><![CDATA[The objective of the proposed research study is to assess the effectiveness of Georgia Department of Transportation's (GDOT)’s current grassing revegetation process and provide recommendations for improvement. 
]]></description>
      <pubDate>Wed, 24 Jun 2026 14:43:10 GMT</pubDate>
      <guid>https://rip.trb.org/View/2717785</guid>
    </item>
    <item>
      <title>Roadmap for Innovative Application of GDOT's Digital Information Assets in Support of Developing the Digital Transportation Infrastructure</title>
      <link>https://rip.trb.org/View/2596466</link>
      <description><![CDATA[
This project proposes the development of a comprehensive roadmap for digital infrastructure in transportation which will provide the necessary guidance and insights to support the implementation of digital technologies and drive innovation in the transportation sector. ]]></description>
      <pubDate>Fri, 05 Sep 2025 13:03:29 GMT</pubDate>
      <guid>https://rip.trb.org/View/2596466</guid>
    </item>
    <item>
      <title>Integrating Weight-in-Motion (WIM) with Vehicle and Land-Use Data Sources to Characterize Freight Truck Patterns and Optimize WIM Site Placement</title>
      <link>https://rip.trb.org/View/2589064</link>
      <description><![CDATA[The objective of this research is to: support Georgia Department of Transportation (GDOT) in enhancing its freight monitoring capabilities by evaluating the effectiveness of its existing weigh-in-motion (WIM) network and assessing the potential of integrating multiple data sources to inform future WIM site placement.

]]></description>
      <pubDate>Thu, 14 Aug 2025 14:09:36 GMT</pubDate>
      <guid>https://rip.trb.org/View/2589064</guid>
    </item>
    <item>
      <title>Transition to Cellular V2X for Georgia's Connected Vehicles
</title>
      <link>https://rip.trb.org/View/2511181</link>
      <description><![CDATA[This research aims to provide technical guidance for the Georgia Department of Transportation (GDOT) on DSRC-C-V2X transition, ensuring the seamless operation of Georgia's connected vehicles and ITS infrastructure. By addressing this interference issue, the research team aims to pave the way for broader acceptance and implementation of intelligent transportation systems. The significance of this research stems from the limited number of studies addressing in-band interference from Wi-Fi in the 5.9 GHz band due to the Federal Communication Commission's (FCC's) recent order. Notably, these studies that were conducted by relevant organizations such as U.S. Department of Transportation (USDOT) and FCC lack technical details in regard to the bandwidth reduction to the ""upper 30 MHz."
]]></description>
      <pubDate>Tue, 18 Feb 2025 15:08:07 GMT</pubDate>
      <guid>https://rip.trb.org/View/2511181</guid>
    </item>
    <item>
      <title>Tailoring Alternative Project Delivery Methods to Deploy an Effective Hydrogen Fueling Infrastructure for Commercial Vehicles in Georgia</title>
      <link>https://rip.trb.org/View/2508956</link>
      <description><![CDATA[The major objective of this research is to assist the Georgia Department of Transportation (GDOT) in understanding the market characteristics and laying the foundation for developing delivery approaches for the rapid integration of hydrogen fueling stations for commercial vehicles throughout GDOT’s transportation network.]]></description>
      <pubDate>Wed, 12 Feb 2025 10:01:03 GMT</pubDate>
      <guid>https://rip.trb.org/View/2508956</guid>
    </item>
    <item>
      <title>A Comprehensive Guideline for GDOT Bridges Fire Hazard Assessment</title>
      <link>https://rip.trb.org/View/2508941</link>
      <description><![CDATA[The primary goal of this research is to develop a comprehensive guideline for the Georgia Department of Transportation (GDOT) to assess fire hazards in bridge structures.]]></description>
      <pubDate>Tue, 11 Feb 2025 16:02:30 GMT</pubDate>
      <guid>https://rip.trb.org/View/2508941</guid>
    </item>
    <item>
      <title>A Decision-Making Guide to Explore the Benefits of Design-Build-Maintain (DBM) and Design-Build-Operate-Maintain (DBOM) Alternative Delivery Systems to Assist GDOT in Anticipation of Emerging Technologies Deployed in GDOT's Network</title>
      <link>https://rip.trb.org/View/2341571</link>
      <description><![CDATA[The objective of this research is to create a guidebook for evaluating when to use Design-Build-Maintain (DBM) and Design-Build-Operate-Maintain (DBOM) project delivery approaches and to develop evaluation strategies and performance metrics for observing the value-added contributions of new and emerging technology to project delivery.
]]></description>
      <pubDate>Mon, 19 Feb 2024 15:19:34 GMT</pubDate>
      <guid>https://rip.trb.org/View/2341571</guid>
    </item>
    <item>
      <title>Develop an Off-System Bridge Managers Training Program to Increase Collaboration and Access to GDOT's Resources Including LIBP and Promote Best Practices</title>
      <link>https://rip.trb.org/View/2269984</link>
      <description><![CDATA[The main objective of the proposed project is to initiate, develop, and deliver a local-system’s training program by bringing together 159 counties’ bridge managers and other local government personnel, Georgia Department of Transportation (GDOT) district offices, and GDOT’s Office of Bridge Design and Maintenance (OBDM) to: (1) educate local government managers and GDOT employees for GDOT’s LIBP, LOCBR, SFLB, and best practices, and (2) develop on-demand training modules that will allow for the continuity and improvement of off-system bridge management beyond the duration of this project.
]]></description>
      <pubDate>Tue, 17 Oct 2023 10:37:57 GMT</pubDate>
      <guid>https://rip.trb.org/View/2269984</guid>
    </item>
    <item>
      <title>Coastal Flood Roadway Vulnerability Assessment</title>
      <link>https://rip.trb.org/View/2265647</link>
      <description><![CDATA[The primary goal of this research is to create a vulnerability assessment of Georgia’s coastal roadways to storm surge flooding and sea level rise (SLR).
Objectives are as follows:
(1) Derive roadway crown elevations using the newly released coastal Georgia lidar elevation dataset. This is an improvement to projects in other regions, where the roadway is incorrectly assumed to be the same elevation as the surrounding land (Davis and Dow 2019). 
(2) Perform hydrodynamic simulations for each storm and SLR scenario using a newly updated, high-resolution (20 m resolution in the horizontal) ADCIRC+SWAN model of coastal Georgia. This is an improvement from existing roadway vulnerability assessments. 
(3) Overlay the results from Task 1 and 2 and determine overtopped road sections for each flooding scenario.]]></description>
      <pubDate>Tue, 10 Oct 2023 11:28:54 GMT</pubDate>
      <guid>https://rip.trb.org/View/2265647</guid>
    </item>
    <item>
      <title>A Scheduling Assistant Toolkit for GDOT’s Effective Planning of Transportation Projects 

</title>
      <link>https://rip.trb.org/View/2046781</link>
      <description><![CDATA[This research aims to (1) capture true productivity rates for certain project activities (e.g., asphalt, GAB, grading/earthwork) through benchmarking selected Georgia Department of Transportation (GDOT) projects, and to identify a set of best practices for GDOT to continuously collect and capture true productivity rates in future projects, and (2) to develop a scheduling assistant toolkit for determining a recommended degree of overlapping among project activities. To achieve the goals of this proposal, this research will address the following research tasks outlined in the work plan section below.]]></description>
      <pubDate>Tue, 18 Oct 2022 13:43:31 GMT</pubDate>
      <guid>https://rip.trb.org/View/2046781</guid>
    </item>
    <item>
      <title>Practical Assessment of Non-Destructive Testing (NDT) Techniques for On-Site Implementation on GDOT Construction Projects</title>
      <link>https://rip.trb.org/View/1937280</link>
      <description><![CDATA[
This research's overarching objective is to develop a systematic methodology of employing Ground Penetrating Radar (GPR), including instruments, subsequent data processing, and interpretation that can be used regularly and reliably as part of roadway pavement construction projects.]]></description>
      <pubDate>Mon, 04 Apr 2022 12:45:35 GMT</pubDate>
      <guid>https://rip.trb.org/View/1937280</guid>
    </item>
    <item>
      <title>Pragmatic Precast/Prestressed Girder Acceptance Criteria</title>
      <link>https://rip.trb.org/View/1934468</link>
      <description><![CDATA[The objectives of this research are to collect and quantify the types and occurrences of girder nonconformance in Georgia Department of Transportation (GDOT). To thoroughly review and synthesize quality requirements; to utilize computational models to determine tiered acceptance thresholds; to assess which nonconformance issues are associated with service life reduction, making contracting recommendations for appropriate contracting structures (e.g., penalties) for nonconforming elements; and to summarize research findings in a pragmatic form by providing recommendations for a tiered acceptance system via a draft GDOT quality manual for precast/prestressed girders.]]></description>
      <pubDate>Wed, 30 Mar 2022 08:49:43 GMT</pubDate>
      <guid>https://rip.trb.org/View/1934468</guid>
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