The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations.
Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.
Minimum shear reinforcement requirements in the Association of State Highway Transportation Officials Load and Resistance Factor Design (LRFD) Bridge Design Specifications are based on tests conducted on reinforced concrete panels and beams. The extension of these requirements to prestressed concrete beams has not been comprehensive and may have in
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Sideris, P., Birely, A. C., Hueste, M. B. D., Hurlebaus, S., Koliou, M., Paal, S., Potnuru, N., Sung, W., & Alfaris, S. (2024). Re-examine Minimum Reinforcement Requirements for Shear Design [Project Summary] (Report No. 0-7114). Texas. Department of Transportation. https://rosap.ntl.bts.gov/view/dot/78976
Sideris, Petros, Anna C. Birely, Mary Beth D. Hueste, Stefan Hurlebaus, Maria Koliou, Stephanie Paal, Nikhil Potnuru, Wonsuh Sung, and Suhaib Alfaris. Re-examine Minimum Reinforcement Requirements for Shear Design [Project Summary]. Report no. 0-7114. Texas. Department of Transportation, 2024. https://rosap.ntl.bts.gov/view/dot/78976.
Sideris, Petros, et al. Re-examine Minimum Reinforcement Requirements for Shear Design [Project Summary]. Texas. Department of Transportation, 2024, Report no. 0-7114, ROSA P. https://rosap.ntl.bts.gov/view/dot/78976.
This final report summarizes the results of the novel strategy for managing transportation resources, making use of radio-frequency identification (RFID) technology. Through the utilization of RFID's capacity for remote detecting, the system achieves real-time identification of transportation assets, resulting in substantial enhancements in operati
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Xia, T., & Lee, B. (2024). RFID and Wireless IoT Technologies for Transportation Maintenance Operations and Asset Management (Report No. 2023-4). Vermont Agency of Transportation. https://rosap.ntl.bts.gov/view/dot/78455
Xia, Tian and Byung Lee. RFID and Wireless IoT Technologies for Transportation Maintenance Operations and Asset Management. Report no. 2023-4. Vermont Agency of Transportation, 2024. https://rosap.ntl.bts.gov/view/dot/78455.
Xia, Tian, and Byung Lee RFID and Wireless IoT Technologies for Transportation Maintenance Operations and Asset Management. Vermont Agency of Transportation, 2024, Report no. 2023-4, ROSA P. https://rosap.ntl.bts.gov/view/dot/78455.
Many state departments of transportation across the US are in various stages and levels of implementation of performance testing for Balanced Mix Design (BMD). The tests are intended to provide data to the designer with the goal of developing a mix design that balances adequate resistance to rutting and stripping with resistance to thermal and stre
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Mahoney, J., Bernier, A., McLaughlin, J., Yut, I., & Zinke, S. (2024). Inter-Laboratory Study (ILS) of Bituminous Concrete Balanced Mix Design (BMD) Tests for Use on VTrans Projects (Report No. 2023-02). Vermont Agency of Transportation. https://rosap.ntl.bts.gov/view/dot/78454
Mahoney, James, Alex Bernier, James McLaughlin, Iliya Yut, and Scott Zinke. Inter-Laboratory Study (ILS) of Bituminous Concrete Balanced Mix Design (BMD) Tests for Use on VTrans Projects. Report no. 2023-02. Vermont Agency of Transportation, 2024. https://rosap.ntl.bts.gov/view/dot/78454.
Mahoney, James, et al. Inter-Laboratory Study (ILS) of Bituminous Concrete Balanced Mix Design (BMD) Tests for Use on VTrans Projects. Vermont Agency of Transportation, 2024, Report no. 2023-02, ROSA P. https://rosap.ntl.bts.gov/view/dot/78454.
This Final Project Report (FPR) addresses: 1. Description of the project. 2. The overall budget. 3. How the work performed met program criteria. 4. Results of the project. 5. Challenges and lessons learned.
Belk, R. L. (2024). Final Project Report: The 5-Stage Workforce Development Lifecycle Project (Report No. FHWA/TX-25/5-9055-01-R1). University of Texas at Arlington. https://rosap.ntl.bts.gov/view/dot/82929
Belk, Ray L. Final Project Report: The 5-Stage Workforce Development Lifecycle Project. Report no. FHWA/TX-25/5-9055-01-R1. University of Texas at Arlington, 2024. https://rosap.ntl.bts.gov/view/dot/82929.
Belk, Ray L Final Project Report: The 5-Stage Workforce Development Lifecycle Project. University of Texas at Arlington, 2024, Report no. FHWA/TX-25/5-9055-01-R1, ROSA P. https://rosap.ntl.bts.gov/view/dot/82929.
Implementation Product #1 (P1) addresses the following in matrix format: 1. A summary of technical assistance provided throughout the project. 2. Results of product validation. 3. Implementation success stories.
Belk, R. L. (2024). Implementation Product: Executive Summary of The Five-Stage Workforce Development Lifecycle Project (Report No. Product 5-9055-01-P1). University of Texas at Arlington. https://rosap.ntl.bts.gov/view/dot/82930
Belk, Ray L. Implementation Product: Executive Summary of The Five-Stage Workforce Development Lifecycle Project. Report no. Product 5-9055-01-P1. University of Texas at Arlington, 2024. https://rosap.ntl.bts.gov/view/dot/82930.
Belk, Ray L Implementation Product: Executive Summary of The Five-Stage Workforce Development Lifecycle Project. University of Texas at Arlington, 2024, Report no. Product 5-9055-01-P1, ROSA P. https://rosap.ntl.bts.gov/view/dot/82930.
The researchers completed twelve UAS data collection field tests, ten at TxDOT district project sites and two at development test sites, using SfM and LiDAR. Two grades of LiDAR scanners were evaluated based on their ranging capabilities and quality of their position and orientation systems. Data collections were conducted across all four seasons i
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Starek, M. J., Berryhill, J., Pashaei, M., Congo, J., Chu, T., Shukla, H., & Quiroga, C. (2024). Develop Guidelines for Integration of UAS LiDAR and Photogrammetry to Enhance Land Surveying Capabilities [Project Summary Report] (Report No. 0-7157). Texas A&M Transportation Institute. https://rosap.ntl.bts.gov/view/dot/79333
Starek, Michael J., Jacob Berryhill, Mohammad Pashaei, Jose Congo, Tianxing Chu, Harshit Shukla, and Cesar Quiroga. Develop Guidelines for Integration of UAS LiDAR and Photogrammetry to Enhance Land Surveying Capabilities [Project Summary Report]. Report no. 0-7157. Texas A&M Transportation Institute, 2024. https://rosap.ntl.bts.gov/view/dot/79333.
Starek, Michael J., et al. Develop Guidelines for Integration of UAS LiDAR and Photogrammetry to Enhance Land Surveying Capabilities [Project Summary Report]. Texas A&M Transportation Institute, 2024, Report no. 0-7157, ROSA P. https://rosap.ntl.bts.gov/view/dot/79333.
The Western Transportation Institute (WTI) has been coordinating with Bike Walk Montana and the Montana Department of Commerce’s Main Street Program to help small towns with pop-up projects aimed at slowing traffic to create safer streets. The Department of Commerce suggested opportunities for pop-up traffic calming in Hamilton, Montana, where City
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Madsen, M., & Gleason, R. (2024). City of Hamilton State Street Traffic Calming Project: July 19–October 15, 2024 (Report No. 4WA098HamS). Montana State University. Western Transportation Institute. https://rosap.ntl.bts.gov/view/dot/78345
Madsen, Matthew and Rebecca Gleason. City of Hamilton State Street Traffic Calming Project: July 19–October 15, 2024. Report no. 4WA098HamS. Montana State University. Western Transportation Institute, 2024. https://rosap.ntl.bts.gov/view/dot/78345.
Madsen, Matthew, and Rebecca Gleason City of Hamilton State Street Traffic Calming Project: July 19–October 15, 2024. Montana State University. Western Transportation Institute, 2024, Report no. 4WA098HamS, ROSA P. https://rosap.ntl.bts.gov/view/dot/78345.
Measuring the relationship between transportation insecurity, health inequality, and health access. October 29, 2024 APHA Annual meeting, Minneapolis, MN.
Murphy, A., & Kirkwood, M. (2024). Measuring the Relationship Between Transportation Insecurity, Health Inequality, and Health Access. University of Michigan. https://rosap.ntl.bts.gov/view/dot/89184
Murphy, Alex and Maureen Kirkwood. Measuring the Relationship Between Transportation Insecurity, Health Inequality, and Health Access. University of Michigan, 2024. https://rosap.ntl.bts.gov/view/dot/89184.
Murphy, Alex, and Maureen Kirkwood Measuring the Relationship Between Transportation Insecurity, Health Inequality, and Health Access. University of Michigan, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/89184.
The West Yellowstone Business Improvement Advisory Board (BIAB) reached out to the Western Transportation Institute (WTI) in fall 2023 to request help slowing traffic through W. Yellowstone, Montana, to create safer streets, especially for pedestrians. In October 2023, WTI met with Montana Department of Transportation (MDT) staff to discuss the pos
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Gleason, R., & Madsen, M. (2024). West Yellowstone Highway 20 Traffic Calming Project: July 23rd – October 15th, 2024 (Report No. 4WA098WYel). West Yellowstone Business Improvement Advisory Board. https://rosap.ntl.bts.gov/view/dot/78342
Gleason, Rebecca and Matthew Madsen. West Yellowstone Highway 20 Traffic Calming Project: July 23rd – October 15th, 2024. Report no. 4WA098WYel. West Yellowstone Business Improvement Advisory Board, 2024. https://rosap.ntl.bts.gov/view/dot/78342.
Gleason, Rebecca, and Matthew Madsen West Yellowstone Highway 20 Traffic Calming Project: July 23rd – October 15th, 2024. West Yellowstone Business Improvement Advisory Board, 2024, Report no. 4WA098WYel, ROSA P. https://rosap.ntl.bts.gov/view/dot/78342.
This study leverages high-fidelity observational data to analyze driver behavior and vehicle dynamics within work zones (WZs) on Tennessee’s interstate highways, aiming to evaluate critical aspects of safety, mobility, and driver comfort. Data were collected over several months from GPS, IMU sensors, and video recordings on commercial vehicles trav
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Mishra, S., Golias, M. M., Thapa, D., & Neupane, P. (2024). Informed Safety, Mobility, and Driver Comfort Enhancement Practices for Work Zones: Learnings from High-Fidelity Data. Tennessee. Department of Transportation. https://rosap.ntl.bts.gov/view/dot/79101
Mishra, Sabyasachee, Mihalis M. Golias, Diwas Thapa, and Pawan Neupane. Informed Safety, Mobility, and Driver Comfort Enhancement Practices for Work Zones: Learnings from High-Fidelity Data. Tennessee. Department of Transportation, 2024. https://rosap.ntl.bts.gov/view/dot/79101.
Mishra, Sabyasachee, et al. Informed Safety, Mobility, and Driver Comfort Enhancement Practices for Work Zones: Learnings from High-Fidelity Data. Tennessee. Department of Transportation, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/79101.
E-commerce services and facilities have the benefits of bringing new employment opportunities to communities and meeting consumer needs, but they also attract heavy traffic, which results in congestion and negative environmental and economic repercussions. This project offers a new lens for studying future e-commerce facility siting, considering cu
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Asmussen, K., Anderson, S. M., Kothawala, A., Macias, L., Boyles, S., Li, Y., Zilligen, C., Savarese, B., Juri, N. R., Perrine, K. A., Saxena, S., & Bhat, C. R. (2024). Evaluate Logistics Sprawl's Impacts on E-commerce Travel Patterns (Report No. FHWA/TX-24/0-7165-1). Texas Department of Transportation. Research and Technology Implementation Office. https://rosap.ntl.bts.gov/view/dot/77899
Asmussen, Katherine, Samantha M Anderson, Alimurtaza Kothawala, Lisa Macias, Stephen Boyles, Yu Li, and Caitlan Zilligen, et al.. Evaluate Logistics Sprawl's Impacts on E-commerce Travel Patterns. Report no. FHWA/TX-24/0-7165-1. Texas Department of Transportation. Research and Technology Implementation Office, 2024. https://rosap.ntl.bts.gov/view/dot/77899.
Asmussen, Katherine, et al. Evaluate Logistics Sprawl's Impacts on E-commerce Travel Patterns. Texas Department of Transportation. Research and Technology Implementation Office, 2024, Report no. FHWA/TX-24/0-7165-1, ROSA P. https://rosap.ntl.bts.gov/view/dot/77899.
This report details the evaluation of a field study of the perpetual pavement concept. Seven test sections were instrumented on WAY 83 each with a specific build up to allow for a comprehensive examination of the effect of adding High Polymer to an asphalt mix. Sensors were installed in the test sections, including strain gages, temperature sensors
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Khoury, I., Chou, E., Robbins, M., Green, R., & Al Issa, M. (2024). A Field Evaluation of the Perpetual Pavement Concept (Report No. FHWA/OH-2025/12). Ohio. Department of Transportation. https://rosap.ntl.bts.gov/view/dot/86903
Khoury, Issam, Eddie Chou, Mary Robbins, Roger Green, and Mutaz Al Issa. A Field Evaluation of the Perpetual Pavement Concept. Report no. FHWA/OH-2025/12. Ohio. Department of Transportation, 2024. https://rosap.ntl.bts.gov/view/dot/86903.
Khoury, Issam, et al. A Field Evaluation of the Perpetual Pavement Concept. Ohio. Department of Transportation, 2024, Report no. FHWA/OH-2025/12, ROSA P. https://rosap.ntl.bts.gov/view/dot/86903.
This study investigated the viability of using crowdsourced data sets, specifically segment speed data (SSD) and connected vehicle data (CVD), for providing real-time traffic information to the public. After a literature review and interviews with state department of transportation personnel were conducted, the study focused on work zone queue warn
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Day, C. M., & Knickerbocker, S. (2024). Usefulness and Reliability of Probe Data When Alerting Work Zone Message Signs [Summary]. Smart Work Zone Deployment Initiative. https://rosap.ntl.bts.gov/view/dot/80872
Day, Christopher M. and Skylar Knickerbocker. Usefulness and Reliability of Probe Data When Alerting Work Zone Message Signs [Summary]. Smart Work Zone Deployment Initiative, 2024. https://rosap.ntl.bts.gov/view/dot/80872.
Day, Christopher M., and Skylar Knickerbocker Usefulness and Reliability of Probe Data When Alerting Work Zone Message Signs [Summary]. Smart Work Zone Deployment Initiative, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/80872.
This study investigated the viability of using crowdsourced data sets, specifically segment speed data (SSD) and connected vehicle data (CVD), for providing real-time traffic information to the public. After a literature review and interviews with state department of transportation personnel were conducted, the study focused on work zone queue warn
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Day, C. M., Okaidjah, D., & Knickerbocker, S. (2024). Usefulness and Reliability of Probe Data When Alerting Work Zone Message Signs (Report No. Part of TPF-5(438)). Smart Work Zone Deployment Initiative. https://rosap.ntl.bts.gov/view/dot/80871
Day, Christopher M., Dorcas Okaidjah, and Skylar Knickerbocker. Usefulness and Reliability of Probe Data When Alerting Work Zone Message Signs. Report no. Part of TPF-5(438). Smart Work Zone Deployment Initiative, 2024. https://rosap.ntl.bts.gov/view/dot/80871.
Day, Christopher M., et al. Usefulness and Reliability of Probe Data When Alerting Work Zone Message Signs. Smart Work Zone Deployment Initiative, 2024, Report no. Part of TPF-5(438), ROSA P. https://rosap.ntl.bts.gov/view/dot/80871.
Micromobility has become increasingly popular in cities across Florida and the nation, offering a convenient, flexible, and accessible alternative for short-distance travel, particularly for first- and last-mile transportation. However, most areas of Florida and even the nation currently lack a framework and established practices for micromobility
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Peng, Z. R., Lu, K., & Liu, Y. (2024). Micromobility Analytics in Florida: Usage Patterns, Public Transit Synergies, and Crash Insights. Florida Department of Transportation. https://rosap.ntl.bts.gov/view/dot/86120
Peng, Zhong-Ren, Kaifa Lu, and Yanghe Liu. Micromobility Analytics in Florida: Usage Patterns, Public Transit Synergies, and Crash Insights. Florida Department of Transportation, 2024. https://rosap.ntl.bts.gov/view/dot/86120.
Peng, Zhong-Ren, et al. Micromobility Analytics in Florida: Usage Patterns, Public Transit Synergies, and Crash Insights. Florida Department of Transportation, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/86120.
Commercial motor vehicle (CMV) drivers who engage in federally prohibited activities such as not wearing safety belts, using hand-held mobile phones, or texting while driving endanger themselves and imperil the well-being of everyone who occupies the surrounding roadway environment. Unfortunately, conventional CMV inspection routines fail to detect
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Leddy, D., Beaven, B., Li, X., Martin, A., Walton, J., & Van Dyke, W. (2024). Evaluation of Kentucky’s Driver Focus Camera System (Report No. KTC-25-10). University of Kentucky Transportation Center. https://doi.org/10.13023/ktc.rr.2025.10
Leddy, David, Brian Beaven, Xiaobing Li, Andrew Martin, Jennifer Walton, and William Van Dyke. Evaluation of Kentucky’s Driver Focus Camera System. Report no. KTC-25-10. University of Kentucky Transportation Center, 2024. https://doi.org/10.13023/ktc.rr.2025.10.
Leddy, David, et al. Evaluation of Kentucky’s Driver Focus Camera System. University of Kentucky Transportation Center, 2024, Report no. KTC-25-10, ROSA P. https://doi.org/10.13023/ktc.rr.2025.10.
Cementitious fireproofing has become an essential technique for safeguarding tunnel infrastructure against fire-induced damage, principally by providing a thermal barrier between flexural members and a fire event. Although fireproofing is extensively employed across different sectors, its specific utilization and efficacy in tunnel scenarios is ina
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Toscano, T., Gerasimidis, S., & Civjan, S. (2024). Post-Fire Damage Inspection of Concrete Structures Phase III – In-Situ Experimental Phase (Report No. 24-064). Massachusetts. Dept. of Transportation. Office of Transportation Planning. https://rosap.ntl.bts.gov/view/dot/79352
Toscano, Tom, Simos Gerasimidis, and Scott Civjan. Post-Fire Damage Inspection of Concrete Structures Phase III – In-Situ Experimental Phase. Report no. 24-064. Massachusetts. Dept. of Transportation. Office of Transportation Planning, 2024. https://rosap.ntl.bts.gov/view/dot/79352.
Toscano, Tom, et al. Post-Fire Damage Inspection of Concrete Structures Phase III – In-Situ Experimental Phase. Massachusetts. Dept. of Transportation. Office of Transportation Planning, 2024, Report no. 24-064, ROSA P. https://rosap.ntl.bts.gov/view/dot/79352.
The AASHTO LRFD Bridge Design Specifications (AASHTO, 2017), hereafter referred to as AASHTO LRFD, includes an approximate method for the design of slender RC bridge columns. This approximate method, the method most commonly used by bridge engineers, was adapted from building design codes such as the ACI Building Code Requirements for Structural Co
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Denavit, M. D., Esmaeelpour, J., Scott, M. H., & Zhu, M. (2024). Second Order Effects on the Design of Slender Reinforced Concrete Bridge Columns (Report No. CA24-3684). California. Department of Transportation. https://rosap.ntl.bts.gov/view/dot/85019
Denavit, Mark D, Javad Esmaeelpour, Michael H. Scott, and Minjie Zhu. Second Order Effects on the Design of Slender Reinforced Concrete Bridge Columns. Report no. CA24-3684. California. Department of Transportation, 2024. https://rosap.ntl.bts.gov/view/dot/85019.
Denavit, Mark D, et al. Second Order Effects on the Design of Slender Reinforced Concrete Bridge Columns. California. Department of Transportation, 2024, Report no. CA24-3684, ROSA P. https://rosap.ntl.bts.gov/view/dot/85019.
The research scope of this proposal focuses on the development and testing of an innovative Ultra-High Performance Concrete (UHPC) H-pile system for use in bridge foundations in Alabama. The main goal is to design a cost-effective, durable H-shaped prestressed pile that matches the physical dimensions and weight characteristics of traditional steel
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Aaleti, S., Willis, G., & Mello, E. M. (2024). Development of an Ultra-High-Performance Concrete H-Pile and It’s Connections for Alabama Bridge Foundations (Report No. 931-019). Alabama. Department of Transportation. https://rosap.ntl.bts.gov/view/dot/88392
Aaleti, Sriram, Gabrielle Willis, and Eunice Mendes Mello. Development of an Ultra-High-Performance Concrete H-Pile and It’s Connections for Alabama Bridge Foundations. Report no. 931-019. Alabama. Department of Transportation, 2024. https://rosap.ntl.bts.gov/view/dot/88392.
Aaleti, Sriram, et al. Development of an Ultra-High-Performance Concrete H-Pile and It’s Connections for Alabama Bridge Foundations. Alabama. Department of Transportation, 2024, Report no. 931-019, ROSA P. https://rosap.ntl.bts.gov/view/dot/88392.
Sealers and coatings protect concrete bridge substructure elements from chloride-induced corrosion and extend the useful life of existing bridges. Their application is a common practice by the Texas Department of Transportation (TxDOT). Although concrete-penetrating surface treatments, Type X waterproofing, silicone resin paint, or opaque sealers a
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Mukhopadhyay, A., & Mistri, A. (2024). 0-7167: Evaluate Performance of Sealers and Coatings Applied to TxDOT Bridge Substructures (Report No. 0-7167). Texas. Department of Transportation. https://rosap.ntl.bts.gov/view/dot/78982
Mukhopadhyay, Anol and Abhijit Mistri. 0-7167: Evaluate Performance of Sealers and Coatings Applied to TxDOT Bridge Substructures. Report no. 0-7167. Texas. Department of Transportation, 2024. https://rosap.ntl.bts.gov/view/dot/78982.
Mukhopadhyay, Anol, and Abhijit Mistri 0-7167: Evaluate Performance of Sealers and Coatings Applied to TxDOT Bridge Substructures. Texas. Department of Transportation, 2024, Report no. 0-7167, ROSA P. https://rosap.ntl.bts.gov/view/dot/78982.
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