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.
Chip sealing is a commonly used pavement maintenance technique that aims to delay pavement deterioration by reducing water infiltration and restoring skid resistance. The aim of this study was to characterize the chemical, molecular, and rheological properties of different asphalt emulsions, evaluate their laboratory performance, short-term field p
...
Elseifi, M. A., Rahman, N., Sarkar, T., & Abohamer, H. (2022). Evaluation of Asphalt Rubber and Reclaimed Tire Rubber in Chip Seal Applications (Report No. FHWA/LA.17/660). Louisiana. Department of Transportation and Development. https://rosap.ntl.bts.gov/view/dot/61553
Elseifi, Mostafa A., Nafiur Rahman, Tanvir Sarkar, and Hossam Abohamer. Evaluation of Asphalt Rubber and Reclaimed Tire Rubber in Chip Seal Applications. Report no. FHWA/LA.17/660. Louisiana. Department of Transportation and Development, 2022. https://rosap.ntl.bts.gov/view/dot/61553.
Elseifi, Mostafa A., et al. Evaluation of Asphalt Rubber and Reclaimed Tire Rubber in Chip Seal Applications. Louisiana. Department of Transportation and Development, 2022, Report no. FHWA/LA.17/660, ROSA P. https://rosap.ntl.bts.gov/view/dot/61553.
The primary objective of this study was to assess the challenges and opportunities associated with the provision of appropriate infrastructure to support electric vehicle (EV) operations and electrification across Indiana. A secondary objective of this study was to develop a strategic plan for INDOT that outlines new business opportunities for deve
...
Konstantinou, T., Chen, D., Flaris, K., Kang, K., Koo, D. D., Sinton, J., Gkritza, N., & Labi, S. (2022). A Strategic Assessment of Needs and Opportunities for the Wider Adoption of Electric Vehicles in Indiana (Report No. FHWA/IN/JTRP-2022/12). Purdue University. Joint Transportation Research Program. https://doi.org/10.5703/1288284317376
Konstantinou, Theodora, Donghui Chen, Konstantinos Flaris, Kyubyung Kang, Dan Daehyun Koo, Jonathon Sinton, Nadia Gkritza, and Samuel Labi. A Strategic Assessment of Needs and Opportunities for the Wider Adoption of Electric Vehicles in Indiana. Report no. FHWA/IN/JTRP-2022/12. Purdue University. Joint Transportation Research Program, 2022. https://doi.org/10.5703/1288284317376.
Konstantinou, Theodora, et al. A Strategic Assessment of Needs and Opportunities for the Wider Adoption of Electric Vehicles in Indiana. Purdue University. Joint Transportation Research Program, 2022, Report no. FHWA/IN/JTRP-2022/12, ROSA P. https://doi.org/10.5703/1288284317376.
Passenger and heavy-duty vehicles make up 36% of California’s greenhouse gas (GHG) emissions. Reducing emissions from vehicular travel is therefore paramount for any path towards carbon neutrality. Efforts to reduce GHGs by encouraging mode shift or increasing vehicle efficiency are, and will continue to be, a critical part of decarbonizing the tra
...
Almatrudi, S., Parvate, K., Rothchild, D., & Vijay, U. (2022). Using Automated Vehicle (AV) Technology to Smooth Traffic Flow and Reduce Greenhouse Gas Emissions (Report No. UC-ITS-2021-26). University of California, Berkeley. Institute of Transportation Studies. http://doi.org/10.7922/G2JS9NRB
Almatrudi, Sulaiman, Kanaad Parvate, Daniel Rothchild, and Upadhi Vijay. Using Automated Vehicle (AV) Technology to Smooth Traffic Flow and Reduce Greenhouse Gas Emissions. Report no. UC-ITS-2021-26. University of California, Berkeley. Institute of Transportation Studies, 2022. http://doi.org/10.7922/G2JS9NRB.
Almatrudi, Sulaiman, et al. Using Automated Vehicle (AV) Technology to Smooth Traffic Flow and Reduce Greenhouse Gas Emissions. University of California, Berkeley. Institute of Transportation Studies, 2022, Report no. UC-ITS-2021-26, ROSA P. http://doi.org/10.7922/G2JS9NRB.
The typical low-volume project in Louisiana is mill and replace (~2 in.) with no base repair. The less than ideal base conditions often lead to density variations in the asphalt wearing course. The 2016 Louisiana Department of Transportation and Development specification based pay for asphalt tonnage on density under a percent within limits (PWL) p
...
Mayeux, C. R., & Salari, S. (2022). Feasibility and Performance of Low-Volume Roadway Mixture Design (Report No. FHWA/LA.21/663). Louisiana State University. Louisiana Transportation Research Center. https://rosap.ntl.bts.gov/view/dot/61575
Mayeux, Corey R and Saman Salari. Feasibility and Performance of Low-Volume Roadway Mixture Design. Report no. FHWA/LA.21/663. Louisiana State University. Louisiana Transportation Research Center, 2022. https://rosap.ntl.bts.gov/view/dot/61575.
Mayeux, Corey R, and Saman Salari Feasibility and Performance of Low-Volume Roadway Mixture Design. Louisiana State University. Louisiana Transportation Research Center, 2022, Report no. FHWA/LA.21/663, ROSA P. https://rosap.ntl.bts.gov/view/dot/61575.
The rapid development of transformative transportation technologies, such as bike-sharing, shared e-scooters, and ridehailing systems, is reshaping the transportation landscape. These transformative transportation technologies have the potential to significantly change travel behavior and travel demand and affect transportation agencies’ planning,
...
Luo, H., Chahine, R., Rambaram, A., Rosenzweig, E. T., Gkritza, K., & Cai, H. (2022). Assessing the Travel Demand and Mobility Impacts of Transformative Transportation Technologies in Indiana (Report No. FHWA/IN/JTRP-2022/11). Purdue University. Joint Transportation Research Program. https://doi.org/10.5703/1288284317374
Luo, Hao, Ricardo Chahine, Arianna Rambaram, Elizabeth Thereasa Rosenzweig, Konstantina Gkritza, and Hua Cai. Assessing the Travel Demand and Mobility Impacts of Transformative Transportation Technologies in Indiana. Report no. FHWA/IN/JTRP-2022/11. Purdue University. Joint Transportation Research Program, 2022. https://doi.org/10.5703/1288284317374.
Luo, Hao, et al. Assessing the Travel Demand and Mobility Impacts of Transformative Transportation Technologies in Indiana. Purdue University. Joint Transportation Research Program, 2022, Report no. FHWA/IN/JTRP-2022/11, ROSA P. https://doi.org/10.5703/1288284317374.
This report presents the development and crash testing of a surface-mounted median guardrail on concrete. The research team developed several preliminary design concepts of the median guardrail. One of these was selected by the Texas Department of Transportation for further development through finite element simulation analysis and full-scale crash
...
Sheikh, N. M., Bligh, R. P., Schroeder, W. J. L., & Kuhn, D. L. (2022). Design and MASH TL-3 Evaluation of Surface Mounted Median Guardrail (Report No. FHWA/TX-22/0-7052-R1). Texas A&M Transportation Institute. https://rosap.ntl.bts.gov/view/dot/62469
Sheikh, Nauman M., Roger P. Bligh, William J. L Schroeder, and Darrell L. Kuhn. Design and MASH TL-3 Evaluation of Surface Mounted Median Guardrail. Report no. FHWA/TX-22/0-7052-R1. Texas A&M Transportation Institute, 2022. https://rosap.ntl.bts.gov/view/dot/62469.
Sheikh, Nauman M., et al. Design and MASH TL-3 Evaluation of Surface Mounted Median Guardrail. Texas A&M Transportation Institute, 2022, Report no. FHWA/TX-22/0-7052-R1, ROSA P. https://rosap.ntl.bts.gov/view/dot/62469.
The purpose of this project was to develop a method that could be used to assess the costs and benefits of collecting and maintaining a database on any asset of DOTD, to aid in determining for which assets it was worthwhile to collect data. The literature review established that a methodology for doing this does not already exist. The literature re
...
Stopher, P. R., & Bian, R. (2022). Determining the True Cost and Benefit for Collecting and Maintaining Non-Road and Non-Bridge Asset Data (Report No. FHWA/LA.21/662). Louisiana State University. Louisiana Transportation Research Center. https://rosap.ntl.bts.gov/view/dot/61520
Stopher, Peter R. and Ruijie Bian. Determining the True Cost and Benefit for Collecting and Maintaining Non-Road and Non-Bridge Asset Data. Report no. FHWA/LA.21/662. Louisiana State University. Louisiana Transportation Research Center, 2022. https://rosap.ntl.bts.gov/view/dot/61520.
Stopher, Peter R., and Ruijie Bian Determining the True Cost and Benefit for Collecting and Maintaining Non-Road and Non-Bridge Asset Data. Louisiana State University. Louisiana Transportation Research Center, 2022, Report no. FHWA/LA.21/662, ROSA P. https://rosap.ntl.bts.gov/view/dot/61520.
The roadway system is critical to social development, economic growth, and the overall quality of life. In the U.S., the condition of highways and roads is being compromised due to several reasons including age deterioration, rising costs of construction, and a decline in funding. Similarly, in Minnesota, the majority of pavements are aging and in
...
Fonseca-Sarmiento, C., Zeerak, R., Jiang, H., & Zhao, J. (2022). The Impacts of Deferred Maintenance in Minnesota (Report No. MN 2022-08). Minnesota. Department of Transportation. Office of Research & Innovation. https://rosap.ntl.bts.gov/view/dot/62712
Fonseca-Sarmiento, Camila, Raihana Zeerak, Haiyue Jiang, and Jerry Zhao. The Impacts of Deferred Maintenance in Minnesota. Report no. MN 2022-08. Minnesota. Department of Transportation. Office of Research & Innovation, 2022. https://rosap.ntl.bts.gov/view/dot/62712.
Fonseca-Sarmiento, Camila, et al. The Impacts of Deferred Maintenance in Minnesota. Minnesota. Department of Transportation. Office of Research & Innovation, 2022, Report no. MN 2022-08, ROSA P. https://rosap.ntl.bts.gov/view/dot/62712.
Open Graded Friction Course (OGFC) is a thin permeable surface layer on pavements constructed to ensure higher air void content that provides drainage from the pavement surfaces. This results in a safer riding surface, especially on wet conditions. OGFC pavements have been reported to reduce about 30% more wet crashes compared to densely graded sur
...
Onyango, M., Wu, W., & Owino, J. (2022). Improving Winter Maintenance for Open Graded Friction Course (OGFC) Pavements in Tennessee (Report No. RES 2019-25). Tennessee. Department of Transportation. https://rosap.ntl.bts.gov/view/dot/62688
Onyango, Mbakisya, Weidong Wu, and Joseph Owino. Improving Winter Maintenance for Open Graded Friction Course (OGFC) Pavements in Tennessee. Report no. RES 2019-25. Tennessee. Department of Transportation, 2022. https://rosap.ntl.bts.gov/view/dot/62688.
Onyango, Mbakisya, et al. Improving Winter Maintenance for Open Graded Friction Course (OGFC) Pavements in Tennessee. Tennessee. Department of Transportation, 2022, Report no. RES 2019-25, ROSA P. https://rosap.ntl.bts.gov/view/dot/62688.
A preliminary analysis of failed prestressing strands within a post-tensioned tendon on the Wando River Bridge in South Carolina showed signs of possible hydrogen embrittlement. One proposed source of hydrogen is through galvanic coupling that may exist between the galvanized steel duct and the steel strands. This coupling, if present, can promote
...
Alexander, C. L., Dukeman, D., & Mullins, G. (2022). Identification of the Mechanisms That Produce Hydrogen Embrittlement on Post-tensioning Members and the Effects of Galvanic Coupling on Bridge Tendons. University of South Florida. https://rosap.ntl.bts.gov/view/dot/68944
Alexander, Christopher L, David Dukeman, and Gray Mullins. Identification of the Mechanisms That Produce Hydrogen Embrittlement on Post-tensioning Members and the Effects of Galvanic Coupling on Bridge Tendons. University of South Florida, 2022. https://rosap.ntl.bts.gov/view/dot/68944.
Alexander, Christopher L, et al. Identification of the Mechanisms That Produce Hydrogen Embrittlement on Post-tensioning Members and the Effects of Galvanic Coupling on Bridge Tendons. University of South Florida, 2022, ROSA P. https://rosap.ntl.bts.gov/view/dot/68944.
University of Florida researchers performed a thorough literature review to identify existing test methods that can quantify the performance of concrete with respect to heat evolution, cracking, and durability at the mix design phase.
Ruelke, T., & Ferraro, C. (2022). Testing Methods for the Next Generation of Concrete [Summary] (Report No. BDV31-977-136). Florida. Department of Transportation. Research Center. https://rosap.ntl.bts.gov/view/dot/67979
Ruelke, Tim and Christopher Ferraro. Testing Methods for the Next Generation of Concrete [Summary]. Report no. BDV31-977-136. Florida. Department of Transportation. Research Center, 2022. https://rosap.ntl.bts.gov/view/dot/67979.
Ruelke, Tim, and Christopher Ferraro Testing Methods for the Next Generation of Concrete [Summary]. Florida. Department of Transportation. Research Center, 2022, Report no. BDV31-977-136, ROSA P. https://rosap.ntl.bts.gov/view/dot/67979.
In previous Local Road Research Board (LRRB) studies there has been discussion but no empirical data regarding proprietary stabilizers. The LRRB leveraged an existing rehabilitation project on the border of Beltrami and Hubbard Counties to gather data and report on two stabilizers: engineered emulsion (used on the Beltrami County portion) and BASE
...
Sabouri, M., Wegman, D. E., & Marti, M. (2022). Stabilized Full Depth Reclamation (SFDR) – Evaluation of Two Stabilization Products: BASE ONE® and Engineered Emulsion (Report No. MN 2022-06). Minnesota. Department of Transportation. Local Road Research Board. https://rosap.ntl.bts.gov/view/dot/66965
Sabouri, Mohammadreza, Daniel E. Wegman, and Michael Marti. Stabilized Full Depth Reclamation (SFDR) – Evaluation of Two Stabilization Products: BASE ONE® and Engineered Emulsion. Report no. MN 2022-06. Minnesota. Department of Transportation. Local Road Research Board, 2022. https://rosap.ntl.bts.gov/view/dot/66965.
Sabouri, Mohammadreza, et al. Stabilized Full Depth Reclamation (SFDR) – Evaluation of Two Stabilization Products: BASE ONE® and Engineered Emulsion. Minnesota. Department of Transportation. Local Road Research Board, 2022, Report no. MN 2022-06, ROSA P. https://rosap.ntl.bts.gov/view/dot/66965.
The use of precast prestressed girders with composite precast deck panels along with the use of precast prestressed deck bulb-T girders provide for more economical bridges because of their ability to utilize accelerated bridge construction techniques. The use of concrete deck panels and deck bulb-T systems require the use of closure pours between t
...
Stewart, L. K., Kahn, L., Kurtis, K., & Loreto, G. (2022). Development of GDOT Ultra-High Performance Concrete for Bridge Deck Closure Pours (Report No. FHWA-GA-22-1801). Georgia. Department of Transportation. Office of Performance-Based Management & Research. https://rosap.ntl.bts.gov/view/dot/68404
Stewart, Lauren K, Lawrence Kahn, Kimberly Kurtis, and Giovanni Loreto. Development of GDOT Ultra-High Performance Concrete for Bridge Deck Closure Pours. Report no. FHWA-GA-22-1801. Georgia. Department of Transportation. Office of Performance-Based Management & Research, 2022. https://rosap.ntl.bts.gov/view/dot/68404.
Stewart, Lauren K, et al. Development of GDOT Ultra-High Performance Concrete for Bridge Deck Closure Pours. Georgia. Department of Transportation. Office of Performance-Based Management & Research, 2022, Report no. FHWA-GA-22-1801, ROSA P. https://rosap.ntl.bts.gov/view/dot/68404.
An interactive presentation describing frequently asked questions about Connected and Autonomous Vehicles (CAV). The presentation is divided into five sections: General, Timing/Preparation, Policy/Standardization, Safety, Rural, and Resources.
Marti, M. M., Bitzan, N., MacInnes, B., & Parikh, G. (2022). Connected Autonomous Vehicles: Frequently Asked Questions (Report No. 2022RIC02). Minnesota. Department of Transportation. https://hdl.handle.net/20.500.14153/mndot.3895
Marti, Michael M, Nicole Bitzan, Brooke MacInnes, and Gordon Parikh. Connected Autonomous Vehicles: Frequently Asked Questions. Report no. 2022RIC02. Minnesota. Department of Transportation, 2022. https://hdl.handle.net/20.500.14153/mndot.3895.
Marti, Michael M, et al. Connected Autonomous Vehicles: Frequently Asked Questions. Minnesota. Department of Transportation, 2022, Report no. 2022RIC02, ROSA P. https://hdl.handle.net/20.500.14153/mndot.3895.
During specification meetings between the Louisiana Department of Transportation and Development (DOTD) and asphalt contractors around the state, a concern was raised regarding the payment methods for low-volume roadways. At the time, DOTD was using the “percent within limits” (PWL) model to determine payment for all roadways.
Mayeux, C. R., Salari, S., & Cooper III, S. B. (2022). Feasibility and Performance of Low-Volume Roadway Mixture Design [Tech Summary] (Report No. LTRC Report 663). Louisiana Transportation Research Center. https://rosap.ntl.bts.gov/view/dot/66131
Mayeux, Corey R, Saman Salari, and Samuel B Cooper III. Feasibility and Performance of Low-Volume Roadway Mixture Design [Tech Summary]. Report no. LTRC Report 663. Louisiana Transportation Research Center, 2022. https://rosap.ntl.bts.gov/view/dot/66131.
Mayeux, Corey R, et al. Feasibility and Performance of Low-Volume Roadway Mixture Design [Tech Summary]. Louisiana Transportation Research Center, 2022, Report no. LTRC Report 663, ROSA P. https://rosap.ntl.bts.gov/view/dot/66131.
Digital message signs (DMS) are a vital part of the advanced traveler information systems (ATIS) that disseminate various real-time travel information to the road users, including traffic diversion, travel time, congestion, upcoming roadwork, lane closures, and incidents such as accidents. Other information includes inclement weather, speed regulat
...
Kwigizile, V., Oh, J. S., Van Houten, R., Lee, K., Kwayu, K. M., Abushattal, M., Mwende, S., & Lyimo, S. (2022). Quantifying Effectiveness and Impacts of Digital Message Signs on Traffic Flow (Report No. SPR - 1709). Michigan. Dept. of Transportation. Research Administration. https://rosap.ntl.bts.gov/view/dot/62965
Kwigizile, Valerian, Jun-Seok Oh, Ron Van Houten, Kevin Lee, Keneth Morgan Kwayu, Mousa Abushattal, Sia Mwende, and Sia Lyimo. Quantifying Effectiveness and Impacts of Digital Message Signs on Traffic Flow. Report no. SPR - 1709. Michigan. Dept. of Transportation. Research Administration, 2022. https://rosap.ntl.bts.gov/view/dot/62965.
Kwigizile, Valerian, et al. Quantifying Effectiveness and Impacts of Digital Message Signs on Traffic Flow. Michigan. Dept. of Transportation. Research Administration, 2022, Report no. SPR - 1709, ROSA P. https://rosap.ntl.bts.gov/view/dot/62965.
This four-year study was designed to address the question “can we improve upon standard seed mixes (commercial seed sources used by NMDOT) by including local sources or alternate sources from less frequently used commercially available species or entirely novel species?” Five 1-acre research sites on DOT and private land near the Lordsburg Playa we
...
Gisler, M., & Harris, S. (2022). Native Seed Germplasm Study and Development Project (Report No. R918031). New Mexico. Department of Transportation. Research Bureau. https://rosap.ntl.bts.gov/view/dot/85860
Gisler, Melanie and Scott Harris. Native Seed Germplasm Study and Development Project. Report no. R918031. New Mexico. Department of Transportation. Research Bureau, 2022. https://rosap.ntl.bts.gov/view/dot/85860.
Gisler, Melanie, and Scott Harris Native Seed Germplasm Study and Development Project. New Mexico. Department of Transportation. Research Bureau, 2022, Report no. R918031, ROSA P. https://rosap.ntl.bts.gov/view/dot/85860.
Transportation agencies continue to pursue crash reduction. Initiatives include the design of safer facilities, promotion of safe behaviors, and assessments of collision risk as a precursor to the identification of proactive countermeasures. Collision risk assessment includes reliable prediction of vehicle trajectories. Unfortunately, in using trad
...
Zong, S., Chen, S., Alinizzi, M., & Labi, S. (2022). Leveraging UAV Capabilities for Vehicle Tracking and Collision Risk Assessment at Road Intersections. MDPI. https://doi.org/10.3390/su14074034
Zong, Shuya, Sikai Chen, Majed Alinizzi, and Samuel Labi. Leveraging UAV Capabilities for Vehicle Tracking and Collision Risk Assessment at Road Intersections. MDPI, 2022. https://doi.org/10.3390/su14074034.
Zong, Shuya, et al. Leveraging UAV Capabilities for Vehicle Tracking and Collision Risk Assessment at Road Intersections. MDPI, 2022, ROSA P. https://doi.org/10.3390/su14074034.
Six topics were investigated involving specifications, performance and testing of hot mix asphalt in Connecticut. An investigation into the possible reduction in the number of mix design levels used in CT resulted in a recommendation to eliminate Level 4. An investigation into minimum asphalt contents in CT mixes was halted and commenced under a di
...
Zinke, S., Mahoney, J., Bernier, A., & Jackson, E. D. (2022). Hot Mix Asphalt Research Investigation for Connecticut - Final Report (Report No. CT-2250-F-22-1). Connecticut. Department of Transportation. https://rosap.ntl.bts.gov/view/dot/61086
Zinke, Scott, James Mahoney, Alex Bernier, and Eric D. Jackson. Hot Mix Asphalt Research Investigation for Connecticut - Final Report. Report no. CT-2250-F-22-1. Connecticut. Department of Transportation, 2022. https://rosap.ntl.bts.gov/view/dot/61086.
Zinke, Scott, et al. Hot Mix Asphalt Research Investigation for Connecticut - Final Report. Connecticut. Department of Transportation, 2022, Report no. CT-2250-F-22-1, ROSA P. https://rosap.ntl.bts.gov/view/dot/61086.
This multifaceted planning study addresses risks to MDOT assets associated with high water levels in the Great Lakes, as experienced in 2019 and 2020. The project classifies exposure, vulnerability, and risk for flooding and erosion hazards statewide, focusing on areas hydrologically connected to the Great Lakes. For five priority sites, a conditio
...
Hebebrand, C. K., & Peters, C. S. (2022). Infrastructure Protection and Rehabilitation Response to High Lake Levels (Report No. SPR-1712). Michigan. Dept. of Transportation. Research Administration. https://rosap.ntl.bts.gov/view/dot/62881
Hebebrand, Craig K and Christopher S Peters. Infrastructure Protection and Rehabilitation Response to High Lake Levels. Report no. SPR-1712. Michigan. Dept. of Transportation. Research Administration, 2022. https://rosap.ntl.bts.gov/view/dot/62881.
Hebebrand, Craig K, and Christopher S Peters Infrastructure Protection and Rehabilitation Response to High Lake Levels. Michigan. Dept. of Transportation. Research Administration, 2022, Report no. SPR-1712, ROSA P. https://rosap.ntl.bts.gov/view/dot/62881.
Links with this icon indicate that you are leaving a Bureau of Transportation
Statistics (BTS)/National Transportation Library (NTL)
Web-based service.
Thank you for visiting.
You are about to access a non-government link outside of
the U.S. Department of Transportation's National
Transportation Library.
Please note: While links to Web sites outside of DOT are
offered for your convenience, when you exit DOT Web sites,
Federal privacy policy and Section 508 of the Rehabilitation
Act (accessibility requirements) no longer apply. In
addition, DOT does not attest to the accuracy, relevance,
timeliness or completeness of information provided by linked
sites. Linking to a Web site does not constitute an
endorsement by DOT of the sponsors of the site or the
products presented on the site. For more information, please
view DOT's Web site linking policy.
To get back to the page you were previously viewing, click
your Cancel button.