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.
Goods movement benefits the North Carolina economy by providing firms and consumers with needed materials. The freight sector has long monitored key performance indicators (KPIs) focused around delay and efficiency. This project focused on how monitoring of road safety KPIs could benefit goods movement in North Carolina. We recommend that North Car
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Lyons, T., & McDonald, N. (2020). Safety of the Urban Freight System: Key Performance Indicators (Report No. 2020-36). North Carolina. Department of Transportation. https://rosap.ntl.bts.gov/view/dot/58967
Lyons, Torrey and Noreen McDonald. Safety of the Urban Freight System: Key Performance Indicators. Report no. 2020-36. North Carolina. Department of Transportation, 2020. https://rosap.ntl.bts.gov/view/dot/58967.
Lyons, Torrey, and Noreen McDonald Safety of the Urban Freight System: Key Performance Indicators. North Carolina. Department of Transportation, 2020, Report no. 2020-36, ROSA P. https://rosap.ntl.bts.gov/view/dot/58967.
The objective of this study was to measure public perception of the different planting techniques (block and matrix), which are used at visitor information centers (VICs) and other rights of way (ROW) areas. The main factors that affect public perception of planting techniques were identified through an extensive literature review and qualitative s
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Manoosingh, C., Cubas, F. J., & Purcell, R. C. (2020). Public Response to Different Planting Techniques for Annual Color and Enhancement (Report No. FHWA-GA-21-1731). Georgia. Department of Transportation. Office of Performance-Based Management & Research. https://rosap.ntl.bts.gov/view/dot/58007
Manoosingh, Celine, Francisco J Cubas, and Roger C. Purcell. Public Response to Different Planting Techniques for Annual Color and Enhancement. Report no. FHWA-GA-21-1731. Georgia. Department of Transportation. Office of Performance-Based Management & Research, 2020. https://rosap.ntl.bts.gov/view/dot/58007.
Manoosingh, Celine, et al. Public Response to Different Planting Techniques for Annual Color and Enhancement. Georgia. Department of Transportation. Office of Performance-Based Management & Research, 2020, Report no. FHWA-GA-21-1731, ROSA P. https://rosap.ntl.bts.gov/view/dot/58007.
The Illinois Marine Transportation System (IMTS) is a key component of the nation’s inland waterway system. IMTS is comprised of 27 locks and dams, 19 port districts, more than 350 active terminals, and 1,118 miles of navigable inland waterways traversing along the borderline or within the state of Illinois. However, the infrastructure of IMTS is a
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Sriraj, P. S., Zou, B., Dirks, L., Farazi, N. P., Lewis, E., & Manzanarez, J. P. (2020). Maritime Freight Data Collection Systems and Database To Support Performance Measures and Market Analyses (Report No. FHWA-ICT-20-014). Illinois Center for Transportation. https://doi.org/10.36501/0197-9191/20-021
Sriraj, P S, Bo Zou, Lise Dirks, Nahid Parvez Farazi, Elliott Lewis, and Jean Paul Manzanarez. Maritime Freight Data Collection Systems and Database To Support Performance Measures and Market Analyses. Report no. FHWA-ICT-20-014. Illinois Center for Transportation, 2020. https://doi.org/10.36501/0197-9191/20-021.
Sriraj, P S, et al. Maritime Freight Data Collection Systems and Database To Support Performance Measures and Market Analyses. Illinois Center for Transportation, 2020, Report no. FHWA-ICT-20-014, ROSA P. https://doi.org/10.36501/0197-9191/20-021.
This project studies methods to control both vehicle and traffic under limited penetration of low-level connected and autonomous vehicles (LCAVs). The investigation includes three major parts: (1) the Eco-Driving algorithm for a single CAV with low-level automation; (2) the vehicle in the loop (VIL) simulation platform; and (3) the integrated vehic
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Ban, X. (., Guo, Q., Angah, O., & Liu, Z. (2020). Vehicle-Traffic Control with Limited-Capacity Connected/Automated Vehicles. Connected Cities for Smart Mobility toward Accessible and Resilient Transportation Center (C2SMART). https://rosap.ntl.bts.gov/view/dot/59159
Ban, Xuegang (Jeff), Qiangqiang Guo, Ohay Angah, and Zhijun Liu. Vehicle-Traffic Control with Limited-Capacity Connected/Automated Vehicles. Connected Cities for Smart Mobility toward Accessible and Resilient Transportation Center (C2SMART), 2020. https://rosap.ntl.bts.gov/view/dot/59159.
Ban, Xuegang (Jeff), et al. Vehicle-Traffic Control with Limited-Capacity Connected/Automated Vehicles. Connected Cities for Smart Mobility toward Accessible and Resilient Transportation Center (C2SMART), 2020, ROSA P. https://rosap.ntl.bts.gov/view/dot/59159.
Drainage in Louisiana transportation projects are critical components in pavement infrastructure and are typically addressed using rigid concrete pipes. Plastic pipes include many various polymer-based materials, e.g., high-density polyethylene (HDPE), polyvinyl chloride (PVC), and polypropylene (PP). A long-term track record of rigid concrete pipe
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Jafari, N. H., & Ulloa, H. O. (2020). Literature Search on Use of Flexible Pipes in Highway Engineering for DOTD’s Needs (Report No. FHWA/LA.17/638). Louisiana. Department of Transportation and Development. https://rosap.ntl.bts.gov/view/dot/58341
Jafari, Navid H and H Omar Ulloa. Literature Search on Use of Flexible Pipes in Highway Engineering for DOTD’s Needs. Report no. FHWA/LA.17/638. Louisiana. Department of Transportation and Development, 2020. https://rosap.ntl.bts.gov/view/dot/58341.
Jafari, Navid H, and H Omar Ulloa Literature Search on Use of Flexible Pipes in Highway Engineering for DOTD’s Needs. Louisiana. Department of Transportation and Development, 2020, Report no. FHWA/LA.17/638, ROSA P. https://rosap.ntl.bts.gov/view/dot/58341.
This report presents a study in understanding the impacts of external trends on transportation demand. Two major efforts were carried out in this project: (1) a nationwide survey was conducted to solicit opinions from transportation professionals to evaluate the impacts of various existing and emerging trends on transportation demand, and (2) geo-t
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Jin, X., Alam, M. R., Sadri, A., & Zhang, L. (2020). Identifying and Tracking Emerging Transportation Trends and Indicators. Florida Department of Transportation. https://rosap.ntl.bts.gov/view/dot/56907
Jin, Xia, Md Rakibul Alam, Arif Sadri, and Lu Zhang. Identifying and Tracking Emerging Transportation Trends and Indicators. Florida Department of Transportation, 2020. https://rosap.ntl.bts.gov/view/dot/56907.
Jin, Xia, et al. Identifying and Tracking Emerging Transportation Trends and Indicators. Florida Department of Transportation, 2020, ROSA P. https://rosap.ntl.bts.gov/view/dot/56907.
A transportation agency’s ability to deliver effective winter road maintenance combines three essentials: a professional, knowledgeable staff, including trained snowplow operators; a fleet of high-quality, well-maintained equipment and appropriate supplies; and, perhaps most important and most difficult to consistently acquire, accurate and timely
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CTC & Associates LLC (2020). Resources, Practices and Needs for Weather Forecasting to Facilitate Winter Road Maintenance: Synthesis Report (Report No. CR19-S2). Minnesota. Department of Transportation. Clear Roads Pooled Fund. https://doi.org/10.21949/1523477
CTC & Associates LLC. Resources, Practices and Needs for Weather Forecasting to Facilitate Winter Road Maintenance: Synthesis Report. Report no. CR19-S2. Minnesota. Department of Transportation. Clear Roads Pooled Fund, 2020. https://doi.org/10.21949/1523477.
CTC & Associates LLC Resources, Practices and Needs for Weather Forecasting to Facilitate Winter Road Maintenance: Synthesis Report. Minnesota. Department of Transportation. Clear Roads Pooled Fund, 2020, Report no. CR19-S2, ROSA P. https://doi.org/10.21949/1523477.
On March 30, 2017, the Georgia Legislature passed House Resolution 848 to create a Commission on Transit Governance and Funding. The Commission’s mission is to “study and assess the needs for and means of providing a system of mass transportation…in the state and [identify] potential methods of funding such systems” (HR 848). Currently, the State o
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Garrow, L. A., Dhongde, S., Wolfe, A., & Cunningham, J. (2020). Economic Impact Analysis of Georgia’s Rural and Small Urban Transit Systems, Volume 2 (Report No. FHWA-GA-21-1814). Georgia. Dept. of Transporation. Office of Performance-Based Management and Research. https://rosap.ntl.bts.gov/view/dot/57560
Garrow, Laurie A., Shatakshee Dhongde, Andreas Wolfe, and James Cunningham. Economic Impact Analysis of Georgia’s Rural and Small Urban Transit Systems, Volume 2. Report no. FHWA-GA-21-1814. Georgia. Dept. of Transporation. Office of Performance-Based Management and Research, 2020. https://rosap.ntl.bts.gov/view/dot/57560.
Garrow, Laurie A., et al. Economic Impact Analysis of Georgia’s Rural and Small Urban Transit Systems, Volume 2. Georgia. Dept. of Transporation. Office of Performance-Based Management and Research, 2020, Report no. FHWA-GA-21-1814, ROSA P. https://rosap.ntl.bts.gov/view/dot/57560.
This report examines current legal right of ownership issues arising in right-of-way land acquisition for highway projects crossing navigable waterways. The objective of this report is to help the state and GDOT be better positioned to deliver its program in a timely manner, simplify administrative understandings and efforts between agencies, reduc
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Johnston, K. M., Marshall, J. T., Bass, C. M., Durham, A. V., Garrett, M. K., & Zeisel, C. P. (2020). State and DOT Level Administration of Land Ownership Issues Across Navigable Waterways (Report No. FHW A-GA-21-1919). Georgia. Dept. of Transporation. Office of Performance-Based Management and Research. https://rosap.ntl.bts.gov/view/dot/58472
Johnston, Karen M, John T Marshall, Claire M Bass, Audrone V Durham, Maggie K Garrett, and Chanel P Zeisel. State and DOT Level Administration of Land Ownership Issues Across Navigable Waterways. Report no. FHW A-GA-21-1919. Georgia. Dept. of Transporation. Office of Performance-Based Management and Research, 2020. https://rosap.ntl.bts.gov/view/dot/58472.
Johnston, Karen M, et al. State and DOT Level Administration of Land Ownership Issues Across Navigable Waterways. Georgia. Dept. of Transporation. Office of Performance-Based Management and Research, 2020, Report no. FHW A-GA-21-1919, ROSA P. https://rosap.ntl.bts.gov/view/dot/58472.
The focus placed on pedestrian safety is based on the alarming increase in fatalities in the U.S. in recent years. The 6,283 pedestrian fatalities observed in 2018 was the largest number on record from the previous 28 years. The study of pedestrian behavior and the evaluation of new and innovative pedestrian safety countermeasures are needed to red
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Figueroa-Medina, A. M., Valdes-Diaz, D. M., Colucci-Rios, B., Cardona-Rodriguez, N. N., Bustillo, A., & Chamorro, A. (2020). Study of Gap Acceptance and Walking Speeds of Pedestrians Using Virtual Reality Simulation (Report No. UPR-1-Y3). Safety Research Using Simulation (SAFER-SIM) University Transportation Center. https://doi.org/10.7910/DVN/WU75MR
Figueroa-Medina, Alberto M, Didier M Valdes-Diaz, Benjamin Colucci-Rios, Natacha N Cardona-Rodriguez, Alcibiades Bustillo, and Andres Chamorro. Study of Gap Acceptance and Walking Speeds of Pedestrians Using Virtual Reality Simulation. Report no. UPR-1-Y3. Safety Research Using Simulation (SAFER-SIM) University Transportation Center, 2020. https://doi.org/10.7910/DVN/WU75MR.
Figueroa-Medina, Alberto M, et al. Study of Gap Acceptance and Walking Speeds of Pedestrians Using Virtual Reality Simulation. Safety Research Using Simulation (SAFER-SIM) University Transportation Center, 2020, Report no. UPR-1-Y3, ROSA P. https://doi.org/10.7910/DVN/WU75MR.
Senate Bill (SB) 19-032 required CDOT to conduct a study assessing the feasibility of allowing the transportation of hazardous materials through EJMT and to prepare a study report that includes the findings and recommendations as to whether and under what conditions the transportation of hazmat through the tunnel could be allowed.
Dix, A., English, G., Floyd, M. K., Guevara, B., Heger, O., King, S., Kohl, B., Martinez, A., Salamon, M., Stacey, C., & Williams, C. (2020). Transportation of Hazardous Materials Through Eisenhower-Edwin C Johnson Memorial Tunnel – Study (Executive Summary Only) (Report No. CDOT-2020-15). Colorado. Dept. of Transportation. Applied Research and Innovation Branch. https://rosap.ntl.bts.gov/view/dot/88624
Dix, Arnold, Gary English, Mary Keith Floyd, Bernie Guevara, Oliver Heger, Stephanie King, and Bernhard Kohl, et al.. Transportation of Hazardous Materials Through Eisenhower-Edwin C Johnson Memorial Tunnel – Study (Executive Summary Only). Report no. CDOT-2020-15. Colorado. Dept. of Transportation. Applied Research and Innovation Branch, 2020. https://rosap.ntl.bts.gov/view/dot/88624.
Dix, Arnold, et al. Transportation of Hazardous Materials Through Eisenhower-Edwin C Johnson Memorial Tunnel – Study (Executive Summary Only). Colorado. Dept. of Transportation. Applied Research and Innovation Branch, 2020, Report no. CDOT-2020-15, ROSA P. https://rosap.ntl.bts.gov/view/dot/88624.
This document is intended to function as an example of the use of soils data and methods required to implement the Green and Ampt methodology within the state of Nevada. An example hydrologic watershed model was supplied by Nevada Department of Transportation (NDOT). The hydrologic model used the Natural Resources Conservation Service (NRCS) curve
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JE Fuller Hydrology & Geomorphology, Inc. (2020). Modernize Hydrologic Prediction Processes by Creating Custom Statewide SSURGO Green and Ampt Parameter Database Task 1: Hydrologic Methodology Assessment (Report No. P674-19-803). Nevada. Dept. of Transportation. https://rosap.ntl.bts.gov/view/dot/64314
JE Fuller Hydrology & Geomorphology, Inc.. Modernize Hydrologic Prediction Processes by Creating Custom Statewide SSURGO Green and Ampt Parameter Database Task 1: Hydrologic Methodology Assessment. Report no. P674-19-803. Nevada. Dept. of Transportation, 2020. https://rosap.ntl.bts.gov/view/dot/64314.
JE Fuller Hydrology & Geomorphology, Inc. Modernize Hydrologic Prediction Processes by Creating Custom Statewide SSURGO Green and Ampt Parameter Database Task 1: Hydrologic Methodology Assessment. Nevada. Dept. of Transportation, 2020, Report no. P674-19-803, ROSA P. https://rosap.ntl.bts.gov/view/dot/64314.
This project began an investigation into whether it is possible to create a useful microwave communications link across the Gulf of Mexico in order to link the linear Florida Department of Transportation networks in the Florida Keys and Florida Panhandle, creating network redundancy for the first time for both segments. The work in this project has
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Kopp, B. (2020). Long Distance Wireless Radio Frequency Link for the ITS Statewide Network. Florida. Department of Transportation. https://rosap.ntl.bts.gov/view/dot/60111
Kopp, Brian. Long Distance Wireless Radio Frequency Link for the ITS Statewide Network. Florida. Department of Transportation, 2020. https://rosap.ntl.bts.gov/view/dot/60111.
Kopp, Brian Long Distance Wireless Radio Frequency Link for the ITS Statewide Network. Florida. Department of Transportation, 2020, ROSA P. https://rosap.ntl.bts.gov/view/dot/60111.
As one of critical components of a transportation infrastructure system, bridges are very important to a country’s economy because they provide passage over physical obstacles to substantially reduce travel time and travel cost. Similar to other types of transportation infrastructure, bridges deteriorate over time. Therefore, bridges should be rout
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Zhang, S., Baros, S. V., & Halter, S. B. (2020). Bridge Deck Inspection Using Small Unmanned Aircraft Systems Based Airborne Imaging Techniques (Report No. 19STUNM04). Transportation Consortium of South-Central States. https://doi.org/10.5281/zenodo.4925451
Zhang, Su, Shirley V Baros, and Susan Bogus Halter. Bridge Deck Inspection Using Small Unmanned Aircraft Systems Based Airborne Imaging Techniques. Report no. 19STUNM04. Transportation Consortium of South-Central States, 2020. https://doi.org/10.5281/zenodo.4925451.
Zhang, Su, et al. Bridge Deck Inspection Using Small Unmanned Aircraft Systems Based Airborne Imaging Techniques. Transportation Consortium of South-Central States, 2020, Report no. 19STUNM04, ROSA P. https://doi.org/10.5281/zenodo.4925451.
In general, research funding departs from short-term objectives if the research results are not implementable. Planned and documented technology transfer efforts work to incorporate research findings and evidence-based interventions into real life. However, many research studies in different areas and fields were completed successfully without a re
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Sadek, H., Hassan, M., Zaremotekhases, F., & Mousa, M. R. (2020). Synthesis on Documentation and Tracking Research Implementation (Report No. FHWA/LA.17/625). Louisiana. Department of Transportation and Development. https://rosap.ntl.bts.gov/view/dot/58356
Sadek, Husam, Marwa Hassan, Farah Zaremotekhases, and Momen R Mousa. Synthesis on Documentation and Tracking Research Implementation. Report no. FHWA/LA.17/625. Louisiana. Department of Transportation and Development, 2020. https://rosap.ntl.bts.gov/view/dot/58356.
Sadek, Husam, et al. Synthesis on Documentation and Tracking Research Implementation. Louisiana. Department of Transportation and Development, 2020, Report no. FHWA/LA.17/625, ROSA P. https://rosap.ntl.bts.gov/view/dot/58356.
The used car market is a critical element for the mass adoption of electric vehicles (EVs). However, most previous studies on EV adoption have focused only on new car markets. This article examines and compares the effects of charging infrastructure characteristics on the preferences for EVs among both new and used car buyers. This study is based o
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Zou, T., Khaloei, M., & MacKenzie, D. (2020). Effects of Charging Infrastructure Characteristics on Electric Vehicle Preferences of New and Used Car Buyers in the United States. SAGE Publications. https://doi.org/10.1177/0361198120952792
Zou, Tianqi, Moein Khaloei, and Don MacKenzie. Effects of Charging Infrastructure Characteristics on Electric Vehicle Preferences of New and Used Car Buyers in the United States. SAGE Publications, 2020. https://doi.org/10.1177/0361198120952792.
Zou, Tianqi, et al. Effects of Charging Infrastructure Characteristics on Electric Vehicle Preferences of New and Used Car Buyers in the United States. SAGE Publications, 2020, ROSA P. https://doi.org/10.1177/0361198120952792.
Technology advancements in the past two decades have made the human-vehicle connection stronger than ever. Since 2009 there has been a boom in the development of autonomous vehicles (AVs) as an increasing number of manufacturers have begun to see immense potential in this area of artificial intelligence (AI). While the private sector is racing forw
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Knodler, M. A., Fitzpatrick, C. D., Pradhan, A., Samuel, S., Tainter, F., & Mangalore, G. P. (2020). Minimum Time to Situational Awareness During Transfer of Control Under Varying Levels of Task Load (Report No. UM-3-Y2). Safety Research Using Simulation (SAFER-SIM) University Transportation Center. https://rosap.ntl.bts.gov/view/dot/57425
Knodler, Michael A., Cole D. Fitzpatrick, Anuj Pradhan, Siby Samuel, Francis Tainter, and Ganesh Pai Mangalore. Minimum Time to Situational Awareness During Transfer of Control Under Varying Levels of Task Load. Report no. UM-3-Y2. Safety Research Using Simulation (SAFER-SIM) University Transportation Center, 2020. https://rosap.ntl.bts.gov/view/dot/57425.
Knodler, Michael A., et al. Minimum Time to Situational Awareness During Transfer of Control Under Varying Levels of Task Load. Safety Research Using Simulation (SAFER-SIM) University Transportation Center, 2020, Report no. UM-3-Y2, ROSA P. https://rosap.ntl.bts.gov/view/dot/57425.
The purpose of the tests reported herein was to assess the performance of the Texas Department of Transportation’s (TxDOT’s) shallow anchorage single slope traffic rail (SSTR) according to the safety-performance evaluation guidelines included in the American Association of State Highway and Transportation Officials (AASHTO) Manual for Assessing Saf
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Moran, S. M., Bligh, R. P., Menges, W. L., Schroeder, W., & Kuhn, D. L. (2020). MASH Test 4-12 of Shallow Anchorage Single Slope Traffic Rail (SSTR) (Report No. FHWA/TX-21/0-6968-R10, 0-6968-R10). Texas A&M Transportation Institute. https://rosap.ntl.bts.gov/view/dot/59047
Moran, Sana M, Roger P. Bligh, Wanda L. Menges, William Schroeder, and Darrell L. Kuhn. MASH Test 4-12 of Shallow Anchorage Single Slope Traffic Rail (SSTR). Report no. FHWA/TX-21/0-6968-R10, 0-6968-R10. Texas A&M Transportation Institute, 2020. https://rosap.ntl.bts.gov/view/dot/59047.
Moran, Sana M, et al. MASH Test 4-12 of Shallow Anchorage Single Slope Traffic Rail (SSTR). Texas A&M Transportation Institute, 2020, Report no. FHWA/TX-21/0-6968-R10, 0-6968-R10, ROSA P. https://rosap.ntl.bts.gov/view/dot/59047.
The objective of this project was to develop structurally independent foundations for TxDOT’s 36-inch tall single slope traffic rail (SSTR). The barrier and foundation systems were required to meet AASHTO MASH Test Level 4 (TL-4) criteria, and require minimal maintenance after a design impact. Foundation designs were needed for two common field ins
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Sheikh, N. M., Bligh, R. P., Kovar, J. C., Cakalli, S., Menges, W. L., Schroeder, G. E., & Kuhn, D. L. (2020). Development of Structurally Independent Foundations for 36-inch Tall Single Slope Traffic Rail (SSTR) for MASH TL-4 (Report No. FHWA/TX-19/0-6968-R7). Texas A&M Transportation Institute. https://rosap.ntl.bts.gov/view/dot/66042
Sheikh, Nauman M., Roger P. Bligh, James C. Kovar, Sofokli Cakalli, Wanda L. Menges, Glenn E. Schroeder, and Darrell L. Kuhn. Development of Structurally Independent Foundations for 36-inch Tall Single Slope Traffic Rail (SSTR) for MASH TL-4. Report no. FHWA/TX-19/0-6968-R7. Texas A&M Transportation Institute, 2020. https://rosap.ntl.bts.gov/view/dot/66042.
Sheikh, Nauman M., et al. Development of Structurally Independent Foundations for 36-inch Tall Single Slope Traffic Rail (SSTR) for MASH TL-4. Texas A&M Transportation Institute, 2020, Report no. FHWA/TX-19/0-6968-R7, ROSA P. https://rosap.ntl.bts.gov/view/dot/66042.
This study aimed at evaluating the performance-related properties (e.g., resilient modulus and permanent deformation) of cementitious treated/stabilized subgrade soils under repeated loading test conditions. For this purpose, both laboratory and field testing programs were performed on treated/stabilized specimens/test sections. The laboratory test
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Abu-Farsakh, M., Ardah, A., & Chen, Q. (2020). In-situ Evaluation of Design Parameters and Procedures for Cementitiously Treated Weak Subgrades using Cyclic Plate Load Tests (Report No. FHWA/LA.17/627). Louisiana. Department of Transportation and Development. https://rosap.ntl.bts.gov/view/dot/58438
Abu-Farsakh, Murad, Allam Ardah, and Qiming Chen. In-situ Evaluation of Design Parameters and Procedures for Cementitiously Treated Weak Subgrades using Cyclic Plate Load Tests. Report no. FHWA/LA.17/627. Louisiana. Department of Transportation and Development, 2020. https://rosap.ntl.bts.gov/view/dot/58438.
Abu-Farsakh, Murad, et al. In-situ Evaluation of Design Parameters and Procedures for Cementitiously Treated Weak Subgrades using Cyclic Plate Load Tests. Louisiana. Department of Transportation and Development, 2020, Report no. FHWA/LA.17/627, ROSA P. https://rosap.ntl.bts.gov/view/dot/58438.
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